Opto 22

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Email: sales@opto22.com

Most automation companies like to hide their problems. We don't. We think you should know about any product issues and how to work around them, and find out as soon as they're fixed.

That's why we provide this OptoKnowledgeBase to our customers. Opto 22 Product Support and Engineering use it to track issues and get them resolved quickly; you can use it to troubleshoot any issues you have, even before you call us.

And remember, Opto 22 Product Support from knowledgeable engineers in our California headquarters is always FREE.
Free support, open standards, and straight talk. That's how we do business.

You can search the Opto 22 KnowledgeBase by article number, by keywords in the article’s title or text, or by product.
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Article #TitleRevisionReviewed
KB87351OptoDataLink: "Database INSERT transaction failed/Number of values and fields not the same" when Single Sample option isn't selected 1.05/17/2018
KB87333OptoDataLink: Beta version B9.6d Build 0010 may duplicate records1.05/17/2018
KB87317PAC Display On/Off (discrete) button may not blink1.05/17/2018
KB87311PAC Display Runtime crashes if Enable Alarm Point EMail option is selected but email settings are not configured1.05/17/2018
KB87305PAC Display Runtime crashes when opening a project that has a string table tag with no index1.05/17/2018
KB87297PAC Display may continue to log files in Directory Path "Name" after the path has been changed to "project directory"1.05/17/2018
KB87293PAC Display Runtime: SuperTrend scale may not match pen selection1.05/17/2018
KB87384Kiosk accounts are logged out after 2 weeks even though the "Do not expire" option is checked1.05/11/2018
KB87386groov View system log may show missing values for control engine errors1.05/11/2018
KB87274Events do not work if the groov View project has run with no tags configured1.05/11/2018
KB87320Gadgets may be very slow to receive updates in groov View R3.5a or R3.5b1.05/4/2018
KB87299groov View displays Unicode escape sequence instead of the correct character1.05/4/2018
KB87151Video gadget may be updated at a rate different from the update period.1.05/3/2018
KB87213Some newer SNAP PAC controllers and brains MUST use PAC firmware R9.5g or higher1.04/11/2018
KB87292PAC Display Configurator does not save configured recipe directories if they are entered manually 1.04/2/2018
KB87155groov: Node-RED flows are inactive (won't run); Node-RED status is "Errored" 1.03/28/2018
KB86029OptoDataLink stops processing links; error log shows "Error in link... Reason 0x800706BA"1.03/27/2018
KB87280PAC Display: "Error while reading window" message when upgrading from PAC Display R9.3d or lower1.03/27/2018
KB85958PAC Manager Status Write function does not store SNAP-SCM-CAN2B module configuration to flash1.03/20/2018
KB87269Opto 22 groov Data Store Node-RED nodes do not work1.03/20/2018
KB87200OptoDataLink: Selecting "Send Unique Id" without selecting "Single Sample" fails on Access databases1.03/14/2018
KB86907groov View for Android times out on Nougat and Oreo OSs1.03/14/2018
KB87021groov View mobile app doesn't automatically log in, even though username and password are configured in connection settings1.03/14/2018
KB87035Creating an Archive Project may cause PAC Display Configurator to crash1.03/14/2018
KB87108PAC Display Configurator may crash if you delete an alarm point in an alarm graphic1.03/14/2018
KB87100Opto aPAC may not list points when using a SNAP PAC S-series controller1.03/14/2018
KB87101Opto iPAC may list digital points configured on S-series controllers as analog input (indirect)1.03/13/2018
KB87227PAC Display Runtime: Values in table control may not update correctly after recipe downloads1.03/13/2018
KB87243Saving a project may cause PAC Display Configurator Pro to hang if Primary Scanner Node field is blank1.03/13/2018
KB87154Controller may become unresponsive or reset when two charts use the same communication handle in a subroutine at the same time2.03/13/2018
KB87004In redundant systems, the "I/O Unit Ready?" condition always evaluates as False2.03/13/2018
KB87240PAC Control reports "Invalid storage format" when opening a strategy on Dropbox1.03/8/2018
KB87235Windows Fast Startup (Fast Boot) can cause issues with PAC Display, OptoOPCServer, OptoDataLink, and SoftPAC1.03/6/2018
KB87205PAC Display Runtime: When you edit a value in a table, sometimes the wrong element is changed1.03/5/2018
KB87208PAC Display Runtime: Can't edit some of the values in a table object1.03/5/2018
KB87214PAC Display Configurator may crash when upgrading from R9.0c or lower to R9.4a or higher1.03/5/2018
KB87216PAC Display Runtime Pro may display values as # or may stop updating tags1.03/5/2018
KB87221"Allow Multiple Instances to Run": Closing PAC Display Runtime Pro may also close another instance1.03/5/2018
KB87145groov View forces you to change your password every time you log in2.02/23/2018
KB87136groov View fails to launch and recommends installing "groov version null"2.02/23/2018
KB87051groov View: OPC-UA device tags aren't in alphabetical order2.02/23/2018
KB86890groov View: Numbers greater than 999 are missing commas in Trends2.02/23/2018
KB86714groov View pages with over 100 gadgets may be slow to load and update2.02/23/2018
KB86542groov  View: Page menu items are greyed out after About page is displayed2.02/23/2018
KB86009"groov Box or Server cannot be reached" when groov  View page uses tags from device configured with IPv6 address 2.02/23/2018
KB85792Unable to hide groov  logo on the groov  View login page2.02/23/2018
KB86765groov View: Trend gadget displays yellow triangle; information box reports a "groov Box or Server cannot be reached" message2.02/22/2018
KB87190Alarm > Priority Filter levels are always visible on the PAC Display Runtime menu bar2.02/19/2018
KB87188PAC Display Runtime may hang or crash when opening a project with many JPEG graphics and alarms on the same window2.02/19/2018
KB87141PAC Display Runtime: Instead of alarm point information, printed alarm logs show the characters: *.*s 2.02/19/2018
KB87134PAC Display Runtime: Recipe uploads can take increasingly more time to complete2.02/19/2018
KB87130PAC Display: "Text > Size..." command doesn't change the font size of a TrueType font 2.02/19/2018
KB87126PAC Display: A window's size and position doesn't change when you reconfigure the X-Y positions, width, or height2.02/19/2018
KB87119PAC Display Runtime may crash during startup when performing Reload History Alarms2.02/19/2018
KB87117PAC Display Runtime: Detailed alarm graphic incorrectly shows "warning" color and persistence timer when alarm point is not in a state with persistence2.02/19/2018
KB87112PAC Display Runtime: Detailed alarm window displays multiple persistence alarms for the same alarm point (and operator can't acknowledge them)2.02/19/2018
KB87111PAC Display alarm window may not open for subsequent alarms2.02/19/2018
KB87110Configurator may distort SuperTrend graphics if you change window properties many times2.02/19/2018
KB87109PAC Display: Configuring a window's Minimize, Maximize, and Restore control handles doesn't always work2.02/19/2018
KB87107PAC Display: New window appears behind (and may capture graphics of) changed window2.02/19/2018
KB87082PAC Display Configurator incorrectly identifies blank entries in recipe download files as "invalid"2.02/19/2018
KB87106PAC Display Configurator: Sometimes Find and Replace does not display drop-down options for Item Name2.02/19/2018
KB87081PAC Display Runtime Pro: A PID's SuperTrend Pen Scale dialog box may reopen after you close it2.02/19/2018
KB87077PAC Display Configurator: Quick Tag selector doesn't show options for dynamic attributes with Fields2.02/19/2018
KB87078Browser Configurator: E1 and E2 brains read and write to the wrong points2.02/16/2018
KB87065PAC Control: Values in pasted blocks may be incorrect 1.02/5/2018
KB87135Cannot connect to Node-RED, Ignition Edge, or groov View on GROOV-AR12.01/18/2018
KB87139GROOV-AR1 SYS LED continuously blinks green after powerup, and will not communicate2.01/18/2018
KB87059Controller may reset when activity through PAC REST API is high2.01/2/2018
KB86980In redundant systems, controller resets itself when initializing a SNAP-AIMA-iH or SNAP-AOA-23-iH module2.01/2/2018
KB86945groov View pages show a scroll bar when there's nothing to scroll to2.012/27/2017
KB86866Invalid trend configuration can crash groov View2.012/27/2017
KB87080SendEmail and SendEmail With Attachments commands may result in -2104 status code4.012/7/2017
KB87061groov App sometimes incorrectly reports that the project was created in a newer version2.012/4/2017
KB87066PAC Control: "Undefined command" error when downloading strategy2.011/22/2017
KB87056PAC Display Runtime: Buttons are missing from the bottom of historical SuperTrends2.011/15/2017
KB87053groov Admin update v47 fails (or Ignition Edge Status "is in an unknown state")2.011/15/2017
KB87050PAC Display Pro: If Operator log is saved to database, can't switch to saving log to file 2.011/9/2017
KB87044PAC Control: "Start strategy after download completes" option may not always work2.011/6/2017
KB86987PAC Display: Index column and column titles are missing from table2.011/6/2017
KB87000PAC Display Configurator crashes when canceling the import of a comma-delimited Historical data log2.011/6/2017
KB87006PAC Display Configurator may crash when you repeat an undo (or redo) after changing window properties2.011/6/2017
KB87008PAC Display Runtime may stop refreshing values2.011/6/2017
KB87022PAC Display Runtime: Active alarm may not appear in Detailed Alarm Banner2.011/6/2017
KB87033PAC Display Runtime doesn't create Historical data log from imported comma-delimited file2.011/6/2017
KB86995PAC Display: "Open when there are new alarms" option doesn't work in Runtime2.011/3/2017
KB86983PAC Control Debug Mode: Can't clear TPO Period and TPO Percent values2.011/3/2017
KB86967PAC Control: Table data appears to be blank when you scroll using the mouse scroll wheel2.011/3/2017
KB87029Upgrading groov Admin to newer version may fail with "Cannot Downgrade Groov Admin"1.010/30/2017
KB86994groov Admin update fails if file is renamed2.010/17/2017
KB87010SoftPAC: Startup logic doesn't run, I/O isn't enabled, and Message Queue displays I/O errors1.010/16/2017
KB86978PAC Display Configurator may crash if you don't save changes to an existing project, and then immediately undo edits in a new project2.09/29/2017
KB86959mistic and SB-series serial brains go offline when used on the same serial port2.09/26/2017
KB86979groov View reports errors for SNAP PAC controllers, but controllers look fine in PAC Control2.09/25/2017
KB86971In groov, events stop updating and sending notifications2.09/25/2017
KB86972groov log viewer "Advanced Configuration" settings don't take effect immediately2.09/25/2017
KB83288groov: Image gadget doesn't display recent changes to image file1.09/20/2017
KB86279When tag list is very long, Opto aPAC may not precisely alphabetize all tags1.09/20/2017
KB86921groov: Event's status is Inactive when the event is Active (still in debounce period)2.09/20/2017
KB86862Events that use OPC-UA tags don't work after groov restarts2.09/20/2017
KB86067"Listen for Incoming Communication" command can't be used with SSL 1.09/20/2017
KB85959SoftPAC: SSL isn't available in Comm Handles1.09/20/2017
KB86532PAC Project Demo installer hangs if PAC Project is already installed1.09/19/2017
KB86926Implicit EtherNet/IP messages contain 0 for attributes of some analog modules2.09/19/2017
KB86642.NET OptoMMP SDK ignores user-specified communication timeout values1.09/18/2017
KB86833PAC Display Runtime Operator can access controls on a popup window before logging in2.09/18/2017
KB86922PAC Display Runtime terminates on start up when project has several SuperTrends2.09/18/2017
KB86964Network connections may be lost when PAC Display Runtime is running2.09/18/2017
KB86878PAC Display Configurator won't open the "De-encrypt Operator Log File" feature2.09/18/2017
KB86961PAC Display: "-copy" is missing from the names of imported alarm points2.09/18/2017
KB86956PAC Display Configurator may crash when you close the Send Value dialog box2.09/18/2017
KB86947Values in PAC Display Runtime aren't updated while Runtime window is minimized3.09/18/2017
KB86869PAC Display can't open user's guide ("Unable to determine the default PDF file viewer")2.08/29/2017
KB86879PAC Display: Decrypting Runtime Operator Log file displays an "Operator Log File is invalid" message2.08/28/2017
KB86885PAC Display Runtime may crash when acknowledging alarms configured with sound2.08/28/2017
KB86886PAC Display Runtime crashes when displaying a historical alarm log file with both ANSI and Unicode records2.08/28/2017
KB86887PAC Display Configurator: Discrete On/Off text (Text In from Control Engine) is blank2.08/28/2017
KB86889On Windows 7 only, PAC Display Runtime crashes if sent an empty string 2.08/28/2017
KB86895PAC Display Runtime: Comments for ACK alarms aren't displayed in Current or Historical Alarm graphics2.08/28/2017
KB86910OptoScript Editor loses color coding after uninstalling previous version of PAC Project1.08/28/2017
KB86918PAC Display may display wrong background color for SuperTrends2.08/28/2017
KB86898PAC Display Runtime may crash on exit if windows contain alarm graphics2.08/28/2017
KB86863SNAP PAC RESTful API intermittently fails to read data1.08/1/2017
KB86825Redundant systems may log -539, -29, or -534 errors to the controller's Message Queue2.08/1/2017
KB86390Read Numeric Table From I/O Unit Memory Map: Elements 300–599 are a duplicate of
elements 0–299
KB86038RESTful API stops working if the control engine's default host port is turned off or is changed from 22001 2.08/1/2017
KB86046The RESTful API may return an error code in response to a valid request2.08/1/2017
KB86171RESTful API and FTP interfaces may stop responding (Other firmware functions may be affected)2.08/1/2017
KB86259SNAP PAC RESTful API: The value in a 1-element table may be returned as a key-value pair instead of as an array2.08/1/2017
KB86799SNAP PAC RESTful API: Controller resets if you write one or more spaces (instead of a JSON payload) to a variable 2.08/1/2017
KB86630Examining a local pointer within a subroutine causes hardware controllers to reset and software controllers to log an error2.08/1/2017
KB86047SNAP PAC RESTful API: Invalid request returns unexpected results and doesn't give an error code2.08/1/2017
KB86791SNAP PAC Redundancy Kit: Redundant controllers switch continuously and report "impaired" I/O unit2.08/1/2017
KB86081Using a string or negative value for the table index in a RESTful request returns the whole table2.07/31/2017
KB85826RESTful API returns an analog point's value even though the wrong request is sent2.07/31/2017
KB85823RESTful API: Out-of-range float values appear as 0 or "inf" instead of returning an error2.07/31/2017
KB85814RESTful API: POSTing to a GET-only endpoint acts like a GET2.07/31/2017
KB84981UDP comm handles may lose data when packets are too large or sent too quickly1.07/28/2017
KB80082UDP responses may contain characters from more than one UDP message2.07/26/2017
KB86480PAC Display: Exponential values are displayed with 3 digits in the exponent (instead of 2) 1.07/19/2017
KB85795Host Task stops processing commands if you stop strategy while in Debug mode2.07/10/2017
KB85736groov erratically displays yellow triangle with exclamation point (communication timeout)2.07/10/2017
KB86851PAC Control Command-Line Interface (CLI) may display the "You are about to open a strategy" warning2.07/7/2017
KB86852PAC Control: Cannot add E1 or E2 or SNAP-PAC-R1-B to a strategy with controller redundancy2.07/6/2017
KB86776PAC Display Runtime Error: Server failed to add group TempGroup to OPC Server Reason: 0xc004000c2.06/30/2017
KB86786PAC Display Configurator crashes when importing a comma-delimited (.csv) file2.06/30/2017
KB86788PAC Display Configurator crashes when importing a historical data log (.hle) file2.06/30/2017
KB86789PAC Display may crash when you try to replace a control engine using the Entire Project option2.06/30/2017
KB86804PAC Display may crash when projects with transparent text are open for a long time2.06/30/2017
KB86830PAC Display Configurator may crash when opening a recipe file that isn't properly formatted2.06/30/2017
KB86749PAC Display Pro: Sometimes the secondary scanner field should be blank (but it's not)2.06/30/2017
KB86752PAC Display: Graphic objects may not be updated when their window is larger than the primary monitor2.06/29/2017
KB86753PAC Display Pro: Clicking an unconfigured PID button may cause Runtime to crash2.06/29/2017
KB86758When saving a large project, PAC Display Configurator and Windows may become unresponsive 2.06/29/2017
KB86741PAC Display Runtime Professional sometimes fails to start2.06/28/2017
KB86743After a reboot, sometimes OptoDataLink stops sending data to the control engine2.06/28/2017
KB86739PAC Display Configurator Pro may hang or crash when you replace the configured control engine2.06/26/2017
KB86722PAC Display Runtime: Animated graphics sometimes flicker6.06/26/2017
KB86710When a project is running, PAC Display Runtime may crash if you try to open another project2.06/26/2017
KB86654PAC Display Runtime crashes when opening a SuperTrend historical log file2.06/26/2017
KB86342PAC Display: Convert SuperTrend Files dialog box doesn't list files with five-character file extensions2.06/26/2017
KB86775groov may fail to close network sockets on Modbus connection errors1.06/1/2017
KB86774groov may not correctly restrict access to unregistered devices1.06/1/2017
KB86520Kiosk and Operator users cannot download groov trend data2.04/25/2017
KB86472groov Button gadgets don't report disconnected errors2.04/25/2017
KB86466In groov Build, gadgets don't reflect deleted or changed Modbus tags until you refresh2.04/25/2017
KB86453Internet Explorer does not show certain icons and does not allow dropdown lists to open2.04/25/2017
KB86682PAC Display Configurator: Issues with dynamic attributes for charts 2.04/19/2017
KB86663Email notification isn't sent for alarm points monitoring controller status2.04/19/2017
KB86650When Runtime opens, windows may not be open or closed (as they were configured) 3.04/19/2017
KB86685PAC Display Runtime: In single monitor environments, dialog boxes don't open in the default location2.04/19/2017
KB86622PAC Display Runtime Professional shuts down when a PID button is clicked2.04/19/2017
KB86673Logging to a database, PAC Display Runtime Pro writes Integer 64 historical log data in an X,Y format2.04/18/2017
KB86646PAC Display: Unable to apply transparency to .JPG images 2.04/18/2017
KB86632Unable to reopen PAC Display Runtime Professional2.04/18/2017
KB86645After updating PAC Display, layered PNG images may be incorrectly resized2.04/18/2017
KB86641PAC Display window may not open in Runtime when there are new alarms2.04/18/2017
KB86637PAC Display Runtime: Can't close window containing alarms (even though none are active)2.04/18/2017
KB86640OptoDataLink doesn't write Int64 values to database2.04/17/2017
KB86565Performance issue when looping on "Accept Incoming Communication" command without an available connection2.04/12/2017
KB86656Node-RED backups done in groov Admin cannot be restored1.04/7/2017
KB85373SoftPAC: Unable to open UDP communication handle (-437 error)2.04/7/2017
KB84980SoftPAC: UDP broadcast fails with -444 error message2.04/7/2017
KB84890The condition "I/O Unit Ready?" puts errors in the message queue2.04/7/2017
KB86572"get.src" and "get.scrport" Comm handle commands may return incorrect data when using UDP2.04/6/2017
KB86644SNAP PAC HTTPS server occasionally misses a request2.04/6/2017
KB86531Restoring groov project may not restore groov Box hostname2.04/6/2017
KB86631Analog output points reset to low scale or zero-equivalent; counts increase for Module Times Discovered and Arcnet Reconfigs1.03/27/2017
KB86624SNAP mechanical power relay and reed relay output modules may turn On when they should be Off 1.03/27/2017
KB86623Can't read or write to analog points when there is an open comm handle to a missing serial communication module1.03/27/2017
KB84884PAC Control: Undefined Command error on download2.03/23/2017
KB86413POSTs to the SNAP PAC REST API may fail1.03/14/2017
KB86610PAC Display Configurator may resize windows to be smaller than configured2.03/7/2017
KB86609PAC Display Runtime may crash when loading a project that creates historical logs from table data2.03/7/2017
KB86584For some modules on a G4EB2, EtherNet/IP Configurator may incorrectly configure TPO and Pulsed Output2.03/7/2017
KB86583PAC Display Runtime may crash if labels are set to display Integer 64 values as binary2.03/7/2017
KB86585After clicking a button, PAC Display doesn't always respond to the next object you click2.03/2/2017
KB86580PAC Control: Analog points higher than the 4th point on a SNAP-PAC-R1-B I/O unit show incorrect values2.03/2/2017
KB86569SoftPAC fails to start because ControllerDefs.dll and IOSNIF.dll are missing1.03/1/2017
KB86434SNAP PAC REST API: Controller should display a message after an SSL certificate is updated1.02/27/2017
KB86579PAC Display Runtime: Alarms may not appear in Detailed or Summary alarm graphics2.02/27/2017
KB86578PAC Display Runtime: Alarm information may disappear from alarm graphics2.02/27/2017
KB86512SNAP-SCM-CAN2B buffer overruns may occur at baud rates higher than 250 kbps1.02/23/2017
KB86500groov Data Store API may respond with 500 Internal Server Error when reading a table tag2.02/23/2017
KB86553groov Data Store may allow writes after trial period has expired2.02/23/2017
KB86499groov Data Store API responds incorrectly when tag is nonexistent or out of bounds2.02/23/2017
KB86576Command Line Interface (CLI): Timers should be initialized as "Run"2.02/23/2017
KB86552For some modules on a G4EB2, PAC Manager may incorrectly configure TPO and Pulsed Output2.02/21/2017
KB86549On networks without a DHCP server, PAC Manager may be unable to assign IP addresses to E1 and E2 brains2.02/21/2017
KB86547PAC Manager correctly configures only the first module on E1 and E2 brains2.02/21/2017
KB86551Runtime may crash when logging Integer 64 values as binary in Historical Logs2.02/21/2017
KB86550Resized bitmaps may appear partially transparent in PAC Display Runtime2.02/21/2017
KB86545PAC Display Configurator: Operator Driven Windows attribute may not show all configured windows2.02/21/2017
KB86544PAC Display: The Toolbox doesn't follow the rules configured for multi-monitor environments2.02/21/2017
KB86511PAC Display reports ioControl/Factory Floor controllers' status as a comm failure2.02/21/2017
KB86186mistic PID values set from the Debugger Inspect dialog box are overwritten if the scan rate is changed1.02/21/2017
KB86562PAC Display: Using mouse wheel causes table contents to roll out of table frame2.02/20/2017
KB86541PAC Display Runtime: Clicking a stack of windows may produce unexpected results2.02/20/2017
KB86539When you close Monitor-Only Runtime, it opens again (with no project loaded)2.02/20/2017
KB86508PAC Display Runtime doesn't display content from a groov web page2.02/20/2017
KB86540Node-RED Admin in GROOV-AR1: cannot upload SSL certificates with Firefox1.02/13/2017
KB86546groov Data Store API reports incorrect errors after free trial expiration2.02/13/2017
KB86516Pamux Systems SDK: Windows Error "A digitally signed driver is required"1.02/8/2017
KB86515PC-Based Direct I/O SDK: Windows Error "A digitally signed driver is required"1.02/8/2017
KB86487Cannot control or configure I/O points with 32-bit PC-Based Direct I/O SDK1.02/8/2017
KB86382Error in groov Build when importing Modbus tags containing Unicode characters2.01/26/2017
KB86467groov Server for Windows self-signed certificates do not match the host1.01/26/2017
KB86464Using groov with Internet Explorer may cause browser to slow down or become unresponsive1.01/25/2017
KB86462Re-sizing groov View browser window causes trend filters to lose their settings1.01/25/2017
KB86456In groov, invalid .idb.txt file causes controller name and tags to disappear1.01/25/2017
KB86438In groov, changing a user's password does not log them out2.01/25/2017
KB86416groov projects with many gadgets may make groov slow to start up2.01/25/2017
KB86343In groov Admin, wireless access point security setup allows incorrect password length1.01/25/2017
KB86503PAC Display Configurator incorrectly creates an empty Runtime user group2.01/24/2017
KB86493PAC Display Runtime: "Error in line ... of upload recipe template" 2.01/13/2017
KB86483Assigning a value or clearing a value from a "flag" variable may lock the controller1.01/10/2017
KB86311PAC Control needs to better identify point types on the SNAP-AIRTD-8U2.01/10/2017
KB86458PAC Display Runtime: Objects stay highlighted after cursor has been removed2.01/9/2017
KB86471Graphics with Send Value dynamic attributes that trigger historical logs may cause PAC Display Runtime to crash2.01/9/2017
KB86481Response time should improve when points used in a PAC Display project are moved from a serial I/O unit to an Ethernet I/O unit2.01/9/2017
KB86417PAC Display Runtime may not display correct values for points on E1s and E2s 1.01/4/2017
KB86474Passing negative numbers to GenerateReverseCrc16OnTable32 can cause the controller to reset2.01/4/2017
KB86288When a relative path is modified, PAC Display incorrectly adds "../" to the file path2.01/4/2017
KB86373BACnet/IP Integration Kit doesn't correctly return object names when queried by other BACnet/IP devices or host software1.01/4/2017
KB86409Convert Float to String command doesn't properly handle NaNs2.01/3/2017
KB86470Using the groov Data Simulator may incorrectly start trial mode1.01/3/2017
KB86433PAC Display Configurator: Save Project dialog box sometimes appears if you click No when prompted to "Continue opening the project?" 2.01/3/2017
KB86444Resetting reference counts may cause PAC Display Configurator to crash3.01/3/2017
KB86300PAC Display Runtime Pro: Historical SuperTrend graph may show date of 1/1/1601 if data source is a database3.01/3/2017
KB86309PAC Display: History alarms aren't reloaded if alarms are logged to a SQL Server database table3.01/3/2017
KB86425In groov, Trend tags don't show up when you view Tags In Use2.012/19/2016
KB86424In groov, writing a very large string to a string tag produces a 413 error2.012/19/2016
KB86362Event Editor shows two inputs for event condition value2.012/19/2016
KB86091When scrolling in groov View, the page menu and popups are detached from the caption bar2.012/19/2016
KB86435PAC Display's Relative Path feature does not save files to the correct location3.012/14/2016
KB86299PAC Display Configurator: Alt+A keyboard shortcut doesn't work on Alarming Setup > Options tab 2.012/14/2016
KB86394Opto Browser Configurator doesn't display E1, E2, or SNAP-PAC-R1-B I/O units1.012/14/2016
KB86324PAC Display Configurator may crash if you cancel when using the combo box control to configure dynamic attributes2.012/14/2016
KB86337PAC Display Runtime may crash when loading binary SuperTrend historical files2.012/14/2016
KB86344Can't select a string table and index with PAC Display's Quick Tag feature 3.012/14/2016
KB86346Entry field displays dots instead of characters when you use PAC Display's on-screen keyboard function to enter values3.012/14/2016
KB86350PAC Display: Font name may be blank and the wrong font style may be selected when the Font dialog box is reopened2.012/14/2016
KB86355PAC Display Runtime: Error when using on-screen keyboard to browse for SuperTrend historical log files3.012/14/2016
KB86374Clicking Text > Font > TrueType causes some Beta versions of PAC Display Configurator to crash2.012/14/2016
KB86375PAC Display Configurator may crash when opening a project with a table2.012/14/2016
KB86398PAC Display: Unable to import a historical data log configuration file 2.012/14/2016
KB86402PAC Display Runtime may close after user tries to change password2.012/14/2016
KB86284PAC Display Configurator may crash when opening a project with initial window states configured2.012/14/2016
KB86285PAC Display SuperTrend "Make Path Relative to Project" check box does not retain its setting2.012/14/2016
KB86292PAC Display SuperTrends show only part of the historical data in a database file2.012/14/2016
KB86325Some PAC Control commands cannot be used with E1/E2 I/O units2.012/9/2016
KB86363groov: Importing Modbus tagnames containing double quotes returns an error, but names are successfully imported1.011/22/2016
KB86339groov may select incorrect tag if 2 or more OPC UA servers are configured with same namespace and tag list2.011/22/2016
KB86341In groov, cannot import Modbus tags with a comma in their tag names1.011/16/2016
KB86332groov Image Library takes long time to load images and can cause groov to appear to freeze1.011/16/2016
KB86301Opto iPAC/aPAC display analog input & output points as Unknown() when IO via Controller is selected1.011/16/2016
KB86280In Opto iPAC, tags are sorted in an unexpected way1.011/16/2016
KB86278Opto aPAC: On some devices, the list of tags is very small and hard to read1.011/16/2016
KB86249Controller acting as Modbus Slave won't accept TCP connection requests from Master2.011/11/2016
KB86358In groov, SSL certificate configuration may cause Node-RED ports to be unresponsive2.011/1/2016
KB86240REST API: Errors when reading or writing to tags may cause controller to reset2.010/31/2016
KB86306In iPAC and aPAC, digital output points may be categorized as analog input points 1.010/31/2016
KB86071REST API does not return -Infinity values as strings2.010/28/2016
KB85815REST API: Writing a NaN to an analog output or float writes 0 instead2.010/28/2016
KB85807POSTs to REST API may return a -8 error code when the JSON string includes whitespace2.010/28/2016
KB86257Cannot enable communication to mistic brain with quadrature digital input module configured2.010/27/2016
KB86329Can't change state of output points on Mistic I/O units after power interruption2.010/27/2016
KB86330Using Internet Explorer with groov, changes to event notification message configuration are not saved 2.010/21/2016
KB86090After prolonged, continuous powerup, controller may lose communication via host port 2.010/20/2016
KB86282groov may become unresponsive or crash, and downloading system logs may result in zero byte files1.010/3/2016
KB86254groov View for iOS Cancel button does not work after failed password attempts1.010/3/2016
KB86266Incorrect confirmation password in groov View for iOS makes password setup impossible1.010/3/2016
KB86265On groov View for iOS, trying to change password fails when entering old password1.010/3/2016
KB86248Cancelling or attempting to turn off passcode causes groov View for mobile to crash1.010/3/2016
KB86246In groov View mobile app, automatic login does not work if username or password includes "&"1.09/28/2016
KB86214groov View mobile app fails to connect to sites with an IPv6 address configured to use a name2.09/28/2016
KB86204groov View for iOS does not correctly support usernames and passwords that contain spaces2.09/28/2016
KB86203In groov View for iOS on iPad, the display moves up when you return from changing app settings2.09/28/2016
KB86202In groov View for iOS on an iPad Pro, once set, the "Handheld View" option may stick even if turned off2.09/28/2016
KB86201In groov View for iOS on iPad Pro, "Handheld View" options appear to be global rather than per connection2.09/28/2016
KB86132In groov, failure on a single OPC UA connection may cause tags on working OPC UA connections to fail 2.09/28/2016
KB86121In groov, the licensing window appears on all browser instances after a trial timer expires and start trial has been selected1.09/28/2016
KB86092Opto aPAC displays timer variables as integers rather than floats1.09/28/2016
KB86251"Play sound continuously until any alarm is acknowledged" may cause PAC Display Runtime to hang2.09/27/2016
KB86232Using Scale Window tool on a SuperTrend graphic may cause PAC Display Configurator to crash 2.09/27/2016
KB86231PAC Display: XY Plot connects last point to (0,0)4.09/27/2016
KB86225Pressing a key with no project open may crash PAC Display Configurator2.09/27/2016
KB86224OptoDataLink 9.5 does not cycle through database rows like 9.4 did2.09/27/2016
KB86223PAC Control: Shared subroutines can give incorrect results2.09/27/2016
KB86217PAC Display: Controller becomes "< Undefined>" in imported windows2.09/27/2016
KB86197PAC Display may crash when reopening Log To Database dialogs using MySQL 2.09/27/2016
KB86184E2 brains don't show in the PAC Display Runtime Setup I/O Unit Tag list2.09/27/2016
KB86182PAC Display: Dynamic Attributes > View does not show the dynamic attributes2.09/27/2016
KB86177PAC Display Professional: OptoDisplay Converter (FAC2PAC) should not try to automatically open a project 2.09/27/2016
KB86172PAC Manager: Updating to newer firmware may fail in R1, R1-B, and R2 controllers with microSD card slot3.09/27/2016
KB86166PAC Display Runtime: On-screen keyboard for touch screen is distorted2.09/27/2016
KB86158PAC Display Professional may not save configuration for logging SuperTrend data to a file or database2.09/27/2016
KB83014PAC Control should report a compile error if you pass in an incorrect parameter when the argument is a table2.09/27/2016
KB86083Opto aPAC randomly shows "Invalid Length Returned" when viewing string tables1.09/26/2016
KB86002Opto aPAC app crashes, often after "Connect Failed!" message, while communicating with I/O points1.09/26/2016
KB85663In Opto iPAC, long tag name causes Turn On button to be hidden1.09/23/2016
KB85569In Opto iPAC and Opto aPac, only the first 2 points show up on the SNAP-IDC-32DN1.09/23/2016
KB85568After restarting the Opto iPAC App, items deleted from the main list reappear1.09/23/2016
KB86264Cracking on SNAP PAC or SNAP TEX plastic rack extrusions1.09/23/2016
KB86181PAC Display: In Historical mode, the start date of binary SuperTrend log files may appear as 01/01/1601 2.09/23/2016
KB86221groov Trend gadgets allow negative periods2.09/22/2016
KB86189Color changes made to original or duplicate groov gadget are applied to both gadgets2.09/22/2016
KB86156SuperTrends: Colors are different between trend pen and its associated value2.09/22/2016
KB86219PAC Manager should not let you configure SNAP-IDC5Q for SNAP-PAC-R2s, -EB2s, or -SB2s2.09/22/2016
KB86218PAC Control should not let you configure SNAP-IDC5Q for SNAP-PAC-R2s, -EB2s, or -SB2s2.09/22/2016
KB86024PAC Control should report a compile error if the index to a string table reference is missing in an OptoScript block3.09/21/2016
KB86180Newer firmware files may not install properly when a microSDHC card is in the controller3.09/21/2016
KB86126OptoDataLinkRuntime won't start ("Unable to start OptoDataLinkRuntime" error message)2.09/20/2016
KB86148Loss of floating point precision in OptoOPCServer and PAC Display2.09/20/2016
KB86159PAC Display Runtime terminates if the project's ODBC data source is not available2.09/16/2016
KB86220EtherNet/IP Configurator should not let you configure SNAP-IDC5Q for SNAP-PAC-R2s or -EB2s2.09/15/2016
KB86238E1/E2 Serial Optomux watchdog timeout does not work2.09/14/2016
KB86237PAC Manager: Install Firmware via Ethernet may fail with certain controllers (Could not access 'response' file)3.09/14/2016
KB86170PAC Manager Configuration file doesn't retain Fahrenheit setting for E2 brains2.09/14/2016
KB85899MMP Write Block commands that write more than 1444 bytes of data may trigger additional transactions1.09/14/2016
KB84979-39 error (Timeout on Receive) should not close UDP communication handles2.09/13/2016
KB86206SoftPAC: Unable to communicate to MMP port via UDP 2.09/12/2016
KB86212SoftPAC: Multiple charts heavily accessing the same communcations handle can cause a -16 Bus Error 2.09/12/2016
KB86142Stopping a strategy while a chart holds a lock on a flag variable can make the controller unresponsive3.09/2/2016
KB86193REST API sometimes incorrectly returns -5 or -28 error when multiple values are requested2.09/1/2016
KB86136PAC Display: Existing graphics don’t recognize configured digital input points and new graphics can't be configured for digital input points3.08/30/2016
KB86113When graphics overlap, PAC Display Runtime should perform the actions configured for the top-most graphic2.08/30/2016
KB85987Graphics configured to download a recipe from a database table may cause PAC Display Runtime to crash2.08/29/2016
KB86137PAC Display: Unable to configure string tables for Send String dynamic attribute command2.08/29/2016
KB86147In multi-monitor systems, Runtime doesn't always reopen main window on the monitor where it was closed2.08/29/2016
KB86149PAC Display Pro: Cannot unselect "Log to Database" when configuring Alarming Setup 2.08/29/2016
KB86131PAC Display: Export Project feature fails to export header information for Bezier curves2.08/26/2016
KB86123PAC Display Runtime generates blank entries (separated by commas) in triggered historical logs2.08/26/2016
KB86150Unexpected results when changing PID parameters in PAC Control Debug mode2.08/24/2016
KB86117PAC Display Configurator doesn't retain tag order when configuring historical data log 2.08/24/2016
KB86122PAC Display Configurator crashes when you paste text into a window3.08/23/2016
KB86116PAC Display Runtime: Discrete alarms trigger only when the tag's value is -1 2.08/23/2016
KB86103PAC Display Runtime: Unable to close "Waiting for async operations to complete" message2.08/23/2016
KB86130OptoScript fails to set breakpoints following a single line comment starting with //* 2.08/23/2016
KB86104PAC Display Runtime: Layered buttons with Visibility/Blink attributes don't always display proper text 2.08/22/2016
KB85968E1/E2: Powerup Clear Expected Error always transmitted as a Write Response2.08/22/2016
KB86101PAC Display Runtime: Clicking a button with Send String attribute displays error message2.08/22/2016
KB86102PAC Display Runtime crashes if you enter the password or click Cancel when opening a password-protected window2.08/22/2016
KB86143PAC Control: Three "I/O Unit" conditions don't support E1, E2, or R1-B2.08/22/2016
KB85993PAC Control may crash if you press Cancel while the strategy download is processing an archive 4.08/22/2016
KB86120"Operation Failed; retrying" error when logging into groov using IE on PC or Safari on Mac2.08/19/2016
KB85999When restoring a project in groov Build, typing in the Project Backup field produces an error2.08/19/2016
KB85767.NET Controller SDK: Erroneous Communication Fault1.08/19/2016
KB85706.NET OptoMMP SDK: Characters missing from Point Name1.08/19/2016
KB86108PAC Display text objects with multiple styles revert to Normal style (and font may change) when project is reopened2.08/19/2016
KB82105Specific characters in a communication handle's Initial Value cause issues in archived strategies2.08/19/2016
KB85615If Legacy option isn't enabled, PAC Control may crash when importing a chart with a legacy I/O unit2.08/18/2016
KB86021PAC Display Runtime's inactivity timeout behavior isn't consistent2.08/18/2016
KB86094PAC Display: Project passwords longer than 50 characters may not work2.08/17/2016
KB82614"Undefined Command" error when downloading strategy with double quotation mark ( " ) in string variable2.08/17/2016
KB85982OptoDataLink may crash if a data link's source or destination becomes unavailable2.08/17/2016
KB86140OptoDataLink doesn't send data when "depending on" condition is reactivated2.08/16/2016
KB86133OptoDataLink doesn't write empty string values from database tables to strategy tables2.08/16/2016
KB86078Clearing configured breakpoints should also clear "Break On" flag2.08/16/2016
KB86139SNAP PAC thermocouple modules running under R9.5a firmware may prematurely display high out-of-range value2.08/11/2016
KB86125Internet Explorer deletes text in groov text area gadgets when grouped or selected together2.08/2/2016
KB85996Failure during groov project load can hang the browser2.07/28/2016
KB85947groov 3.2 update fails on groov Box with groov Admin version lower than 431.07/28/2016
KB85911groov Trend gadget properties panel does not convert units in the Period and Update Interval fields2.07/28/2016
KB85910groov Trend gadget minimum update intervals not enforced2.07/28/2016
KB85841groov Indicator Buttons don't fully display animated gifs2.07/28/2016
KB81116PAC Control subroutine names with a space or dash generate a misleading error2.07/22/2016
KB80780PAC Control strategy filenames with a period cause download problems2.07/22/2016
KB86020SoftPAC: Cannot use "Update Firmware" option to upgrade to R9.5a (or higher)2.07/21/2016
KB82058Host-fed PID Velocity Type B, ISA, Parallel, and Interacting algorithms do not calculate D or P terms4.07/21/2016
KB86011Online Help: Script error message when clicking external hyperlinks1.07/20/2016
KB85928In PAC Display Runtime, reloading history alarms can cause "Not responding" to appear in title bar2.06/30/2016
KB85952Optomux responses on E1/E2 may be delayed2.06/30/2016
KB85832In groov, changing text in a copied Text Gadget may affect the original one, and vice versa2.06/30/2016
KB85820In groov, cannot write an empty string into a Modbus string tag or shorten the string2.06/30/2016
KB85818SVG image in groov does not appear or is out of proportion2.06/30/2016
KB85817In groov, OPC UA byte array shows data type error2.06/30/2016
KB85566OptoMMP Read requests to E1/E2 using invalid addresses return stale data1.06/30/2016
KB85725PAC Display Runtime may crash if Cancel is pressed at password prompt2.06/20/2016
KB85702PAC Display recipe download will not write data to a string variable if the data contains a colon2.06/10/2016
KB85669PAC Display Runtime's View > Configuration Status crashes on a project with no controllers2.06/10/2016
KB85951PAC Display Runtime with triggered historic logs and notifications may crash on startup1.06/10/2016
KB85816In groov, writing to an OPC UA array index gives an "unexpected error"1.05/26/2016
KB85806In groov, OPC UA Static Array may generate index error asking for a negative index value2.05/26/2016
KB85591PAC Display Trends and SuperTrends do not use correct controller's data after Window > Switch Control Engine2.05/26/2016
KB85797Opening an FTP Comm Handle in PAC Control uses incorrect default timeout2.05/26/2016
KB85877Some E1/E2 configuration values not properly stored to flash memory2.05/26/2016
KB85901Uploading SSL certificates to groov Box can cause the Box to become unreachable1.05/26/2016
KB85897PAC Display Runtime writes to Runtime Operator Log when logging is not enabled2.05/26/2016
KB85888-2104 error when sending email from a PAC Control strategy2.05/26/2016
KB85914Modbus/TCP function Report Slave ID (0x11) does not return any data2.05/25/2016
KB85876PAC Display Runtime B9.4h crashes with XY plots2.05/18/2016
KB85842PAC Display Runtime may crash if reading a very large float value2.05/18/2016
KB85637PAC Display multiple Runtimes feature not working2.05/18/2016
KB85744PAC Display Configurator, Graphic Dynamic Attributes: Cancel button saves size and position changes2.05/5/2016
KB85839OPC UA dynamic array shows incorrect index range in groov event notification email editor1.05/4/2016
KB85813groov Event Notification email not saved if only tag(s) are added1.05/4/2016
KB85756groov View shows yellow triangle "trying to connect" error on gadget with Data Simulator tag1.04/29/2016
KB85737In groov Build, a configured Event condition displays incorrect boolean settings1.04/29/2016
KB85796In groov Build, OPC UA Static Array tags are disabled in the Tags tree1.04/29/2016
KB85755PAC Controller message queue shows -12 error when groov project tries to get table information1.04/29/2016
KB85738In groov, setting Lower Hysteresis in an Event condition produces error1.04/29/2016
KB85713groov dynamic tag array not operational 1.04/29/2016
KB85673In groov, results for Modbus scalers used with array tags are incorrectly rounded1.04/29/2016
KB85793PAC Display Professional project loads slowly, may show out of memory error; project .UUI file grows to several hundred megabytes2.04/27/2016
KB85758PAC Display Runtime - Incorrect vertical position behavior when objects grouped2.04/22/2016
KB85762OptoDataLink may crash2.04/22/2016
KB85570groov logo always appears when using View on an iPad1.04/22/2016
KB84903PAC Manager - Negative number in Add Memory Map Values dialog box generates error2.04/8/2016
KB85658PAC Display Configurator - Project Export may hang or crash2.04/7/2016
KB85657PAC Display Configurator and Runtime will crash if you open a very large number of windows at once2.04/7/2016
KB85648PAC Display may not start on some Windows PCs2.04/7/2016
KB85642PAC Display Runtime - Selected window doesn't come to front2.04/7/2016
KB85607PAC Display Configurator - Find Tags may find incorrect tag2.04/7/2016
KB85604PAC Display Runtime - Recipe upload may time out and report an error in the recipe format file2.04/7/2016
KB85587PAC Display Configurator - PID button object appears to point to wrong PID2.04/7/2016
KB85565PAC Display Runtime may crash (long message in the Event Log)2.04/7/2016
KB85555PAC Display Runtime may fail when trying to get Historical Log File name from controller string variable2.04/7/2016
KB85511PAC Display Configurator - Importing alarm points may result in several "String Resource Not Found" messages2.04/7/2016
KB85510PAC Display Configurator - "Control engine not found" error after importing alarm points 2.04/7/2016
KB85491PAC Display Runtime may not display buttons and combo box controls when other graphic objects change state2.04/7/2016
KB85429XY Plot with empty title causes PAC Display Runtime to crash2.04/6/2016
KB85661mistic I/O units cannot be imported into PAC Control2.04/6/2016
KB85723On a SNAP high-density digital (HDD) output module, a point that was turned off is on, or vice versa2.04/6/2016
KB85583PAC Control: Undefined command error on download caused by analog point scaling2.04/1/2016
KB84812Analog minimum value request in PAC Display or OptoOPCServer returns maximum value2.04/1/2016
KB83828SNAP analog module loses custom scaling configuration2.04/1/2016
KB82216PAC Control variables do not show up in the Strategy Tree when copied3.04/1/2016
KB84806PAC Control: Using custom scaling with analog points on mistic I/O units causes error3.03/31/2016
KB85696E1/E2 firmware upgrade takes too long1.03/30/2016
KB84407In groov Server, Backup project doesn't complete the backup if you have unsaved changes and click "Yes"2.03/28/2016
KB84422groov Server shows "Updates Available" even though just updated2.03/28/2016
KB84879groov Server stops functioning; NoClassDefFoundError exceptions appear in message log1.03/28/2016
KB85550In groov Admin, cannot get PEM/CSR file after uploading CA-signed certificate1.03/28/2016
KB85549groov Box cannot be reached by hostname1.03/28/2016
KB85576PAC Display Runtime: Historical Logs may miss data if another trigger event occurs too quickly2.03/23/2016
KB84845EtherNet/IP Configurator does not scale SNAP-AIMA-iH and SNAP-AOA-23-iH (HART modules) correctly2.03/23/2016
KB84801groov Page Navigation gadget's page selector appears to support multiple links1.03/9/2016
KB84184In groov Build, initial image may fail to load for Video gadget1.03/9/2016
KB84908In groov, "Log out all users" does not log users out of the View Logs screen1.03/7/2016
KB84864In groov notification editor, editing an array tag defaults to index 0, regardless of the index chosen1.03/7/2016
KB84779groov: Group Header gadget isn't rendered well when font size is too big for grid size1.03/7/2016
KB84778If a groov event is disabled, the save changes dialog pops up when no changes were made1.03/7/2016
KB84280In groov Build, dialog boxes stay open when a user is logged out by an Admin1.03/7/2016
KB83938In groov Build, erratic browser window behavior when dragging gadgets to the page1.03/4/2016
KB84402The length of an OptoMMP Write Block request is not properly limited1.03/3/2016
KB84401The length of an OptoMMP Read Block Request is not properly limited1.03/3/2016
KB85483groov App security issue identified and corrected1.02/11/2016
KB85462Spikes in Optomux serial response time on E1 and E2 brains2.01/19/2016
KB85457SNAP-PAC-EB2-W brain continuously resets after wireless configuration is stored to flash1.01/19/2016
KB85340In the .NET controller SDK, a communication fault is returned for a floating point value or analog point state1.01/19/2016
KB85192groov events cannot reference strategy table indexes1.01/19/2016
KB84911PAC Manager can't assign IP address to legacy SNAP Ethernet I/O brains or M4SENET-100 via Ethernet connection1.01/11/2016
KB84561Firmware needs to support PAC Manager in calibrating analog points that have negative scaling4.01/8/2016
KB84977PAC Display Runtime: Double-clicking causes buttons to perform their actions twice1.01/7/2016
KB85338PAC Display (Beta version): Alarms are not Acknowledged in Summary alarm window2.01/7/2016
KB85398PAC Display Configurator may crash when you configure table controls in projects that were last saved in pre-R9.0a versions2.01/7/2016
KB84135PAC Control: Unusual behavior when debugging string tables with non-printable ASCII characters1.01/7/2016
KB85379PAC Display Configurator might not load all strategy tags when the strategy includes SNAP-PAC-R1-B I/O Units2.01/7/2016
KB85369PAC Control R9.4 compiles all charts when entering Debug mode2.01/5/2016
KB84921PAC Control: Unable to see all algorithm data in the View PID Loop (scanning) dialog box1.01/5/2016
KB85043In the .NET controller SDK, stopping a chart returns an error2.01/4/2016
KB83768PAC Control: Closing a chart while it's in Auto Step mode puts the chart into the paused state1.01/4/2016
KB84551PAC Control: Clearing I/O unit's configuration may cause reset1.01/4/2016
KB85396Windows 10 Edge 25 browser misaligns gadgets in groov View1.012/30/2015
KB85374groov's error symbols break starting in Chrome 481.012/30/2015
KB85313In groov View, Round Gauge and Range Indicator gadgets may not show complete marker values1.012/30/2015
KB85284In groov, moderate to heavy load causes unreliable event reporting1.012/30/2015
KB85031In the .NET controller SDK, WriteChartStatus?() always returns a communication error2.012/30/2015
KB84986In groov, the Operator security level lacks a logout option1.012/30/2015
KB84842In groov Admin, a timezone change requires a reboot1.012/30/2015
KB83813Unusually large change in PID Output or Integral2.012/18/2015
KB84196COM handle "get.srcport" command returns the source IP address instead of its port2.012/10/2015
KB84704Controller may reset if email attachment is sent from microSD card2.012/10/2015
KB84711Opening a communication handle may cause a controller reset (or bus error) if value is malformed2.012/10/2015
KB84757PAC Control: Unpack String incorrectly stores 8-, 16-, and 24-bit values into Int32 2.012/10/2015
KB84858Control engine ignores Mistic PID output enable options2.012/10/2015
KB84731SNAP PAC controller connection to secure server may fail2.012/10/2015
KB84702PAC Project Firmware: Strategy download may fail2.012/10/2015
KB84243Custom-scaled SNAP I/O modules may be reset to defaults2.012/10/2015
KB84345PAC Control flowchart hangs when trying to access offline HART SNAP I/O2.012/10/2015
KB84300SNAP-PAC rack-mounted controllers & brains stop returning frequency every 72 minutes2.012/10/2015
KB84431PAC Control: Files written by a strategy to a Micro SD card have a created date of Jan 1, 20122.012/10/2015
KB84472PAC Firmware: Persistent strings are cleared when strategy is updated2.012/10/2015
KB84519PAC Control commands that use SSL/TLS may return HTTP Status (like 202) in the "Put Status In" variable5.012/10/2015
KB84577OptoMMP memory map Digital Point Write Turn On/Off areas write with any value2.012/10/2015
KB84588Spaces in file COM handle connect string make files inaccessible2.012/10/2015
KB84608HART preambles set to very high value2.012/10/2015
KB84885Mistic I/O is not enabled after watchdog timeout2.012/10/2015
KB84528A PAC Control strategy with a very long name may make variables lose their persistence2.012/10/2015
KB84898PAC Control: Handshake failure sending email to SMTP server using SSL certificate with specific algorithm2.012/10/2015
KB85035SNAP PAC brains: Large data stream sizes cause corruption and/or reset2.012/10/2015
KB85038On SNAP PAC controllers, persistent variables aren't retained when using background downloading2.012/10/2015
KB85083Cannot create file on microSD card (error code -417)2.012/10/2015
KB85276Get Control Engine Address command returns
KB84474Some time zone changes not working correctly in SNAP PAC controllers2.012/10/2015
KB84719On a SNAP PAC controller, the host port may become unresponsive 2.012/10/2015
KB84791Heavy use of a file COM handle by multiple charts may cause the controller to reset2.012/10/2015
KB84906SNAP PAC controller resets when doing secure SMTP over PPP2.012/10/2015
KB84951SNAP PAC controllers: Set Time Zone Configuration is not saved to battery-backed RAM2.012/10/2015
KB84522PAC controllers may refuse communication requests after FTP server closes connection due to inactivity2.012/10/2015
KB85301PAC Control's Inspect window shows incorrect data for 64-bit integer tables in subroutines 2.012/10/2015
KB83266Full FTP directory may not be returned by the control engine2.012/10/2015
KB80394'Get Frequency' command slow to detect 0 Hz2.012/10/2015
KB84583Cannot access SNAP PAC controller1.012/9/2015
KB85045Can't properly resize EtherNet/IP Configurator dialog boxes in Windows 102.012/9/2015
KB84840PAC Display: Event Log Viewer Message window may display wrong message2.012/2/2015
KB84839PAC Display: Floating point values of 0.0 or less may cause Invalid Floating Point error 2.012/2/2015
KB84392PAC Control: -62 error (stack too large) when strategy is downloaded1.012/2/2015
KB84539PAC Display Runtime may consume large amounts of RAM2.012/2/2015
KB84538Error downloading PAC Control strategy with PID loop2.012/2/2015
KB84556PAC Control: Can't configure On-Latch Set? or Off-Latch Set? when I/O unit is G4EB22.012/2/2015
KB84562PAC Display Configurator Export Historic Logs does not work2.012/2/2015
KB84631PAC Display Runtime crashes if the Log In dialog password field is clicked and "Enable On-screen Keyboard" is selected2.012/2/2015
KB84632PAC Display Runtime: Global Operator Logout succeeds even if canceled2.012/2/2015
KB84636PAC Display Configurator may crash when opening older projects2.012/2/2015
KB84647PAC Display Runtime may crash when using PID button2.012/2/2015
KB84471PAC Display Pro may not generate correct information for redundant controllers2.012/2/2015
KB84482PAC Display Runtime may crash on start if Reload History Alarms option is enabled2.012/2/2015
KB84425PAC Display Configurator may crash on Find Tag dialog box2.012/2/2015
KB84453PAC Control debugger not in sync with redundant system that has switched to the backup2.012/2/2015
KB84281PAC Display Configurator: Cannot delete historic log2.012/2/2015
KB84315PAC Display Configurator may crash when copying/pasting Labels2.012/2/2015
KB84340SoftPAC Monitor Overview reports a strategy name after SoftPAC is turned off2.012/2/2015
KB84408PAC Display may freeze when closing a window with multiple graphic dynamic attributes2.012/2/2015
KB84409PAC Display may not recognize the password to enter a password-protected window4.012/2/2015
KB84412PAC Display: Find Tag does not find historic log items2.012/2/2015
KB84654PAC Display Runtime may crash when acknowledging Alarm Point dialog if using conditional tags2.012/2/2015
KB84659 PAC Display: All operator-driven attribute (ODA) permission checks can be bypassed2.012/2/2015
KB84664PAC Display should allow choosing security users from the local computer accounts2.012/2/2015
KB84677PAC Display Monitor-only Runtime does not allow runtime user to log out2.012/2/2015
KB84606An OptoControl strategy with scaled points will not convert properly to PAC Control 2.012/2/2015
KB84214Edit > Replace feature in PAC Display Configurator does not work for table objects when Search For is set to Refresh Group2.012/2/2015
KB84217PAC Display Runtime Basic not logging String Tables to Historic Log2.012/2/2015
KB84231Alarm Points set by Tag values in PAC Display do not alarm with Lo or LoLo values2.012/2/2015
KB84232Alarm Point Alert Window does not appear in PAC Display Runtime2.012/2/2015
KB84200PAC Display Bring Window to Front dialog box does not work2.012/2/2015
KB84282Window names not showing up in some PAC Display dialog boxes2.012/2/2015
KB84250PAC Display Runtime may crash if a window is closed while output dynamic attribute operations are in progress2.012/2/2015
KB84263PAC Display Configurator: Controller references for Table tags are not updated when importing windows2.012/2/2015
KB84170PAC Display Configurator crashes when duplicating a historic log2.012/2/2015
KB84168SuperTrend historic log configuration does not retain settings in PAC Display Configurator Basic2.012/2/2015
KB84183Text copied from a label object in PAC Display Configurator may not correctly paste into a different application2.012/2/2015
KB84174 Non-text graphics rotated in PAC Display Runtime are not redrawn when opening an Always In Memory Window2.012/2/2015
KB84133PID Auto/Man button in the PID Viewer does not always work2.012/2/2015
KB83944Bootloader fails to load firmware from microSD to RAM2.012/2/2015
KB83896OptoDataLink stops logging data if the scanner stops functioning2.012/2/2015
KB82904OptoDataLink intermittently stops recording data2.012/2/2015
KB83032Button graphics with dynamic text may not display correctly in PAC Display Runtime2.012/2/2015
KB84915PAC Display: Displaying values from integer tables, float tables, or historical logging may cause memory error at runtime2.012/1/2015
KB83921PAC Display: Combo box retains focus at runtime2.012/1/2015
KB85247OptoDataLink cannot transfer rows of data to individual tags2.012/1/2015
KB84681OptoOPCServer: Tag qualities can change erratically2.012/1/2015
KB84314Downgrading to a lower-numbered version of PAC Project does not downgrade OptoOPCServer1.012/1/2015
KB84173PAC Control: Find Missing Connections function may incorrectly return continue blocks3.011/30/2015
KB83600Very long variable descriptions can cause PAC Control to crash1.011/30/2015
KB85296PAC Display: Start Index and Num Elements fields are editable when they shouldn't be 2.011/30/2015
KB85292PAC Display: Dates for alarms, historical logs, and event logs won't appear as DD-MM-YYYY2.011/30/2015
KB85279Rapidly clicking a graphic with a Send dynamic attribute may affect other graphics2.011/30/2015
KB85277PAC Manager times out almost immediately when attempting to install firmware2.011/30/2015
KB85046Can't properly resize Opto Browser Configurator dialog boxes in Windows 102.011/30/2015
KB85044Can't properly resize PAC Manager dialog boxes in Windows 102.011/30/2015
KB85039Can't properly resize PAC Control dialog boxes in Windows 102.011/30/2015
KB85020PAC Control: Scaled unit incorrectly appears in Actual Unit field2.011/30/2015
KB85309PAC Display Pro doesn't automatically switch to redundant IP2.011/30/2015
KB84968OptoDataLink may create duplicate database and file records2.011/30/2015
KB84543Invalid values on x86 and AMD64-based computers with PAC-DEV-OPTOMMP-DOTNET SDK1.011/25/2015
KB84542Missing options for analog outputs in PAC-DEV-OPTOMMP-DOTNET SDK1.011/25/2015
KB84541Invalid values for analog inputs with PAC-DEV-OPTOMMP-DOTNET SDK1.011/25/2015
KB84529Exception fault when configuring analog output in PAC-DEV-OPTOMMP-DOTNET SDK1.011/25/2015
KB84480Opto iPAC FTP secure login dialog box does not appear correctly in iOS 7 and higher1.011/25/2015
KB84444SNAP analog output module resets when invalid float is written to it1.011/25/2015
KB84368groov Graph gadget may have trouble showing min/max 32-bit or 64-bit float values1.011/25/2015
KB84319In groov Build, Modbus tags are not auto-selected in Update Tag dialog box1.011/25/2015
KB84295Premature return of "-10" error in PAC-DEV-OPTOMMP-DOTNET SDK1.011/25/2015
KB84294Null string invalid exception with PAC-DEV-OPTOMMP-DOTNET SDK1.011/25/2015
KB84288Incorrect free space shown for microSDHC cards on SNAP PAC controllers2.011/25/2015
KB83045PAC Control: Unable to delete a block that was referenced by multiple continue blocks2.011/24/2015
KB84093OptoOPCServer may crash if it receives too many Refresh requests too fast 1.011/24/2015
KB83991Cannot configure SNAP-AIR400K-8 for Steinhart-Hart coefficients1.011/20/2015
KB84185groov View for iOS often reports "low memory"1.011/19/2015
KB84140GROOV-AT1 is restored to defaults if power button is pressed twice within 4 seconds1.011/19/2015
KB83946Opto iPAC may crash when viewing numeric tables1.011/19/2015
KB84810PAC Control: Last value of Message Queue message is omitted when pasted into Excel1.011/16/2015
KB84833OptoScript: "if-then" causes -13 overflow error when value is too large2.011/16/2015
KB85261PAC Display Configurator crashes when you load a project with an unnamed alarm point2.011/16/2015
KB83669PAC Control: Searching for pointers may return false matches1.011/13/2015
KB82660SNAP-SCM-PROFI Profibus module may reset when connected to a device that continuously transmits data1.010/30/2015
KB85250E1 or E2 firmware update may fail intermittently1.010/30/2015
KB84712groov Build: Some incorrect colors appear with dark backgrounds1.010/23/2015
KB85220At runtime, PAC Display may crash when you click a graphic with a window dynamic attribute2.010/23/2015
KB85222E2 brain board resets1.010/23/2015
KB85201PAC Display may crash or become unresponsive at runtime if its project has many active and enabled alarm points2.010/13/2015
KB85204E1 and E2 brain boards may be corrupted if reset during startup1.010/12/2015
KB85158E1 and E2 brain boards with R1.1e firmware may fail to communicate on startup1.010/12/2015
KB84703groov project takes a long time to save if Trends have missing tags2.010/8/2015
KB84695After selecting and unselecting gadgets in groov Build, the arrow keys no longer work as expected.1.010/8/2015
KB84693In groov Build, changing gadget z-order only works with one gadget at a time1.010/8/2015
KB84989groov may become unresponsive after running fine for 40 minutes (corrupt project file)1.010/8/2015
KB83985If a window is open in groov Build and in another tab the same user logs out, the window persists.1.010/8/2015
KB83820PID Output may go to previous state when switching back to auto mode1.010/8/2015
KB83683In groov, long names affect Page Navigator gadget's property panel1.010/7/2015
KB83536In groov Build, changing users causes a stuck "loading tags..." dialog box1.010/7/2015
KB85182In PAC Display Runtime, alarm graphics show no data other than date/time 2.010/2/2015
KB85082When you run PAC Display Runtime Pro as an administrator, it cannot connect to IO scanners2.010/2/2015
KB85157Cannot update groov Admin in Edge browser2.010/1/2015
KB85141SNAP-AIRATE-HFi reports value of 0 Hz instead of out-of-range value when field signal is below lower range1.010/1/2015
KB85078SNAP-AIMV-4 module with point configured as +/- 75 mV shows incorrect default scaling2.010/1/2015
KB85080In Windows 10, PAC Display Configurator Pro may crash when saving a project2.09/29/2015
KB85055Memory leak may cause OptoDataLinkRuntime.exe to use more system memory1.09/29/2015
KB85061In PAC Manager, SNAP-AICTD module scaling values are configured incorrectly2.09/28/2015
KB85060In EtherNet/IP Configurator, SNAP-AICTD module scaling values are configured incorrectly1.09/24/2015
KB85072Baseplate on most SNAP brains and rack-mounted controllers is changing from plastic to aluminum1.09/15/2015
KB85057In groov, adding or configuring a Modbus device on a Solo license causes groov to stop working1.09/14/2015
KB85034PAC Control I/O Unit commands do not support SNAP-PAC-R1-B2.09/9/2015
KB85033In groov Build, the first attempt to update a strategy may not work1.09/9/2015
KB85028Upgrading to Windows 10 may not register the OptoDispLS service for PAC Display1.09/9/2015
KB85024GROOV-AR1: SYS LED keeps blinking and the groov Box is unresponsive1.09/9/2015
KB85023In PAC Display Supertrend, switching from historical to realtime view creates discontinuity2.09/9/2015
KB85021groov default SSL certificate uses an older digest1.08/28/2015
KB84983In groov Build, minor overridden tic marks disappear if gadget has non-zero minimums1.08/13/2015
KB84956Cannot access PEM file after uploading SSL certificate to groov Box1.08/13/2015
KB84954In groov Admin, cannot upgrade groov when on a link-local connection1.08/13/2015
KB84953In groov Admin, cannot set up Wifi when connected via link-local IP address1.08/13/2015
KB84909Cannot resize Level, Slider, or Divider groov gadgets in Chrome1.08/13/2015
KB84403On E1/E2 brains, read-only areas of OptoMMP can be written to1.08/13/2015
KB84396OptoMMP addresses not used by E1/E2 brains do not return an "Invalid Address" error1.08/13/2015
KB84792Error when trying to connect to groov (weak key or unsupported cipher)2.07/28/2015
KB84896E2 brain boards: Reset to defaults does not reset gain1.07/28/2015
KB84895PAC Display Configurator: Historical Log configuration crash2.07/28/2015
KB84893PAC Display alarm email does not show alarm value; displays "f" instead2.07/28/2015
KB84892PAC Display alarm does not trigger email2.07/28/2015
KB84760groov: Using Internet Explorer, PAC Control strategy cannot be updated2.07/28/2015
KB84891SNAP-SCM-CAN2B module incorrectly applies Acceptance Filters to CAN devices1.06/29/2015
KB84905Strategy Mismatch Download Warning when entering Debug mode1.06/29/2015
KB84878PAC Display Runtime may crash if Alarm Log files contain a mix of pre-R9.4a and post-R9.4a data2.06/26/2015
KB84872In groov, the Value gadget does not display a NaN2.06/26/2015
KB84870PAC Display Runtime may crash if using historical SuperTrend configured to log to ODBC database2.06/26/2015
KB84834PAC Control does not scale SNAP-AIMA-iH and SNAP-AOA-23-iH (HART modules) correctly4.06/26/2015
KB84823Cannot connect to OPC UA server after upgrading groov1.06/26/2015
KB84822Special characters do not appear correctly in groov Event Status Viewer2.06/26/2015
KB84820When Chrome browser is maximized, groov gadgets may not be properly resized2.06/26/2015
KB84815Z-order with groov gadgets is inconsistent1.06/26/2015
KB84875Missing tags in Event Conditions disables condition editing in groov Build2.06/18/2015
KB84861Firefox will not allow copying individual text from groov Event Message logs1.06/18/2015
KB84819In groov, QNAN tag is not displayed correctly in Event Status logs1.06/18/2015
KB84818groov View: Event Status Viewer icon doesn't work after navigating away on IE and Firefox1.06/18/2015
KB84846In groov notification emails and log, strings display "no value found for tag"1.06/16/2015
KB84829groov Build: Cannot change line type in the Trend gadget1.06/16/2015
KB84848groov View: Title bar links may be unresponsive on iOS devices1.06/16/2015
KB84849groov Build: Cannot use Ctrl-V hotkey to paste gadgets between pages1.06/16/2015
KB84816IE and Firefox do not display the Event Status Viewer properly from groov Build1.06/16/2015
KB84808In groov Build, Modbus/TCP device slave IDs are not allowed above 2472.06/5/2015
KB84805groov: Changed Opto 22 controller IP address does not immediately appear in the gadget palette2.06/5/2015
KB84803PAC Display Runtime: non-sequentially configured tables may show incorrect data 2.06/5/2015
KB84799In groov, clicking on the View Events Status page opens up tab with no scroll bars2.06/4/2015
KB84242groov: Missing page background label1.06/4/2015
KB84794Event triggers using decimal values are not rounded off in groov View2.05/27/2015
KB84793InfoKB: Periodic hardware replacement for preventive maintenance1.05/27/2015
KB84785groov: Text for some gadgets disappears unless you click inside the properties panel1.05/27/2015
KB84784Boundaries for gadgets in groov Build may not line up with workspace area1.05/27/2015
KB84762PAC Display Configurator may crash when configuring a "Text in from controller" dynamic attribute2.05/27/2015
KB84758Snapshots no longer work in PAC Display Runtime2.05/7/2015
KB84743PAC Display Configurator may crash when configuring Recipe Managers2.05/4/2015
KB84755In groov View, illegal address error or incorrect string may appear in Modbus tag 1.05/4/2015
KB84754Out-of-range Modbus tag address causes groov to freeze1.05/4/2015
KB84457groov usernames and passwords cannot include special characters (%, &, etc.)2.05/4/2015
KB84398In groov Build, tags from PAC controllers running the same strategy are indistinguishable from each other2.05/4/2015
KB84235Timeout may occur when trying to log into groov1.05/4/2015
KB84732PAC Display Runtime: Buttons and combo boxes touching other dynamic graphics may cause a crash or odd behavior2.04/30/2015
KB84730OptoDataLink conditions stop working2.04/30/2015
KB84735SoftPAC waits forever to receive a string2.04/29/2015
KB84713Missing incompatible project warnings in groov1.04/29/2015
KB83183OptoDataLink doesn't work with DSN (Data Source Name)2.04/24/2015
KB84706PAC Control: cannot configure a Communication Handle by right-clicking the folder in Strategy Tree2.04/24/2015
KB84717OptoDataLink: Unable to get a single element from a table into MySQL2.04/24/2015
KB84700Invalid Address message when modifying a controller definition1.04/24/2015
KB82545Unable to step out of a subroutine when debugging in PAC Control3.04/24/2015
KB84629EtherNet/IP Configurator: cannot add assemblies if unit type is G4EB22.04/24/2015
KB84699PAC Display Runtime Basic: Tags do not update from a reconnected device2.04/24/2015
KB84696Message Queue doesn't propagate from active to backup redundant controller1.04/17/2015
KB84682SuperTrends do not start until after the first PAC Display Allowed User logs in2.04/17/2015
KB84680Windows Exception Fault when inspecting a point in PAC Manager2.04/17/2015
KB84669groov logo flashes when switching from groov Build to groov View even though logo is turned off2.04/17/2015
KB84663PAC Display graphic security does not correctly check for users in Global Operator defined groups2.04/13/2015
KB84662PAC Display secured operator-driven attribute executes with an invalid or blank password1.04/13/2015
KB84610Vulnerability in OPC Test Client1.04/7/2015
KB84657PAC Control command UnpackString does not compile in OptoScript block1.04/2/2015
KB84656PAC Control hangs when importing a chart with a comm handle; comm handles missing when selecting variables; subroutine parameters may be missing1.04/2/2015
KB84652PAC Control: New chart or subroutine files not found when creating a strategy archive or opening the strategy1.03/31/2015
KB84628Overlapped text in help dialog box in PAC Display Runtime Pro1.03/27/2015
KB84634HART protocol input module stops receiving HART responses2.03/27/2015
KB84591E1/E2 brain board may be unresponsive after changing IP settings1.03/24/2015
KB84552Windows Exception Fault when inspecting a point in PAC Control2.03/12/2015
KB84524Unused points on E1/E2 brains can be read and written to1.02/18/2015
KB84523Unused points on E1/E2 brains can be configured1.02/18/2015
KB84470groov Build: Modbus array sizes are not dynamically updated when changed2.02/10/2015
KB84440PAC Display historical logging does not show configured quotes in string table log entries1.02/5/2015
KB84434Heap buffer overrun vulnerability in OptoOPCServer may allow remote code execution1.02/5/2015
KB84432groov App: Can't turn on/off digital output point using Modbus communication in groov1.02/2/2015
KB84428E1/E2: Host and Domain Names cannot be edited1.01/27/2015
KB84426E1/E2: DNS Server cannot be set when brainboard has a static IP address1.01/27/2015
KB84424PAC Display: Changing the name of a Historic Log produces a copy1.01/27/2015
KB84423After groov R2.3a or R2.3b upgrade some gadgets produce tag not configured error1.01/27/2015
KB84417groov may become unresponsive, you may be unable to login, or a login timeout occurs1.01/27/2015
KB84419groov Advanced Configuration settings for TRACE logging cannot be disabled once enabled1.01/22/2015
KB84418groov Video gadget URL does not update when a proxy is set unless you save & switch to groov View2.01/22/2015
KB84171Proxy setting for groov Video gadget does not work when security is enabled on IP camera1.01/22/2015
KB84411PAC Display: Find Tag returns only the first letter of the object location1.01/19/2015
KB84404Some OptoMMP commands to E1/E2 brain boards do not return appropriate error1.01/19/2015
KB84406groov: if smooth lines are chosen for a trend gadget, the gadget may not show data1.01/19/2015
KB84390groov trends used with tables read only index 02.01/15/2015
KB84260In groov View for Android on a Samsung device, cannot input characters or text 1.01/15/2015
KB84389In groov, Modbus writes don't take array indexes into account2.01/15/2015
KB84302When groov password is mistyped the "Create groov Build Account" indicator remains spinning1.01/15/2015
KB84373groov: Cannot clear NaN error received when using the trend gadget1.01/9/2015
KB84347PAC Control Move Table to IO Unit command updates disabled points on G4EB2 I/O unit2.01/9/2015
KB84339SoftPAC Monitor always reports 0 charts running and 0 messages1.01/9/2015
KB84335OptoScript compiler error when directly indexing a string table from a numeric table2.01/8/2015
KB84334Find & Replace Tag in subroutine replaces substring globally rather than locally1.01/8/2015
KB84327PAC Display Runtime may crash on startup1.012/24/2014
KB84322Wrong version of SoftPAC may appear after installing multiple versions of PAC Project2.012/24/2014
KB84293OptoDataLink crashes on data change with error code 800700061.012/19/2014
KB84297groov: CA-signed SSL certificate generated by groov SSL certificate utility cannot be installed1.012/18/2014
KB84292groov Server for Windows cannot be accessed via localhost or IP address
KB83981PAC Control Pack String/Unpack String commands may return incorrect or no data2.012/18/2014
KB84278File "find" COM handle command may return erroneous results2.012/10/2014
KB84276PAC Control "Convert IP Address String to Integer 32" command may return an invalid value2.012/10/2014
KB84262Using SNMP, only the first 4 points of an analog module are accessible1.012/10/2014
KB84261PAC Display Configurator may crash when configuring trigger-based recipes1.012/10/2014
KB84193Reverting to an earlier version of groov may leave "groov is Loading..." message on screen indefinitely1.012/10/2014
KB84189Message Viewer > Clear All button displays error in PAC Control and PAC Terminal1.012/10/2014
KB84137PAC Control: Set Time Zone command may set the zone incorrectly1.012/10/2014
KB84142PAC Control: Send Email command through Gmail returns an error1.012/10/2014
KB84166PAC Control: Chart or host task using command Synchronize Clock SNTP may become unresponsive1.011/10/2014
KB84118SNAP-AIR400K-8: Temperature reading may go to -32768 during a rapid change in temperature1.011/10/2014
KB84102SNAP PAC controller or brain resets when streaming over WLAN interface2.011/7/2014
KB84088Erroneous configuration of HART TCP ports in HART Developer Toolkit1.011/7/2014
KB84087PAC Manager may hang when downloading configuration file (OTG file) if file is corrupted1.011/7/2014
KB84158PAC Display Runtime may crash on startup if alarm points are in alarm state1.011/6/2014
KB84157PAC Display Runtime may only show one alarm point in an alarm graphic1.011/6/2014
KB84141PAC Display crashes opening a project if project names are too long1.011/6/2014
KB84084SNAP-AOV-27 initially outputs -10 VDC when I/O rack is powered up1.011/5/2014
KB83970PAC Control append to file on microSD card overwrites file instead1.011/5/2014
KB84092Timeout error (-39) occasionally returned on SNAP PAC serial ports1.011/5/2014
KB84085PAC Control Unpack String command may fail without error if source string data is too short1.011/5/2014
KB84076Filenames longer than 31 characters on microSD card are displayed incorrectly1.011/5/2014
KB84017Invalid Memory Map Address error when using SoftPAC as a Generic MMP Device with a redundant controller1.011/5/2014
KB84134Serial communication module in rack position 15 may drop a packet1.011/4/2014
KB83999More than the maximum 31 host connections may cause control engine to become unresponsive1.011/3/2014
KB83998SNAP PAC controller with microSD card inserted may fail to configure I/O on a restarted I/O unit1.011/3/2014
KB83964PAC Control: Email time stamp puts seconds in place of minutes1.011/3/2014
KB83962PAC Control: SNAP-BRS or G4D32RS brain fails to initialize2.011/3/2014
KB84006groov View for iOS: Removing passcode option from connection does not clear passcode1.011/3/2014
KB83948groov View for iOS is missing Delete groov connection option on iPad1.011/3/2014
KB84164PAC Display Runtime may crash if a window is configured to close and there are reads / writes in progress1.010/31/2014
KB84163'Text In from Control Engine' Discrete On and Off text fields only display first character1.010/31/2014
KB84162Configurator crashes after re-configuring Discrete On or Off text1.010/31/2014
KB84126PAC Display Runtime may crash on exit1.010/31/2014
KB84098The groov logo cannot be hidden in groov View mode on MAC OS and mobile iOS devices1.010/28/2014
KB83943Configure Devices and Tags dialog is limited to 50 devices1.010/28/2014
KB84129PAC Display Configurator may crash when loading tables1.010/28/2014
KB84128The 'Text in from the control engine' dynamic attribute may display non-text characters1.010/28/2014
KB84121PAC Display Configurator strips window passwords when upgraded from 9.3 to 9.41.010/28/2014
KB84117PAC Display Configurator crashes in the Configure Pop Windows dialog box1.010/28/2014
KB84113PAC Display Runtime may show placeholder symbol (#) instead of the current Discrete on/off text1.010/28/2014
KB84112SuperTrend File Logging location changes to 'Use project directory'1.010/28/2014
KB84111Historic Logs dialog allows multiple selections1.010/28/2014
KB84110PAC Display Configurator View > TagInfoView does not work1.010/27/2014
KB84073PAC Display Runtime may not handle consecutive discrete toggles correctly1.010/23/2014
KB84004PAC Display Runtime Discrete Toggles fail if combined with other attributes1.010/23/2014
KB83940PAC Display Runtime memory usage increases with historic logs1.010/23/2014
KB82824Alarm point configuration may not always show digital input points3.010/23/2014
KB83835If incorrect syntax is used when referencing tables in OptoScript, the controller becomes unresponsive on the host port, or the controller resets, or a -16 Bus Error appears in the error queue4.010/20/2014
KB83706Controller may lock up if serial chart is suspended1.010/20/2014
KB83684Objects disappear from the Desktop & Tablet window in groov Build1.010/20/2014
KB83081PAC Control chart or strategy may fail to stop or controller may time out when chart is stopped1.010/16/2014
KB83047SoftPAC: Send Communication Handle Command returns "not implemented" error with RMDIR1.010/16/2014
KB83042Get I/O Unit As Binary Value may return wrong data when using background downloads with Mistic I/O1.010/16/2014
KB83012PAC Control strategy may not stop until the STOP button is pressed twice1.010/16/2014
KB83008Controller may reset under special circumstances1.010/16/2014
KB83587 PortInUse error appears when installinggroov Server for Windows1.010/16/2014
KB83517groov View for iOS crashes when dismissing 'Unable to connect' dialog box1.010/16/2014
KB83467groov becomes sluggish with more than 50,000 OPC-UA tags1.010/16/2014
KB83110Performing a background download in PAC Control while running a strategy with subroutines may cause the controller to reset1.010/16/2014
KB82866Transmit Pointer Table command posts -29 error for persistent string1.010/15/2014
KB81203SET TIME DELAY command does not work with an E1 brain board1.010/15/2014
KB83924In iOS groov View, editing a non-active connection returns to the active web page1.010/15/2014
KB84091When 'Exact Text' is selected on the Find and Replace Dialog Box in PAC Display Configurator, only the 'Everywhere' option is available1.010/13/2014
KB84090Using the Exact Text option in the PAC Display Find and Replace dialog box may cause PAC Display to hang1.010/7/2014
KB84083PAC Display may not correctly validate passwords1.010/7/2014
KB84082groov affected by the Shellshock bug in Bash1.09/29/2014
KB84064Brackets are stripped from string data when downloading recipes in PAC Display1.09/26/2014
KB84051SNAP PAC brain continuously resets on powerup1.09/26/2014
KB84041SoftPAC Scratch Pad doesn't work with PAC Display1.09/26/2014
KB84022E2 may incorrectly report underrange Optomux counts1.09/26/2014
KB84013E1 and E2 respond more slowly than B1 and B2 to Optomux commands1.09/26/2014
KB83972Storing SNAP PAC controller firmware to flash using microSD may fail1.09/26/2014
KB84020Controller becomes unresponsive when the value of a serial PID is changed while inspecting the PID in PAC Control in Debug mode1.09/26/2014
KB84078PAC Display Configurator 'More Windows ...' dialog only shows the first letter of window names1.09/25/2014
KB84077Opening an earlier PAC Display project in Runtime R9.4a may incorrectly show 'No Data Source Configured' message1.09/25/2014
KB84074OPC triggers and sinks don't update values to an Opto 22 Device1.09/24/2014
KB84016The Trend gadget displays the time for the device accessing groov rather the time for the groov Box location1.09/23/2014
KB84045A groov App security issue was identified and corrected1.09/19/2014
KB83816Windows tray icon for groov Monitor disappears1.09/17/2014
KB83759groov View for Android app may crash when using the back button after a failed connection1.09/15/2014
KB84010groov View gear menu does not resize properly with browser window2.09/15/2014
KB83992groov View cannot connect to a OPC-UA server after the network connection is lost and then recovered1.09/15/2014
KB83979groov Server for Windows installation fails when trying to install the groov User's guide1.09/9/2014
KB83916Cannot configure which DHCP server to obtain DNS or Gateway settings from1.09/9/2014
KB83360SoftPAC Monitor does not auto-display when configured to do so on Windows 81.09/9/2014
KB83295I/O unit name change not allowed when only correcting upper/lower case1.09/9/2014
KB81322Sending binary data in event message may produce unexpected output1.09/9/2014
KB83986SNAP-PAC-R1 controller may fail to boot from microSD card and restart1.09/9/2014
KB83137SNAP-AIR400K-8 missing in EtherNet/IP Configurator1.09/9/2014
KB82957PID loop output data destination incorrect if digital TPO point is used1.09/9/2014
KB82498E2 shows incorrect counts in OptoMMP protocol for AD20 rate (frequency)1.09/9/2014
KB82173Default Host Name corrupted in E1 or E2 memory map1.09/9/2014
KB83716B3000-B Mistic brain reports 4-20 mA input signal outside the module's accuracy specification1.09/9/2014
KB83849The old user is still logged into groov Admin after changing the username and password1.09/9/2014
KB83749Invalid DNS configuration or unavailable DNS delays groov Admin responses by 20 seconds1.09/9/2014
KB83784groov may become inaccessible with a link-local connection when network interface settings are changed1.09/9/2014
KB84007In groov View on a mobile Android device, the gear symbol menu only displays the Refresh groov View option1.08/29/2014
KB84000A popup in groov R2.2a says that an older project is not compatible1.08/29/2014
KB83563Applications using the OptoOPCServer erroneously report "Bad Quality" when no tag data or system failure has occurred1.08/29/2014
KB84011Optomux command B takes longer to execute on E2 than B21.08/29/2014
KB83453When OptoDataLink is set up to log one time, it logs at the interval time2.08/29/2014
KB82508With E2 brain, PAC Manager shows DA6 configuration offset by -5V1.08/29/2014
KB82626E2 brain may output full scale at bootup1.08/28/2014
KB83667E1 and E2 brains: Some configured values not stored to flash1.08/28/2014
KB83912E2 brain incorrectly implements Set Temperature Probe Type command (k)1.08/28/2014
KB83965E1 brain handles the n Timer resolution command differently than the B1 does1.08/28/2014
KB83976E2 Brain uses half counts for DA4, DA4T, and DA6 modules1.08/28/2014
KB83881Analog module point configuration not stored to flash correctly with I/O Unit Import/Copy Utility1.08/25/2014
KB83821Long name passed to "Get Pointer From Name" can cause controller reset1.08/25/2014
KB83607Configuration fails when adding more than 8 IDC5Q modules on a SNAP PAC EB-series brain1.08/25/2014
KB83529Opto aPAC does not show a value for a digital input configured as a counter when accessing a brain directly1.08/25/2014
KB83798Improperly formed Ethernet connection string may prevent opening a connection to the host port1.08/25/2014
KB83987Loading a strategy from microSD to controller flash memory may fail1.08/25/2014
KB83085A SNAP-AIR400k-8 Analog module is listed in the digital point category in Opto iPAC and Opto aPAC1.08/25/2014
KB83292groov Admin keeps the default username when a login is created1.08/15/2014
KB83009Cannot automatically generate a Certificate Signing Request (CSR) in groov Admin1.08/15/2014
KB83602A wireless connection to a groov Box will not work if Encryption Type is set to None1.08/15/2014
KB83984'setpos' command ignores the right-most character of the command1.08/15/2014
KB83796In PAC Control, adding message to queue with blank description causes problem with error queue1.08/14/2014
KB83163SNAP PAC controller or brain continuously resets after saving large user files to flash1.08/11/2014
KB83975groov Box loses static IP address1.08/4/2014
KB83966Cannot access my groov Box via the hostname1.07/31/2014
KB83959Backing up a groov project before saving prompts window to save all changes but does not back up1.07/30/2014
KB83954If OPC-UA server is unavailable, updating static tags and switching to groov View may cause freeze1.07/30/2014
KB83953Scroll bars in groov Build workspace do not work properly1.07/30/2014
KB83952Grayed-out tags in the groov Build tag browser can be assigned to incorrect gadgets1.07/30/2014
KB83947Slider gadget doesn't work using a touch screen with Internet Explorer 111.07/30/2014
KB83209Value Limits for gadgets cannot handle very large numbers1.07/29/2014
KB83950Gadgets don't render properly in Chrome version 361.07/29/2014
KB82868In PAC Control, during the "initialize I/O unit" phase (just after clicking run), the "cancel" button doesn't work1.07/9/2014
KB83584The Network Info dialog box for groov Server Monitor is blank1.07/9/2014
KB83680Entire multi-select group is de-selected in groov Build when you click outside a gadget boundary1.07/9/2014
KB83935"Error Opening Output File" response while attempting to update Firmware in SoftPAC1.07/3/2014
KB83929Updating SNAP PAC Controllers to Use microSDHC Cards1.07/1/2014
KB83225qNaN on analog output module causes groov error1.07/1/2014
KB83397Graph gadget does not properly display error or warning icons1.07/1/2014
KB83825Groov silently enters trial mode after groov has started1.07/1/2014
KB83690Internet Explorer 10 and 11 behaviors affect groov on an Intranet1.07/1/2014
KB83558Can't enter IP Address with 3 digits when configuring Event Message1.07/1/2014
KB83888Controller may return a "Dictionary Full" error when memory is low1.06/27/2014
KB83708PAC Control: EOM terminator is ignored when receiving strings via UDP1.06/27/2014
KB83675COM handle value can be changed while the handle is open1.06/27/2014
KB83670SoftPAC Monitor does not auto-start on Windows 81.06/27/2014
KB82163SNAP PAC controller secured with SSD may reboot during startup2.06/27/2014
KB83610Communication to mistic I/O units erroneously disabled by error in PAC Control1.06/26/2014
KB83648Move Table to I/O Unit does not set digital output IVALs for 4-channel modules when communication is disabled to I/O unit1.06/26/2014
KB83545Inspecting Digital Point or Point Config Pages and using Auto Refresh may eventually cause PAC Manager to crash1.06/26/2014
KB83727Nagle's algorithm is enabled in PAC Control TCP/IP communication handles1.06/25/2014
KB83527Configuring trigger #2 on the Digital Events Expanded page doesn't stick1.06/25/2014
KB83682OptoOPCServer high CPU usage1.06/25/2014
KB83844PAC Display Runtime projects with more than 1296 SuperTrends crash when opening historic SuperTrend file list1.06/25/2014
KB83824PAC Display Runtime tooltips aren't working properly on some Windows 7, 64-bit computers1.06/25/2014
KB83725Error (-434) when trying to read controller's message queue1.06/24/2014
KB83645Some groov responses delayed up to 30 seconds1.06/9/2014
KB83894groov Box is vulnerable to a man-in-the-middle attack1.06/9/2014
KB83307Error messages may not disappear after range problems have been fixed1.06/4/2014
KB83429groov App password reset does not work for account holder1.06/4/2014
KB83448After creating or uploading groov SSL certificates, back button leads to broken pages1.06/4/2014
KB83468Loading Tags dialog box stuck after changing user password and logging out1.06/4/2014
KB83470groov gadgets cannot immediately write values after connection to a PAC has been lost and restored1.06/4/2014
KB83521Page navigator gadget does not work with default Android browser1.06/2/2014
KB83569Changes to a groov dynamic tag's namespace index are not immediately shown1.06/2/2014
KB83655Anti-virus software may cause groov video gadgets to become unresponsive1.06/2/2014
KB83661Numeric keypad does not work in some text input boxes for groov gadget properties1.06/2/2014
KB83665groov gadget text in Internet Explorer 11 does not stay within the gadget's window box boundry1.06/2/2014
KB83668groov Admin upgrades do not work in Internet Explorer 111.06/2/2014
KB83686Slider and checkbox return to current value during confirm prompt1.06/2/2014
KB83687Slider confirm prompt appears when continuous attribute is enabled1.06/2/2014
KB83848OptoOPCServer is not scanning TPO_PERCENT and TPO_PERIOD1.05/21/2014
KB8386319 Slow Red Blinks on SNAP-PAC-S21.05/21/2014
KB83546Extended Device Failure Event1.05/21/2014
KB83357Items added to a group as inactive might have VT_EMPTY for the data type when activated1.05/20/2014
KB83245An archived PAC Control strategy gives a "Compile error: Cannot open file" when downloading the strategy in a different location2.05/20/2014
KB83836Under certain conditions groov may fail to import a PAC Control strategy1.05/14/2014
KB83753Can't log in if the time on groov box or server is earlier than the creation time of the user account2.05/1/2014
KB83656PAC Display Runtime SuperTrends not correctly force-logging when in Historic Mode1.04/30/2014
KB83808B1 and B2 End-of-Life Possible Migration Issues1.04/30/2014
KB83807B1 and B2 End-of-Life Migration Path1.04/30/2014
KB83721Pressing Enter or OK multiple times when changing the password in groov Build causes an error1.04/29/2014
KB83720Update Strategy Succeeds Once For Each idb.txt1.04/29/2014
KB83712Text Input write errors are not clearable1.04/29/2014
KB83729ComboBox Discrete Toggle crashes PAC Display Runtime1.04/25/2014
KB83410Alarm persistence rounded down to nearest minute1.04/25/2014
KB83412PAC Display Runtime may become unresponsive if alarm points show message dialog1.04/25/2014
KB83793PAC Display does not correctly open project files from version R9.0d1.04/25/2014
KB83764PAC Display Runtime 'Windows' Operator Driven attribute may cause crash1.04/24/2014
KB83763PAC Display Runtime 'Windows' Operator Driven attribute reverses window operation order1.04/24/2014
KB83751PAC Display Configurator find and replace "Exact Text" is not case sensitive in Label graphics1.04/24/2014
KB83750Label text changes to all lowercase when performing a Replace Tag in PAC Display Configurator1.04/24/2014
KB83657PAC Display Configurator may crash when configuring Snapshots1.04/24/2014
KB83650SuperTrend log files do not contain force-logging entries when a SuperTrend is closed or minimized1.04/24/2014
KB83609PAC Display Runtime may not write values if Window Output Dynamic Attribute is set1.04/24/2014
KB83592PAC Display Runtime crashes during or shortly after startup1.04/24/2014
KB83561PAC Display security not properly allowing Global Operator Access to dynamic attributes1.04/24/2014
KB83559PAC Display Configurator Pro may crash when creating a recipe file with an OptoControl strategy file (.cdb)1.04/24/2014
KB83162Server SSL certificates are not verified by control engine1.04/18/2014
KB83762groov Admin affected by OpenSSL Heartbleed bug1.04/9/2014
KB82408Redundant table fails to initialize using a download-after-strategy file1.04/9/2014
KB83537groov Server for Windows may have a conflict on port 4431.04/8/2014
KB83535The SSL certificate utility that is part of groov Server for Windows crashes1.04/8/2014
KB83562No error message if wrong password entered for restoring project in groov Server for Windows1.03/27/2014
KB83595Modbus/TCP unsupported function codes return erroneous packets1.03/17/2014
KB83329I/O unit Watchdog, once enabled, won't disable1.03/14/2014
KB82781Network LED Dimmer using Optomux or Modbus protocol may become unresponsive 1.03/13/2014
KB82899When SoftPAC starts strategy on Windows boot, I/O units may not be initialized1.03/13/2014
KB83710Reimporting a strategy in groov Build resets the controller's port to 11.03/12/2014
KB83707Groov Server Fails to validate license file and reports a "Date provided was invalid" error1.03/11/2014
KB83036Email messages sent from PAC Controllers are missing the date field1.03/10/2014
KB82015A communication handle open to a serial module becomes unresponsive1.03/10/2014
KB83358Unable to communicate from PAC Project software on Windows 8 computer to SNAP PAC controllers1.03/10/2014
KB81803 Strategies with FTP communication handles may become unreachable via Ethernet1.03/10/2014
KB81520Error can leave some tags in an unknown or unexpected state1.03/7/2014
KB81518Task count out of sync with actual running tasks1.03/7/2014
KB83323Using On-Pulse or Off-Pulse as watchdog may fail1.03/7/2014
KB83303Controller may reset when performing SNTP sync1.03/7/2014
KB83280Digital Counter on B3000 / B3000-B is cleared whenever communication from PAC controller to brain is enabled1.03/7/2014
KB81275Point type not displayed correctly in iPAC and aPAC1.03/7/2014
KB83272Start Chart may fail when maximum number of charts are running1.03/7/2014
KB83255I/O is not enabled on redundant systems under certain conditions1.03/7/2014
KB81191Firmware download may fail if data is streaming into controller serial port1.03/6/2014
KB83614groov View for iOS version 2.20 crashes on startup on iPads running iOS 6 and earlier1.02/6/2014
KB83568Control engine resets1.02/6/2014
KB83285SoftPAC host port may become unresponsive1.01/17/2014
KB82531Quadlet writes to the memory map of SoftPAC may fail1.01/17/2014
KB82456SoftPAC (and PAC Sim) may become unresponsive with a large number of charts1.01/17/2014
KB81827Non-English characters may rotate 90 degrees in PAC Display1.012/20/2013
KB81694PAC Display Runtime reports "SetActiveState failed" error1.012/20/2013
KB83368Text Input does not always show the error icon1.012/20/2013
KB82250Opto iPAC has issues reading and writing to string tables1.012/20/2013
KB83326iOS groov View app does not correctly bypass login dialog for groov Server1.012/20/2013
KB83293Applying security updates in groov Admin prevents groov Admin from loading groov App updates or restoring to defaults1.012/19/2013
KB83259Error during setup process after groov is restored to default settings1.012/18/2013
KB83289PAC Display Configurator: Regenerate Scanner Tag command misses file rollover trigger1.012/13/2013
KB83089PAC Display replace table index not working1.012/13/2013
KB83011PAC Display Runtime Historic Log may log too many entries when start trigger and number of samples are used1.012/13/2013
KB82968PAC Display Runtime may hang when using alarm point message dialog boxes1.012/13/2013
KB82998Range Indicator gadget cannot be re-sized in vertical mode1.012/11/2013
KB82988iOS groov app crashes immediately for some versions of iOS1.012/10/2013
KB82987Deleting the current user account does not automatically logout the user1.012/10/2013
KB82986Range Indicator has missing value in range1.012/10/2013
KB83015PAC Manager - Incorrect output point in list of PIDs1.012/10/2013
KB82971groov Admin does not create a self-generated Certificate Signing Request1.012/10/2013
KB83003PAC Manager two-point analog calibration doesn't work with all points on some modules1.012/10/2013
KB82936SYS LED stops blinking before groov App is accessible1.012/10/2013
KB82956The welcome screen does not appear when groov is started the first time1.012/10/2013
KB83290Internet Explorer 10 does not display groov properly1.012/4/2013
KB82958PID loop output data destination incorrect if TPO point is used 2.011/1/2013
KB83187Sending repeated values from PID control does not work in PAC Display Runtime1.010/29/2013
KB83174Multiple PID buttons may not work correctly in PAC Display Runtime 1.010/29/2013
KB83171PAC Display Configurator Basic generates incorrect scanner tag names for IO points on serial brains1.010/29/2013
KB83079Historic SuperTrend dialog displays wrong files1.010/28/2013
KB83075 SuperTrend pen configuration dialog shows incorrect Max or Min Value1.010/28/2013
KB83044Multiple Send Discrete toggles on same graphic in PAC Display Runtime may cause crash or no action 1.010/24/2013
KB83346Opening FTP sessions in multiple charts may cause controller to reset1.010/18/2013
KB83324Opening an OptoDisplay project with the FAC2PAC conversion utility crashes FAC2PAC1.010/11/2013
KB83046PAC Display Runtime - Multiple Simultaneous trigger-based Recipe Downloads may fail1.010/11/2013
KB82628Trigger-based recipe uploads may fail1.010/11/2013
KB82847Mistic PID Auto flag (and others) not updating IVALs1.010/11/2013
KB82705I/O Unit and I/O points power up with default settings when the I/O unit is reset1.010/10/2013
KB82450Opto iPAC on iOS6: screen is cropped and unresponsive1.010/8/2013
KB82403Opto iPAC/aPAC apps don't show data from SoftPAC controller1.010/8/2013
KB82778LED-SPCV-LV100W Optomux Protocol PUC error1,010/8/2013
KB82618aPAC app can't change E1 digital output1.010/8/2013
KB83238Applying security updates in groov Admin prevents access to groov App1.010/8/2013
KB83140When configuring WLAN on groov Box, spaces in SSID cause Box to become unresponsive1.010/8/2013
KB83281Cannot communicate over Ethernet after restoring the groov Box1.010/3/2013
KB83168Runtime and computer can become unresponsive when Runtime cannot connect to scanner1.09/10/2013
KB83242groov Admin configuration restart button restores to defaults instead of restarting2.09/5/2013
KB82989SoftPAC: Error received, "A referral was returned from the server" 1.09/5/2013
KB83223Manually deleting the project.grv file for groov Server causes a browser error1.08/30/2013
KB83190Project will not load if a link contains an invalid file path1.08/30/2013
KB83172AsyncRead of tables or strings causes OptoOPCServer to crash when using the OPC 1.0 interface1.08/30/2013
KB83133Triggered Historic logs scan very slowly1.08/30/2013
KB83228groov Admin SSL error occurs after restoring groov to defaults1.08/20/2013
KB83220Cannot load or re-load a license file after initial setup1.08/14/2013
KB83135OptoOPCServer crashes when using OPC 1.0 interface1.07/30/2013
KB82632PC reboot causes SoftPAC or PAC Sim to lose autorun, persistent variables, time zone1.07/30/2013
KB82682Pulse commands may stop working3.07/29/2013
KB82872groov App is no longer accessible after a self-signed certificate is created in groov Admin1.05/2/2013
KB82856Range indicator gadget displays units even when value is not shown2.04/30/2013
KB82937groov does not display "welcome to groov" window and does not restore to defaults2.04/29/2013
KB82938Clicking on Page Navigator link to hidden page changes displayed window1.04/24/2013
KB82014Serial I/O units on same controller port may time out4.04/1/2013
KB82126Cannot FTP file from host to client PC with SNAP PAC Sim2.04/1/2013
KB82417Mistic PID loop may not be properly initialized2.04/1/2013
KB82420Unexpected count value read from SNAP-SCM-SSI2.04/1/2013
KB82439Controller does not enable G4D32RS I/O units2.04/1/2013
KB82463'Move Numeric Table to I/O Unit' may not set all output points correctly2.04/1/2013
KB82464Cannot enable I/O Unit and error -93 appears in queue2.04/1/2013
KB82469Persistent string table data lost with strategy download2.04/1/2013
KB82480HTTP Get command returns -20 error on second and subsequent calls2.04/1/2013
KB82492'Write Numeric Table to I/O Unit Memory Map' command returns -3 error2.04/1/2013
KB82533HttpGet command returns error -4432.04/1/2013
KB82631Repeated 'Start Continuous Square Wave' commands immediately restart the square wave2.04/1/2013
KB82633SoftPAC may crash if a large string table is viewed in Debug mode2.04/1/2013
KB82643Background downloading may cause unexpected behavior from controller2.04/1/2013
KB82662PID loop 'Enable Communication' option does not work correctly2.04/1/2013
KB82765'Move Table to I/O Unit' Turns off G4EB2 Input IVALs2.04/1/2013
KB82145'Open Outgoing Communication' command ignores some user-specified timeout values2.04/1/2013
KB82046Using a literal string for URL with HTTP POST or HTTP GET commands may cause reset2.03/27/2013
KB81997Controller sync of Time/Date may cause reset5.03/26/2013
KB82768Reading from a file on the control engine opened for writing may fail1.03/25/2013
KB82221SNAP Module Resets Causes Re-Config Storm1.03/22/2013
KB81517Chart count out of sync with actual number of running tasks on a controller3.03/22/2013
KB81790SNAP PAC Simulator should return -36 for Send Email commands2.03/22/2013
KB81888Ethernet sessions unexpectedly closed2.03/22/2013
KB81903Multiple clients opening and closing sessions may cause delayed response to new sessions2.03/22/2013
KB81908'Send Email With Attachments' command result code may be incorrect2.03/22/2013
KB81916Multiple tasks opening and closing serial COM handle may cause reset or chart lockup3.03/22/2013
KB81979Problems with NTP Time & Date commands2.03/22/2013
KB82635One time trigger in OptoDataLink continues to record data2.02/6/2013
KB82277Opto Browser Configurator may crash when importing large files1.02/5/2013
KB82661Incorrect error message when attempting to upload firmware to an unresponsive IP address1.02/4/2013
KB82676Modbus Calculator Error in PAC Manager1.02/4/2013
KB82160Error returned by Modbus/TCP 'Force Multiple Coils'2.01/24/2013
KB82443SNAP-AIRTD Generic Input resistance (ohm) measurement needs additional calculations1.01/22/2013
KB82257Down Timers May Fail To Expire2.01/16/2013
KB81902PIDs not enabled on redundant systems2.01/16/2013
KB82001'Move Numeric Table to I/O Unit' may cause controller reset2.01/16/2013
KB82006FTP communication handles do not support DNS2.01/16/2013
KB82016SNAP-AITM-4i displays intermittent or continual QNAN data3.01/16/2013
KB82023'HTTP Get' command incorrectly returns HTTP error 4002.01/16/2013
KB82086The 'Get Time & Date' command always returns 0 ms2.01/16/2013
KB82106SNAP PAC Sim may return error -592.01/16/2013
KB82134'Synchronize Clock SNTP' does not work on SNAP PAC Sim2.01/16/2013
KB82146'Receive N Characters' returns -39 if number of characters is negative2.01/16/2013
KB82147'Enable/Disable I/O Unit Causing Current Error' may cause bus error2.01/16/2013
KB82157'Move Numeric Table To I/O Unit' only writes to position 0, high-density digital module2.01/16/2013
KB82167Some analog/digital commands ignore disabled point state2.01/16/2013
KB82176Passing string table element to subroutine with string tables may cause unexpected results2.01/16/2013
KB82177Setting controller FTP Username and Password may cause remote FTP connection to fail2.01/16/2013
KB82178Serial B3000 Event/Reaction scanning enabled only on first strategy run2.01/16/2013
KB82226Wrong status code from 'Synchronize Clock SNTP' command2.01/16/2013
KB82227Multiple 'Synchronize Clock SNTP' commands may fail2.01/16/2013
KB82244SNAP PAC Sim may transmit or display unexpected 32 or 64-bit values2.01/16/2013
KB82299Variables configured to 'Initialize On Download' are not backed up on redundant systems1.01/4/2013
KB82601Strategy in microSD card does not run if named the same as controller strategy1.012/27/2012
KB82615Window open/close attributes do not work if a Send Value attribute times out1.012/21/2012
KB82611Re-enabled hidden pens are not listed in the Active Pen drop-down list1.012/21/2012
KB82603ComboBox configuration does not trigger a window to open1.012/21/2012
KB82600Rotating a graphic may incorrectly display a scaling message1.012/21/2012
KB82564Windows with alarms may not be closed after PC wakes1.012/21/2012
KB82550Up and down arrow buttons cause OptoDataLink to crash1.012/20/2012
KB82109B3000-B responds incorrectly to incomplete messages1.012/20/2012
KB82108No response from B3000-B after receiving invalid command1.012/20/2012
KB81671I/O Unit Hardware Revision displayed for E1 and E2 is always 2005-05-051.012/20/2012
KB82333E1 and E2 does not acknowledge a Power-up Clear (PUC)1.012/19/2012
KB81320The Message Queue window has trouble on slow or poor networks1.012/19/2012
KB81946Many "Access denied" error messages from OptoVersion1.012/19/2012
KB53295New RTC in SNAP-LCM4 and SNAP-LCSX controllers affects firmware compatibility2.012/19/2012
KB82476The 'depending on' Database value not always detected1.012/18/2012
KB82421Incorrect wiring diagram on SNAP-PAC-SSI module case1.012/14/2012
KB82158OptoOPCServer fails after adding new tags2.011/21/2012
KB82125Problem with 'Get and Clear' dynamic attribute for latches in PAC Display Runtime3.011/21/2012
KB82183SuperTrend data is not displayed when window is opened2.011/21/2012
KB82449Runtime Pop-up Tooltips disappear in Pac Display Runtime2.011/21/2012
KB82409Multiple 'Fixed data - Direct' dynamic attributes have no effect2.011/21/2012
KB82434Some windows may be off-screen after switching from multiple monitors to a single monitor2.011/21/2012
KB82418Text changes to Button graphic label are not saved2.011/21/2012
KB82442Clicking Forward buttons on Historical SuperTrend may cause floating point exception2.011/21/2012
KB82430Rotated Bitmaps displayed incorrectly in PAC Display Runtime2.011/21/2012
KB82389Imported Windows with grouped objects not assigned selected control engine2.011/21/2012
KB82377Incorrect SuperTrend Y-axis labeling2.011/21/2012
KB82419Opening PAC Display Basic project in Pro results in missing windows2.011/21/2012
KB82402Modbus Calculator Register address is incorrect2.011/21/2012
KB82499Runtime scans SuperTrend at startup even if scanning is disabled1.011/20/2012
KB82320Problems saving OptoDataLink files to network drive1.011/20/2012
KB82305The 'Tab' key moves through the OptoDataLink dialog backwards1.011/20/2012
KB82404Spaces in column and table names in OptoDataLink cause problems1.011/20/2012
KB82362Incorrect or missing messages if an OptoDataLink database connection fails1.011/20/2012
KB82274Blank Data Source Name (DSN) drop-down list1.011/20/2012
KB81913"Enable I/O Unit" overwrites replicated MMP PID tuning parameters on Redundant Systems1.011/14/2012
KB82517Incorrect controller firmware version shown in Debug mode1.011/14/2012
KB81793Session connection to controller may take several seconds1.011/5/2012
KB81962The PAC Control HTTP commands may return wrong error when connection fails1.011/1/2012
KB82012Redundant system cannot start up without arbiter1.011/1/2012
KB82124Cannot 'Listen for Incoming Communication' on same port for both UDP and TCP sessions1.011/1/2012
KB52396How to determine if the soldered battery in a controller needs replacement3.010/31/2012
KB82101Updating to firmware 9.2c or higher may fail on SNAP-PAC-R controllers8.010/25/2012
KB82326Cannot add G4EB2 I/O unit to a redundant controller strategy2.010/22/2012
KB82021String tables are incorrectly reported as invalid by Validate Recipe File3.010/16/2012
KB80923SNAP-AITM series field wiring terminal change2.010/9/2012
KB49433OptoServer running on Windows XP and Service Pack 23.09/14/2012
KB81985Spike in values read from G1 analog input modules with E2 brain1.09/12/2012
KB81984Spike in values read from G1 analog input modules with B2 brain1.09/11/2012
KB82356Cannot type in a full MAC Address in PAC Manager2.09/7/2012
KB82139All 'Event Log Options' cannot be disabled2.09/7/2012
KB82155False I/O Communication Failure1.07/12/2012
KB82141Cannot send values to a controller while downloading a recipe1.07/6/2012
KB82143AutoCorrect Tags does not work with table objects1.07/6/2012
KB82175Tag Selection dialog may show incorrect default Field values1.07/6/2012
KB80988Error message reported by PAC Manager when configuring digital outputs on E1 brains2.07/5/2012
KB81403'Move I/O Unit to Numeric Table' and 'Move I/O Unit to Numeric Table Ex' commands do not write to table if I/O unit is offline5.06/19/2012
KB81998Some OptoControl strategies cannot be imported into PAC Control3.06/14/2012
KB81942Command Help missing for new commands in PAC Control2.06/14/2012
KB81957Controller may need strategy download after power cycle or reset2.06/14/2012
KB81986Cannot use 'Get I/O Unit as Binary Value' command with G4D16R or G4D32RS3.06/14/2012
KB82059Slow I/O updates in PAC Display when scanning many I/O units2.06/14/2012
KB81949Hidden SuperTrend Pens are appearing in trend2.06/14/2012
KB81950SuperTrend Pen window to Enable/Disable/Hide pens may not function correctly for non-consecutive pens2.06/14/2012
KB81973PAC Display Runtime may not exit correctly from Execute Menu Item2.06/14/2012
KB81977PAC Display Runtime crashes using Send Discrete to Integer64 bit tag2.06/14/2012
KB82027PAC Display Configurator may hang and crash when using Edit Recipe tool2.06/14/2012
KB82024Triggered historic logs slow down PAC Display Runtime 2.06/14/2012
KB82019Uploading a recipe file may cause PAC Display Runtime to become unresponsive2.06/14/2012
KB81223Pen plots missing with 'Default' Y-axis Scale option in SuperTrends2.06/14/2012
KB81976Import/Copy I/O Unit window does not allow IP addresses with more than two digits2.06/7/2012
KB81850Device I.P. Address and Device Name columns missing from Configuration Status window1.05/9/2012
KB82009Discrete output does not turn off when mouse is released1.05/9/2012
KB82033Opto iPAC may incorrectly list digital inputs as analog inputs1.05/9/2012
KB82028Communication handle timeout problems1.05/7/2012
KB81963OptoEMU allows configuration of interfaces on the same network1.05/3/2012
KB81448 PAC Project applications set OptoEMU's time1.05/3/2012
KB81227PAC Display Runtime may crash when simultaneously sending multiple alarmpoint emails2.05/2/2012
KB80298OptoDataLink data update may fail with quick strategy tag updates3.04/25/2012
KB81941NTP Timestamping commands are missing from online help1.04/9/2012
KB81053Backup redundant controller may not be established3.03/27/2012
KB81387SendCommunicationHandle command 'get.src' always returns zero2.03/19/2012
KB81404SNAP-PAC-S1 resets if microSD card is in slot at power-up or restart2.03/19/2012
KB81410Serial port's baud rate not changed2.03/19/2012
KB81672Unknown controller status after downloading to redundant controller in PAC Control2.03/19/2012
KB81553'Receive Numeric Table' may cause a -95 info message3.03/19/2012
KB81242OptoEMU-SNR-3V may indicate false serial port test failure with 17 red blinks2.03/19/2012
KB80700PAC Simulator IVAL On/Off Latch Set commands don't work with High Density digital input modules2.03/19/2012
KB81302Problems with Ethernet communications after restoring controller Configuration Data from microSD card2.03/19/2012
KB81349Assigning Chr(x) to a table element does not work2.03/19/2012
KB81597Moving an Int64 into a timer in an Action block causes reset2.03/14/2012
KB81624Cannot compile and download strategy when using a Windows Roaming Profile2.03/14/2012
KB81839Some dialog boxes in PAC Control do not display all text in Chinese Windows2.03/14/2012
KB81840Chinese characters in OptoScript blocks cause problems2.03/14/2012
KB81847Entering Chinese characters in a PAC Control tag name causes problems2.03/14/2012
KB81592PAC Display project may crash when upgrading to newer version2.03/14/2012
KB81693New duplicated alarm point incorrectly has identical links and attributes as the original point2.03/14/2012
KB81727Cannot Cancel from importing a window into PAC Display3.03/14/2012
KB81729PAC Display Runtime cannot connect to remote OptoOPCServer under Windows 7 and Vista2.03/14/2012
KB81743'Display message box for new alarm points' option may cause problems in Runtime3.03/14/2012
KB81801ComboBox Output Dynamic Attributes sometimes do not write values to tags2.03/14/2012
KB81853Alarms in PAC Display do not trigger at the expected alarm limits2.03/14/2012
KB81877Trigger-based Historic Data Log records data based on Refresh Time2.03/14/2012
KB81878Trigger-based historic data logged twice when configured to log once2.03/14/2012
KB81883PAC Display Historic Logs do not log Integer64 values2.03/14/2012
KB81316'Out of service' errors reported in PAC Display2.03/14/2012
KB81856Unable to connect to remote OptoOPCServer2.03/14/2012
KB81848Some text truncated in PAC Manager when running under Chinese version of Windows2.03/14/2012
KB81917OptoDataLink sometimes crashes after exiting Runtime2.03/14/2012
KB81450Very small floating-point values are set to zero by controller 2.03/14/2012
KB81309Emails not sent from controller and -50 error returned2.03/14/2012
KB81645Redundant system I/O units don't re-enable if they are rebooted2.03/14/2012
KB81706Redundant systems sometimes transition to backup controller frequently2.03/14/2012
KB81787Expired Up Timer not detected2.03/14/2012
KB81791'Transmit Receive String' command may time out prematurely2.03/14/2012
KB81792'Get Numeric Table' and 'Get String Table' may cause -95 error2.03/14/2012
KB81800'Send Email' commands require password2.03/14/2012
KB81854Configured comments for alarms are sometimes not displayed correctly1.02/23/2012
KB81375Chart appears to hang if 'Open Outgoing Communication' is sent to a disconnected device2.01/17/2012
KB81695Wrong error reported on redundant systems1.01/12/2012
KB81397Communication problems to SNAP-PAC-SB brains when updating firmware4.01/12/2012
KB81674Problems with PAC Controllers communicating to Profibus-DP slaves11/10/2012
KB81420Get Chart Status returns error message -52.01/9/2012
KB81707Cannot connect with Listen and Accept Incoming Communication commands1.01/6/2012
KB81087OptoOPCServer Item ID tag names are not displayed for PID items1.01/5/2012
KB80103Control engine port 22001 may become unresponsive if bootup is interrupted4.01/3/2012
KB81443Modbus/TCP, IO4AB, and SNMP 4-channel data may be old3.012/22/2011
KB81084Subroutines from Case or IF statement may have unexpected results3.012/16/2011
KB81514Controller or serial brain becomes unresponsive after I/O communication on RS-485 serial link3.012/14/2011
KB81303Wireless brains and controllers may intermittently lose communication2.012/13/2011
KB81348SNAP PAC firmware versions merge in version R9.1b2.012/6/2011
KB81115SNAP PAC control engine serial ports are always set to Parity=None4.012/6/2011
KB81184Slower PAC Control strategy performance2.012/6/2011
KB81189NULL pointer passed to command causes controller problems2.012/6/2011
KB81190Possible bus error (-16) or controller problems on I/O initialization2.012/6/2011
KB81199Calling a subroutine may cause controller problems due to string tables2.012/6/2011
KB81232Dead or missing controller battery can cause controller problems2.012/6/2011
KB81269Multiple charts using 'Move Numeric Table to Numeric Table' may cause strategy deadlock3.012/6/2011
KB81446Writing numeric tables to a controller's microSD card is very slow1.012/2/2011
KB81390SNAP-PAC-SB Brains may drop packets at 230.4 kBd4.012/2/2011
KB81355Controller bus error or hardware reset when inspecting local subroutine variables2.012/2/2011
KB81398Controller sometimes reports error -11 when sending email3.012/2/2011
KB81405Control engine communication problem with background downloading and persistent string access2.012/2/2011
KB81439'Get Date & Time' incorrectly returns -3 error2.012/2/2011
KB81451An Up Timer is not working as expected2.012/2/2011
KB81510Blinking red STAT LED and error -63 when downloading .cdf file from microSD card2.012/2/2011
KB81668Some redundant controllers cannot be turned off separately1.011/30/2011
KB80425PAC Manager displays turn-around time delay for non-existent ports2.011/17/2011
KB81503PAC Control may not open PDF with default PDF viewer1.010/14/2011
KB81511Some error messages are missing from PAC Project Software R9.11.010/14/2011
KB81512OptoDisplay to PAC Display conversion utility not correctly updating alarm graphics1.010/14/2011
KB81347Incorrect scaled analog output XVAL when strategy is initially run1.010/5/2011
KB81341Time/Date set commands can sync stale data to the backup controller of a redundant system1.010/5/2011
KB81333Serial I/O may lock up SNAP PAC controller1.010/5/2011
KB81430Imported I/O points missing or behave incorrectly in strategy2.09/28/2011
KB81431Renaming a tag or using Find and Replace within Tag Names causes OptoScript errors2.09/28/2011
KB81393Modified default SuperTrend pen plots are not drawn correctly2.09/28/2011
KB81438AutoCorrect Tags does not update tags in Combo Boxes1.09/22/2011
KB59233Updated bootloader available for SNAP-PAC-S12.09/20/2011
KB80934EtherNet/IP does not support the SNAP-SSI module1.09/19/2011
KB80773Digital Events-Expanded triggers continuously without trigger being set1.09/19/2011
KB81182Event Message Email Client does not include the date field in the header1.09/8/2011
KB81382PAC Display prints only once, cannot be restarted1.09/7/2011
KB81381Total energy values (kWh) for pulse inputs are 0.0 for Modbus and OptoMMP applications4.09/7/2011
KB81318OptoEMU Manager times out during update processs1.09/1/2011
KB81389PAC Display hangs when attempting to convert OptoDisplay project2.08/17/2011
KB81379Scratch Pad Float Table values not displayed in Table object2.08/17/2011
KB81365Fourth table in Table object appears cut off 2.08/17/2011
KB81363Cannot paste or duplicate objects in PAC Display Configurator2.08/17/2011
KB81351Controller resets when table references negative index1.08/10/2011
KB81335Imoporting animated GIF files may cause unexpected results1.08/8/2011
KB81364Resizing a rotated object may cause object to appear incorrectly1.08/8/2011
KB81002PAC Simulator appears to run strategy, but logic is not executing2.08/8/2011
KB81359High current and power readings by OptoEMU-SNR-3V using CTs1.08/3/2011
KB81326Editing Pointers allows Persistent initialization1.08/2/2011
KB81091Converted OptoControl strategies have incorrect initial values for numeric variables and tables2.08/2/2011
KB81229Data Link stored late to Destination by OptoDataLink2.08/2/2011
KB81159Cannot copy I/O units with PIDs in PAC Manager2.08/2/2011
KB81095PAC Display Runtime may hang if Alarm Point tags are disabled2.08/2/2011
KB81099Memory leak in PAC Display Runtime if logging String Tables in Historic Logs2.08/2/2011
KB81110PAC Display Configurator requests tag for Contoller Status Alarm Point2.08/2/2011
KB81183PAC Display Runtime may crash if 'Always in memory' option selected2.08/2/2011
KB81192Edit > Replace command does not make changes within a ComboBox in PAC Display2.08/2/2011
KB81193Problems resizing a polygon after rotating it 2.08/2/2011
KB81196Regenerate Scanner Tags command skips tags in ComboBox control2.08/2/2011
KB81216Problems in PAC Display is 'Exit Runtime' and another dynamic attribute is configured for same graphic2.08/2/2011
KB81263PAC Display - Setting the Execute Menu Item not working correctly2.08/2/2011
KB81264Bit indices past 31 in Int64 table element are not changed by Edit > Replace2.08/2/2011
KB81265ComboBox element change is not saved2.08/2/2011
KB81268PAC Manager allows more than 24 data bits for SNAP-SCM-SSI module2.08/2/2011
KB81271Discrete write to Analog/Digital I/O Unit in Runtime causes error messages2.08/2/2011
KB81278Cannot select SuperTrend log file format2.08/2/2011
KB81323Copying and pasting a bitmap results in a blank image or crash2.08/2/2011
KB81329Edit > Replace, Refresh Group does not work for SuperTrends2.08/2/2011
KB81330PAC Display Configurator: Importing AlarmPoints caused extra characters in Alarm Point List Box under Windows XP2.08/2/2011
KB81230Command 'Get Pointer From Name' does not work with tables2.08/2/2011
KB81234'Call Chart' command may cause chart to suspend2.08/2/2011
KB81251'Move Numeric Table to Numeric Table' command always writes to index 02.08/2/2011
KB81276I/O units with redundant Ethernet link are disabled if primary controller connection is interrupted2.08/2/2011
KB81279I/O unit disabled if SetAnalogTpoPeriod sent to disabled Snap-AOD-29 point2.08/2/2011
KB81188'Stack Not Empty' (-95) in error queue2.08/2/2011
KB81311'High Density Digital Input Module #' incorrectly displayed for Event in Configure Mode1.07/29/2011
KB81325Printing at Runtime produces twice as many Copies1.07/28/2011
KB81298Printing a window at Runtime includes Print dialog box 1.07/28/2011
KB81332Importing a Window with GIF graphics may crash PAC Display Configurator3.07/28/2011
KB81331View > Dynamic Attributes displays the incorrect SuperTrend Refresh Group1.07/28/2011
KB81031B3000-B does not support request for TPO information2.07/26/2011
KB81354Connector color changes on various products1.07/20/2011
KB81218PID State for Auto and Manual Modes are incorrect via the controller1.07/18/2011
KB81343Historic Logs may miss data if another trigger event occurs too quickly1.07/11/2011
KB81350InfoKB: Torque specification changed for SNAP-AITM series module connectors1.07/11/2011
KB81346PAC Display does not switch back to Primary Controller from Backup Controller 1.07/8/2011
KB80465Random crashes possible in OptoDisplay Runtime2.06/29/2011
KB81088Incorrect microSD card function message in PAC Manager1.06/21/2011
KB52626G4A8R, G4RAX, and B200 analog points are always scaled for degrees Celsius in PAC Control/ioControl2.06/2/2011
KB81221Deviation Alarm appears not to be working properly1.05/17/2011
KB81213Invalid analog input readings for ~3 sec after power-up1.05/16/2011
KB81195Event Messages greater than 0 are not copied to 'Message N: Text of Most Recent Message' field1.05/16/2011
KB81204SNAP-PAC-S1 with R9.0c firmware does not boot if microSD card is installed2.05/11/2011
KB81283New input ranges for SNAP-AIPM-3 and SNAP-AIPM-3V1.05/9/2011
KB81244Pulsed inputs are not logged to online software service1.05/3/2011
KB81235Energy accumulation precision values1.05/3/2011
KB80831Control engine configured for strategy Background Download may reset during strategy "switch" or "switch and run"1.04/25/2011
KB81266Triggered historic log has mostly commas as data1.04/22/2011
KB81256Logrithmic SuperTrends with pen Minimum scaled <0.01 may cause Runtime problems1.04/6/2011
KB81205PAC Display Runtime hangs when recipe file is downloaded1.04/5/2011
KB80603How to export and import control engines using the Windows registry2.02/14/2011
KB81093Slower strategy, error -539 reported by wireless controller when WAP cycles power 3.01/24/2011
KB81153Modified strategy downloaded from flash may cause controller problems3.01/19/2011
KB81173'Wrong Object Type' error returned when assigning value to pointer table 3.01/19/2011
KB81135Controller FTP transfers a maximum of 1167 characters 3.01/19/2011
KB81008VELOCITY C PID does not calculate Term_P and Term_D2.01/19/2011
KB81078SNAP PAC brains may reset with repeated writes to a microSD card2.01/19/2011
KB81040PAC Display cannot read digital TPO output point's period and percentage from Mistic brains2.01/19/2011
KB81174Setting a string table element from Debug mode may cause unexpected controller behavior2.01/17/2011
KB81075SNAP PAC controller may reset when making an online change2.01/17/2011
KB81094FTP Communication Handle timeout is not applied1.012/20/2010
KB81121Fewer I/O point options shown after moving a high density digital point in configuration window1.012/20/2010
KB80791Zero-Scale and Full-Scale limits in PAC Control debug mode always show degrees C1.012/20/2010
KB81109PAC Display Historical SuperTrends do not correctly plot Logarithmic Data1.012/2/2010
KB81083Error -95 returned from PAC Control subroutine with a Case or IF statement1.09/27/2010
KB81064Reading the available memory on a microSD card on older SNAP PACs causes problems1.09/27/2010
KB81074Online change in strategy with alternate host tasks may cause controller problems1.09/27/2010
KB81079'Send Configuration to I/O Unit' dialog PAC Manager showing erroneous message in Log1.09/20/2010
KB81080PAC Display's 'Edit > Replace' does not replace table names in table objects1.09/20/2010
KB81077Lost online changes and controller problems caused by 'Start Alternate Host Task' command1.09/20/2010
KB81058File in controller's MicroSD card root directory cannot be deleted1.09/10/2010
KB81055'Store microSD to flash and Restart Device' command fails1.09/1/2010
KB81054Strategy does not autorun from the microSD card1.08/24/2010
KB81062Graphics and windows problems in PAC Display R9.0d1.08/23/2010
KB80698SNAP-AIPM-3 module channels 12 and 13 incorrectly displayed in PAC Manager1.08/23/2010
KB81026'Incorrect device type' incorrectly reported by PAC Redundancy Manager1.08/23/2010
KB81059PAC Control connection lines disconnecting from objects2.08/23/2010
KB81061Some PAC Control compiler errors are not reported2.08/23/2010
KB81042BIT suffix added to non-integer variable when using Edit > Replace, 'Bit index' Offset command2.08/23/2010
KB81023Real-time SuperTrend data plots may not be updated2.08/23/2010
KB81037Some Historic Log files may have incorrect data in projects with more than 21 files2.08/23/2010
KB80821Resizing Message Queue may cause problems in PAC Control Debug mode1.08/5/2010
KB81006'Autocreate Points' configures some analog modules incorrectly1.08/4/2010
KB81011'Find' feature in configure mode may cause problems on some PCs1.08/3/2010
KB81005B100 I/O units cannot be imported into a strategy1.08/3/2010
KB81024Digital reaction cannot be configured for Mistic event/reaction1.07/28/2010
KB81022Cannot type in negative Int32 literals in Add Instruction dialog1.07/28/2010
KB81007Incorrect Snap-AIRTD-10 readings1.07/27/2010
KB81004Possible 'Wrong object type' reported to message queue for subroutine variables1.07/27/2010
KB80928PAC Control strategy from microSD card does not Autorun3.07/27/2010
KB80995PID Input scale not displayed as expected in PIDViewer2.07/19/2010
KB80671SNAP PAC devices added in R8.2 PAC Manager are not available in R8.5a2.07/19/2010
KB81020Random problems with PAC Display Runtime1.07/16/2010
KB81019Long delay when starting PAC Display Basic Runtime1.07/16/2010
KB81021Problems with PAC Display Configurator when resizing Alarm Point dialog1.07/16/2010
KB81014PAC Display Runtime PIDViewer may cause Floating Point Exception1.07/16/2010
KB81013Possible problems with PAC Display tables using the Relative Offsets option1.07/16/2010
KB81012PAC Display Runtime Historic Log does not log String Tables correctly1.07/16/2010
KB81010Possible unexpected results when closing PAC Display Runtime if PIDViewer Open1.07/16/2010
KB81009ComboBox may cause unexpected results in PAC Display Runtime1.07/16/2010
KB81000PAC Control may crash when regenerating reference counts1.07/16/2010
KB80972Negative Decimal Values between 0 and -1.0 not allowed for some Control Engine Driven Dynamic Attributes1.07/16/2010
KB80999PAC Display PID Button Configuration Doesn't Allow Setpoint Min of 0.01.07/12/2010
KB80997PIDViewer Man/Auto button causes PAC Display to close1.07/12/2010
KB80993PIDViewer cuts off top of graph1.07/12/2010
KB80989Incomplete Combo Box setup may cause problems in PAC Display Configurator1.07/12/2010
KB81001Long start-up delay for PAC Display on Windows Vista and Windows 71.06/25/2010
KB80672Historic Logs using Start Triggers do not initially log data3.06/25/2010
KB80673Adjustable alarm points not logged correctly in Runtime Operator Log File2.06/25/2010
KB80677PAC Display Tables do not display Scratch Pad Strings3.06/25/2010
KB80692The focus frame around a text graphic disappears at Runtime if the send string is empty2.06/25/2010
KB80707SuperTrend Y-axis labels < 1 are incorrectly displayed2.06/25/2010
KB80724Alarm state keeps occurring even after ACK in Runtime2.06/25/2010
KB80739PAC Display Configurator View→Find Tag may not find some tags2.06/25/2010
KB80740Edit > Replace, Table Index 'Offset By' option causes non-table tags to appear as tables2.06/25/2010
KB80761Improved PAC Display Runtime User Log-in2.06/25/2010
KB80794A configuration (.otg) file with a Generic OptoMMP Device crashes PAC Manager2.06/25/2010
KB80795PAC Manager's Find OptoMMP Devices dialog displays incorrect IP address for wireless device3.06/25/2010
KB80796Upper Scaled Units incorrect for SNAP-AIRTD-10 Generic Point Type in PAC Manager2.06/25/2010
KB80865SNAP-UP1-D64 and SNAP-ENET-D64 not listed when adding I/O units in PAC Manager2.06/25/2010
KB80866Large Fonts affects screen displays in PAC Manager2.06/25/2010
KB80877Multiple clock synchronizations may cause Runtime problems2.06/25/2010
KB80890'Address of value to check' field in Alarm Events dialog may be cleared3.06/25/2010
KB80947PAC Display Pro reports error at Runtime if string tables in FactoryFloor strategy are used2.06/25/2010
KB80978OptoDataLink does not exchange data if 'depending on Combination' is selected 2.06/25/2010
KB80857MoveNumTableToNumTable command returns -29 with Int64 tables2.06/25/2010
KB80659B3000-B Off-Pulse and On-Pulse measurements return unexpected values3.06/25/2010
KB80703Get & Clear Quadrature Counter command does not clear count from B3000-B2.06/25/2010
KB80899PID loop with a phantom output does not work on B3000-B3.06/25/2010
KB80910B3000-B communications disabled after receiving certain I/O commands2.06/25/2010
KB80931B3000-B MOMO Match Event behavior differs from B30003.06/25/2010
KB80953Enabling or disabling all Events on a B3000-B causes error 10 on digital I/O addresses3.06/25/2010
KB80951Clear All Event Latches command resets B3000-B digital addresses3.06/25/2010
KB80933EventOccurring? command always returns False from B3000-B 2.06/25/2010
KB80994Double-clicking title bar in PAC Control does not minimize/maximize window1.06/24/2010
KB80992PID loop parameters are not displayed in PAC Control Watch window1.06/24/2010
KB80990Problems running PAC Control Basic R9.01.06/22/2010
KB52254Ethernet I/O units drop UDP messages and may timeout if too many messages are received at once4.06/22/2010
KB80991SNAP-AIRTD-8D and SNAP-AIRTD-10 modules unknown in PAC Control 2.06/22/2010
KB80959InfoKB: Design changes to Ethernet interface on Ultimate I/O and Ethernet I/O1.06/21/2010
KB59290Unexpected SNMP cold start traps from Ethernet Devices3.06/21/2010
KB80808InfoKB: Design changes to Ethernet interface on M4SENET-100 card1.06/21/2010
KB80471How to use OptoControl and ioControl on a computer with Windows Vista or Windows 72.06/18/2010
KB80987InfoKB: Incorrect termination switch settings for B3000-B1.06/14/2010
KB80380Inspection window may display incorrect SNAP PAC Sim IP address2.06/11/2010
KB80913B3000-B analog module values momentarily out of range after 2.5 days of being powered up2.05/28/2010
KB80627OptoControl's 'Write Numeric Table to I/O Memory Map' to SNAP PAC returns -33.05/28/2010
KB80957SNAP-AIV-i modules have incorrect top labels1.05/20/2010
KB80925InfoKB: How to diagnose analog input readings of -32768 using B3000 or B3000-B brains1.05/18/2010
KB80950InfoKB: SNAP-TEX-FB16-H and SNAP-TEX-FB16-L boards are changing from green to black1.05/17/2010
KB80569SNAP PAC devices receiving long 802.1Q VLAN broadcasts may have communication failures2.05/12/2010
KB80480Points 4 through 7 on a Snap-AICTD-8 always report °C4.05/12/2010
KB80574Downloading a large Ethernet/IP configuration file may reset a brain 2.05/12/2010
KB80621Opening a UDP connection too soon in a strategy may return error -443 2.05/12/2010
KB80623Serial brains cannot communicate simultaneously to multiple applications with Ethernet Pass-Through mode2.05/12/2010
KB80678Increased ARP cache size on SNAP PAC controllers helps decrease number of ARP broadcasts2.05/12/2010
KB80687Controller in backgound download mode fails to run strategy on inserted microSD card2.05/12/2010
KB80728Inserting microSD chip may cause SNAP-PAC Controller to Reset2.05/12/2010
KB80730Control engine STAT LED remains turned off if Scanner flag used to stop strategy2.05/12/2010
KB80743High latency network (modems) may cause SNAP PAC controller to I/O unit communication problems 2.05/12/2010
KB80790MoveNumericTableToIOUnit command may cause incorrect points to flash LEDs2.05/12/2010
KB80817Possible problems downloading large strategy to SNAP PAC controller with R8.5a 2.05/12/2010
KB80896Strategy on microSD card with Comment (Block) command stops executing 2.05/12/2010
KB80884Incorrect results from various PAC Control string commands2.05/12/2010
KB80664Controllers talking to Ethernet I/O units on high-latency networks may randomly become unresponsive2.05/12/2010
KB80932Possible intermittent analog module communication by B3000-B1.05/11/2010
KB80929B3000-B and SNAP-PAC-SB series top lid change2.05/5/2010
KB80428Continuous square wave command to B3000-B does not restart waveform1.05/3/2010
KB80489Get & Restart Pulse Period Measurement command delayed on B3000-B 3.05/3/2010
KB80885On-screen keyboard for touchscreens does not pop up for SuperTrend scaling1.04/26/2010
KB52484Possible intermittent operation from surface mount style B6 after a bus reset3.03/11/2010
KB80798Slight possibility of no/poor signal quality from wireless brains and controllers1.02/19/2010
KB80747'Inspect Event/Reaction' dialog in Debug mode may not correctly reflect the Enabled state1.02/17/2010
KB80746Inspecting Event/Reactions in PAC Control debug mode can cause crash1.02/17/2010
KB80772Not all SuperTrend pens may be plotted at Runtime if one pen's value is -NAN1.02/16/2010
KB80732Slight possibility SNAP PAC controller may reset when background downloading is enabled1.02/5/2010
KB80115PAC Control and ioControl NumberToString() results different from OptoControl's NumberToString()2.02/3/2010
KB80630PAC Control permits configuring legacy brains to configure SNAP-AIPM/3 1.011/10/2009
KB80690Wireless controllers do not boot from microSD card1.011/6/2009
KB80693SNAP-IDC-32N input states not displayed in PAC Manager1.011/5/2009
KB80668New controllers shipped with a strategy2.010/13/2009
KB80625Ethernet IP multicast address algorithm for implicit connections is not correct2.09/24/2009
KB80589Quadrature counter point B stays at 0 counts regardless of input2.09/24/2009
KB80597FTP 'ls' or 'dir' command causes brain to reboot2.09/24/2009
KB80617Event messages with string plug-ins are truncated2.09/24/2009
KB80558'Dictionary full error' from online changes to strategies with subroutines 3.09/23/2009
KB80594PAC Controller unresponsive after burning SSD strategy to flash memory2.09/23/2009
KB80602Repeated 'Listen for Incoming Communication' on port 502 prevents connection to controller2.09/23/2009
KB80626Problems with Ethernet IP multicast address algorithm for implicit connections and multiple interfaces2.09/23/2009
KB80629Controllers accessing Ethernet brains via high-latency radio network may reset2.09/23/2009
KB80473The 'IVAL Set Frequency' PAC Control command doesn't work with the mistic brains3.09/21/2009
KB80578Migrated PAC Display project may crash due to obscure problem4.09/21/2009
KB80397Changing a point's state should cancel pulse, square wave, and TPO commands2.09/18/2009
KB80642'Rotate' attribute for line object and integer tag causes problems at Runtime2.09/10/2009
KB80663Visibility/Blink does not work correctly for bitmap graphics2.09/10/2009
KB80657SNAP-Custom-AI points are not scaled correctly by PAC Manager1.08/27/2009
KB80604'IVAL Move Numeric Table to I/O Unit (Ex)' only writes to output points1.08/24/2009
KB80652SNAP-PAC-EB brains do not report Ethernet errors detected on external switch ports1.08/12/2009
KB1433Scratch pad commands in ioControl cause error –534 when used with SNAP-B3000-ENET or SNAP-ENET-D644.08/11/2009
KB80590Some recipes don't upload when several are triggered at nearly the same time2.07/17/2009
KB80593View→Dyanamic Attributes may cause PAC Display to crash2.07/17/2009
KB80600Windows dynamic attributes aren't always displayed in PAC Display Configurator2.07/17/2009
KB80598PAC Display Runtime possibly unresponsive on exit if there are many alarms2.07/17/2009
KB80616HiHi alarms sometimes cannot be acknowledged in the Runtime alarm window2.07/17/2009
KB80591Cannot Delete Table from Table Object in PAC Display2.07/17/2009
KB49125FactoryFloor patch for PCI ARCNET support4.07/9/2009
KB80588Auto-stepping unexpectedly pauses on the first block of a subroutine1.06/17/2009
KB80506Possible missing graphics and table changes when upgrading from PAC Display Basic to Pro2.06/15/2009
KB80556Save Project and Load Runtime may fail when Runtime is already running2.06/15/2009
KB80580Some non-integer cutoff values and limits may not be evaluated correctly in PAC Display2.06/15/2009
KB80581'Pointers' group is incorrectly listed in OptoScript action commands1.06/8/2009
KB80577Strategy breakpoints are cleared for all charts1.06/5/2009
KB80576Data logging does not work if log interval is set to zero1.06/2/2009
KB80561Unexpected results from PAC Manager's 'Digital Events - Expanded'2.05/13/2009
KB80555Integer values >16,777,215 may cause inaccurate fill color in PAC Display2.05/12/2009
KB80568On-screen keyboard isn't displayed when editing tables2.05/12/2009
KB49667SNAP‑UP1‑ADS or SNAP‑B3000‑ENET reads zero counts from SNAP-IDC5Q 2.05/1/2009
KB80566Cascading PID Loops may cause download errors3.04/28/2009
KB80534Breakpoint "hand" invisible in subroutines when returning to Debug mode1.04/24/2009
KB80557PAC-S RS-232 ports unresponsive when used with Mistic I/O units1.04/16/2009
KB80562Possible negative RMS readings from SNAP-AIPM3.04/15/2009
KB80559Expanded digital event reaction fails if trigger #1 uses scratch pad bits1.04/3/2009
KB80553Pointer variable tags reference the wrong tag in Browser Configurator 2.03/24/2009
KB80240Numerous writes by an OPC client may delay data updates2.03/24/2009
KB80469Importing a chart with legacy items may cause PAC Control to crash2.03/24/2009
KB80502PAC Control's 'Inspect I/O Unit' reports incorrect values for some I/O combinations2.03/24/2009
KB80551On-screen keyboard missing at Runtime2.03/24/2009
KB80536Runtime text data may be incorrect if window has non-consecutive refresh groups2.03/24/2009
KB80537Can't change from SuperTrend Pen Discrete Deadband in PAC Display Configurator2.03/24/2009
KB80550Changes to some PAC Manager Status Write items not saved2.03/24/2009
KB80283FactoryFloor 'Move Digital I/O Unit to Table' command may change mistic IVAL2.03/11/2009
KB80542'Undefined Command' error during download due to Upper/Lower scaling values set to zero1.03/11/2009
KB80507B3000-B analog command 'Y' returns data in reverse order2.03/11/2009
KB80427Mistic I/O unit is disabled after flash is cleared and PID is inspected2.03/9/2009
KB80531Type R thermocouple readings are about half of the expected values in OptoControl1.03/3/2009
KB80503Controllers report incorrect values for some I/O combinations in 'Inspect I/O Unit' 1.02/23/2009
KB80440Obscured graphics in PAC Display Runtime3.02/19/2009
KB80481Graphics with Alarm Point dynamic attribute may display incorrect alarm state2.02/17/2009
KB80482Table editing remains active in PAC Display Runtime2.02/17/2009
KB80496SuperTrend Pen Discrete and Value Deadband logging always enabled2.02/17/2009
KB80500PAC Display Runtime may hang on exit2.02/17/2009
KB80501Missing parameters from PAC Display Runtime's 'Current Device Config' window for FactoryFloor Ethernet controllers2.02/17/2009
KB80493'IVAL Move Numeric Table to I/O Unit' commands don't work with some I/O units1.02/5/2009
KB80470How to use a USB-to-Serial adapter with FactoryFloor1.01/14/2009
KB80463PAC Display Runtime does not run as expected when approaching December 31st2.012/29/2008
KB80474High Density Digital IVALS cleared by Get I/O Unit as Binary Value [64] commands 1.012/22/2008
KB80225Security User/Group login does not work as expected in PAC Display Runtime2.012/18/2008
KB80423PAC Display crashes if Scale Window tool is selected and cursor is clicked inside window2.012/18/2008
KB80439PAC Display may crash on exit2.012/18/2008
KB80441Regenerate IO Scanner Tag Names skips the Append String tag for Launch Application dynamic attribute2.012/18/2008
KB80467Runtime crashes if graphic is clicked before its window closes2.012/18/2008
KB80324PAC Manager may crash if no IP addresses are configured2.012/18/2008
KB80461SNAP-CUSTOM-AI analog point options missing in PAC Manager2.012/18/2008
KB80429Cannot read 'IOUNIT;ENABLE' OptoOPCServer status tag2.012/18/2008
KB80224Pressing 'Cancel' from Enter User Credential, may crash PAC Display Runtime2.012/17/2008
KB80072Expanded digital events on I/O unit may not work as expected when configured from a PAC Manager .otg file2.012/17/2008
KB80229Possible Opto Browser Configurator problems if tag file pathname includes an '!'3.012/17/2008
KB80098Importing PAC Manager configuration file with Ethernet I/O may cause problems in PAC Control2.012/17/2008
KB80247PAC Manager incorrectly displays 64-bit scratchpad hex integers2.012/17/2008
KB80258OptoOPCServer stops updating data tag group when invalid memory map address is accessed2.012/17/2008
KB80344Stored strategy archive to flash memory does not survive a power cycle2.012/17/2008
KB80420When 'Change IP Settings' does not set IP address to
KB80443Narrow XY Plots drawn incorrectly2.012/17/2008
KB80120PAC Display Runtime clients may not switch to backup control engine2.012/17/2008
KB80357Disabled I/O unit incorrectly reported as enabled in PAC Control3.012/8/2008
KB80442FactoryFloor and Cyrano controller time incorrect if powered up between 8 p.m. and 11:59 p.m.1.012/5/2008
KB80177Some SNMP initial traps not sent as expected2.012/5/2008
KB80241Cannot send data out serial module port via SNMP2.012/5/2008
KB80313Slow baud rates affect communication between SNAP-PAC-S controllers and serial I/O units4.012/5/2008
KB80316Local I/O Unit not enabled when using SNAP-UP1-M64 as Generic OptoMMP Device2.012/5/2008
KB80328Point features not stored after power cycle on SNAP PAC I/O unit2.012/5/2008
KB80336SNAP PAC event message emails may include extra characters2.012/5/2008
KB80365Writing to Mistic PID output has no effect on the analog output3.012/5/2008
KB80367Disabled I/O unit not reported in point's Inspect window2.012/5/2008
KB80374'Get & Restart Period' command returns zero for period measurement2.012/5/2008
KB80377Problems storing older Image file to PAC Brain with newer firmware2.012/5/2008
KB80434Changing SNAP analog ouput module scaling may cause rare, infrequent reset1.011/24/2008
KB80243SNAP PAC Simulator returns success code for unsupported communication handle2.011/24/2008
KB80150Multiple masters cause problems for Modbus TCP/Serial Integration Kit slave chart2.011/19/2008
KB54359E1 and E2 may not respond if accessed while booting up2.011/11/2008
KB48313Optomux High Resolution Square Wave command and E1 brain boards3.011/11/2008
KB53864E2 may have incorrectly scaled analog input module readings2.011/10/2008
KB80409Problem with SNAP-PAC-S2 serial port's DCD signal1.010/28/2008
KB80332PAC Display Runtime may crash when trend is full2.010/10/2008
KB80403Slower response from PAC Display projects with many SuperTrends2.010/8/2008
KB80393Serial I/O units can't be inspected prior to running PAC Control strategy1.010/7/2008
KB80385PAC Simulator's 'Store to Flash' doesn't work under Windows Vista1.09/29/2008
KB80396Analog milliamp outputs clamped to an invalid value cause SNAP module to go off-line1.09/23/2008
KB80366Prior FactoryFloor installation may affect R4.1a installation2.09/19/2008
KB80386'Greater?' command and possible problems when converting strategy from OptoControl to PAC Control 1.09/16/2008
KB80379Problems with the 'Enable Communication to Mistic PID Loop' command3.09/16/2008
KB80219Background downloaded strategy stored to flash memory may time out3.09/9/2008
KB80176SuperTrend data not updated and 'Enable Item' Event Log errors2.09/8/2008
KB80360PAC Display reports 'AddItems failed' from converted MisticMMI or PAC Display project2.09/8/2008
KB80361'Save Metafile As...' command sometimes fails in PAC Display2.09/8/2008
KB80362'PID type "input" not currently supported' message from upgraded OptoDisplay project2.09/8/2008
KB80368Can't write to PAC Display PID tags upgraded from Mistic MMI or OptoDisplay2.09/8/2008
KB80382Problems with security enabled objects in PAC Display and local PC accounts2.09/8/2008
KB80389Problems with 'Chosen graphics' option in PAC Display's Find and Replace window2.09/8/2008
KB80390Polygons and polylines do not "Undo" as expected2.09/8/2008
KB80370File→View/Print→Database shows persistent variables as initialize on strategy run1.08/26/2008
KB80364Problems opening PAC Manager R8.1 .otg files with R8.21.08/18/2008
KB55540Uninstalling FactoryFloor R4.0b and reinstalling FactoryFloor2.08/11/2008
KB80355FTP login attempt may fail1.08/5/2008
KB80345Some graphics in PAC Display are not updated1.07/30/2008
KB80346Displaying SuperTrend Binary Log Files with historic modes may cause problems1.07/30/2008
KB80347Alarm sound doesn't play if Persistence Time is configured1.07/30/2008
KB80352Cannot enter negative numbers in Table graphics1.07/30/2008
KB80010Plugins yielding binary data truncate data after '00' sequence3.07/22/2008
KB54754Analog output point inverted scaling may be unstable1.07/18/2008
KB80117Changing the PID setpoint may cause a jump in the PID output1.07/18/2008
KB80326Symbol Factory may not start from PAC Display's edit menu1.07/16/2008
KB80296Possible problems using PAC Control pointers with G4D32RS / SNAP-BRS units2.07/15/2008
KB80311'TPO' digital output feature in PAC Control Basic2.07/15/2008
KB80108Possible errors when importing charts with filenames using Microsoft reserved names2.07/15/2008
KB80222Problems when modifying an 'Append String to String' command in PAC Control2.07/15/2008
KB80278Test Compile of OptoScript code with multiple errors may cause problems2.07/15/2008
KB80307PID loops configured in PAC Manager missing in strategy2.07/15/2008
KB80310Using 'Modify' from I/O point in Strategy Tree may cause odd behavior2.07/15/2008
KB80319PAC Display Runtime may crash after modifying data in tables2.07/15/2008
KB80318Clicking graphic only toggles once in PAC Display1.07/15/2008
KB80147OptoDisplay, ioDisplay, and PAC Display may have problems on PCs with dual‑core processors1.07/14/2008
KB80112Random crashes in PAC Display / ioDisplay / OptoDisplay4.07/9/2008
KB54878Control engine name disappears from the 'Select Control Engine' dialog1.07/8/2008
KB50250Problems with the OptoControl AB Integration Kit1.07/8/2008
KB55058Invalid characters in OptoControl subroutine names cause problems when downloading strategy1.07/7/2008
KB49750Easy OPC VB Forms may cause OptoOPCServer problems1.07/2/2008
KB58368'Move Table to Table' command moves half of Integer 64 Table elements1.07/2/2008
KB56566PAC Display Runtime 'Always in memory' windows option may not update data1.07/2/2008
KB58259Trouble opening Cyrano R3.3a strategy with OptoControl1.07/1/2008
KB50761Errors possible when installing FactoryFloor R4.1a over an existing installation1.07/1/2008
KB60473Rollover problem with 'Seconds since powerup' after 49.71 days2.06/26/2008
KB80025'Always Bootp/DHCP on Powerup' does not work2.06/26/2008
KB80041Excessive I/O unit timeouts possible if communication bursts overwhelm Ethernet network2.06/26/2008
KB80171SNMP community settings for Read or Write permissions may behave incorrectly2.06/26/2008
KB80281TPO period incorrectly set for SNAP-AOD-292.06/26/2008
KB80013Possible momentary off pulse if digital output is already on2.06/26/2008
KB54622TransmitPtrTable and ReceivePtrTable commands may return corrupt data when used with Int64 vars3.06/26/2008
KB54982Problems with very high/low controller error queue values and GetErrorCodeOfCurrentError()2.06/26/2008
KB60359'Convert # to Hex String' command pads extra 0's in front of Integer 64 value3.06/26/2008
KB60697Disabled I/O units are not detected by 'Error on I/O Unit?' PAC Control command2.06/26/2008
KB60930Ethernet I/O units disabled if watchdogs are configured in PAC Control2.06/26/2008
KB62241Possible 'Invalid address' errors, or no response from I/O unit2.06/26/2008
KB80073Interrupting a strategy download may result in a control engine -9 timeout3.06/26/2008
KB80123Copy Date to String commands may cause unexpected control engine behavior3.06/26/2008
KB54782Analog TPO Period setting is not stored to flash on Ethernet devices2.06/26/2008
KB60572SNMP v2 traps may cause a management system crash3.06/26/2008
KB60378'Move Numeric Table to I/O Unit' command does not work with mistic I/O Units2.06/26/2008
KB61524Persistent variables lost on power cycle when using 'Background' download option on SNAP PAC3.06/26/2008
KB80232Some 'Move Table to I/O Unit' PAC Control commands don't work as expected with mistic I/O2.06/26/2008
KB80260'Set Analog Offset' PAC Control command limits offset values3.06/26/2008
KB80275mistic brain totalizer rates truncated by 'Set Analog Totalizer Rate' command2.06/26/2008
KB80280Long timeouts and incorrect PID references in controller error queue 2.06/26/2008
KB80282mistic digital input with 'Period' feature always displays 02.06/26/2008
KB80143Cannot connect to a remote OptoOPCServer from PAC Display2.06/26/2008
KB80285SuperTrend historic log file's date may show 01/02/1601 during Runtime2.06/26/2008
KB59384PAC Display does not update if 'QNAN' is in recipe file2.06/26/2008
KB80110Alarm point's persistence time may be reduced in PAC Display2.06/26/2008
KB80076'Enable Auto Synchronization' does not work in PAC Display2.06/26/2008
KB80116Graphics associated with chart states may not respond as expected after PAC Display upgrade3.06/26/2008
KB80306Sometimes Symbol Factory does not launch from Configurator2.06/26/2008
KB55814I/O unit may go offline when PIDs are inspected from ioControl Debug mode1.06/25/2008
KB80124Modified subroutine may cause controller reset on strategy download1.06/19/2008
KB80236Archived strategies may force download when using different computers2.06/19/2008
KB80179PAC Display may crash when assigning Global Operator Driven Permissions1.06/18/2008
KB59253CPU change for M4RTU controller5.06/17/2008
KB59215SNAP‑B3000‑HA reports 32767 value for SNAP‑AITM, J Type Thermocouple3.06/17/2008
KB80297Synchronizing controller time/date to PC while running strategy timers may cause timer corruption1.06/17/2008
KB80249Delay between adding tags to OptoOPCServer and initial data update1.06/13/2008
KB80216mistic digital input IVALs not cleared by the 'Clear Counter' command1.06/5/2008
KB79038Interrupted Ethernet connection does not resume writing to Ethernet device's memory map2.05/29/2008
KB80248Some SNAP-PAC-S1/S2 controllers may reset on power-up2.05/20/2008
KB80244Digital outputs connected to an AC5 or G4AC5, turn on after being configured 1.05/19/2008
KB49838PAC Project, ioProject, and FactoryFloor applications leak GDI objects on computers running Windows XP7.05/19/2008
KB56567Control engine clock may not synch with PC from PAC Display1.05/6/2008
KB54413Control engine becomes unresponsive if wrong firmware type is downloaded1.05/6/2008
KB53893Table element bits in ioControl and OptoControl not set or cleared as expected1.05/5/2008
KB56364Runtime Operator Log may incorrectly report User-Name of successful security operations1.05/5/2008
KB80068Timeouts or duplicate device names remotely possible in PAC Manager1.05/2/2008
KB57947Reset line does not clear outputs on SNAP-B62.05/1/2008
KB47617Move to Pointer command in OptoControl and Snap Simple 64 pointer cause error during strategy download44/29/2008
KB57840PAC Control or ioControl hex string-to-number commands may give incorrect results4.04/28/2008
KB54388Assignment of unquoted hexadecimal characters to string variable in OptoScript may close ioControl2.04/25/2008
KB51932Cut off strategy name in ioProject control engine Inspect window2.04/25/2008
KB80088High density digital modules not accessible by PAC Display Configurator1.04/21/2008
KB49674G4LC32 may reset when attempting to store too large of a strategy to flash2.04/7/2008
KB48472ioControl and OptoControl only allow Celsius temperature scaling4.04/2/2008
KB80097PCI-AC5 causes -1 in PCI Locator when 'Blink Board' is pressed1.03/31/2008
KB57824'Move I/O Unit to Numeric Table Ex' command may write to wrong table locations4.03/27/2008
KB57299SNAP-PAC-R unit watchdog timers sometimes time out unexpectedly5.03/18/2008
KB59311PAC Display allows import of ioDisplay Basic project missing discrete tag bit assignment2.03/18/2008
KB80077Pentium 4 and newer computers cannot communicate with PCI-AC5 adapter cards1.03/17/2008
KB80027FTP server creates 0 KB length file and does not return error1.03/13/2008
KB80052Ethernet devices may not respond as expected because of duplicate subnets on SNAP PACs3.03/10/2008
KB80043OptoOPCServer's Opto Easy OPC Forms VB example does not compile2.03/10/2008
KB80042SyncRead in OPCCache mode causes OptoOPCServer memory leak2.03/10/2008
KB80028Copy and paste problems with polygon type graphics in PAC Display2.03/10/2008
KB80029Historic logging not starting up in PAC Display2.03/10/2008
KB80066Digital input points not listed in Control Engine Driven Attributes in PAC Display Configurator2.03/10/2008
KB80016OptoOPCServer returns truncated strings to clients1.02/28/2008
KB80059M4RTU 'RUN' LED continually flashes on power up1.02/22/2008
KB80040SNAP-LCM4 controllers with newer clock chip may reset with Cyrano firmware1.02/19/2008
KB60414SNAP-PAC-R control engines' STAT LED may remain dark after firmware downloads or restarts1.02/13/2008
KB80024Sporadic erroneous analog module readings possible with some M4RTU controllers2.02/12/2008
KB61230SNAP-IDC5Q counter item IDs not displayed in OptoBrowser Configurator1.02/8/2008
KB61229Incorrectly displayed X-Y plots in PAC Display 1.02/8/2008
KB61232Unexpected windows opened by PAC Display default window configuration 1.02/8/2008
KB61226Configured PID loops incorrectly displayed by PAC Manager1.02/7/2008
KB60900'Is I/O Unit ready?' ioControl command always returns FALSE and puts errors in the queue2.01/15/2008
KB60280Problems with 'Prompt for name' in PAC Display Recipe Upload Manager1.01/15/2008
KB60829Leap year 2008 affects dates recorded by PAC Display and ioDisplay SuperTrends2.01/14/2008
KB60752'Disable Communication to Point' PAC Control command cannot select mistic output points2.01/14/2008
KB51414Incorrect string length written to scratchpad register with OptoMMP Communication Toolkit, ActiveX example2.01/11/2008
KB57439Pressing ENTER twice from some PAC Manager windows may cause blank screen2.01/11/2008
KB60244Comment markers in recipe format file may interfere with PAC Display upload1.01/11/2008
KB58657Simultaneous "Sync Read" on multiple Ethernet I/O may cause OptoOPCServer crash2.01/9/2008
KB60521Canceled recipe in PAC Display still sends notification 1.01/8/2008
KB60509Possbile incorrect status codes if OptoOPCServer writes to multiple items IDs1.01/8/2008
KB60546PAC Display hot keys may cause problems1.01/7/2008
KB60564PAC Display notification windows incorrectly permit latches and counts1.01/3/2008
KB60818Integer tables ranges in PAC Control watch windows1.01/3/2008
KB58925OptoOPCServer may crash if client uses OptoOPCAuto.dll2.012/27/2007
KB60686Problems with PAC Control Pro when importing chart with disabled legacy I/O1.012/27/2007
KB60610SNAP-B3000-ENET and SNAP-ENET-S64 may drop characters when using a serial module1.012/27/2007
KB59514Applications may not connect to Ultimate controller's host port3.012/17/2007
KB56323Repeated use of FTP communication handles could cause problems6.012/12/2007
KB58048Unexpected PID output values possible when setpoint is set from I/O point3.012/12/2007
KB58160Accessing a NULL pointer may cause a Stack Overflow, Bad Quality data 3.012/12/2007
KB58310PAC Display project and OptoOPCServer clients using 64-bit integer tables may have unexpected results3.012/12/2007
KB58578'Move I/O Unit to Numeric Table' PAC Control command causes intermittent error -34.012/12/2007
KB58607Digital module states not reported accurately using Modbus/TCP protocol and Ultimate I/O2.012/12/2007
KB59458'Ramp Analog Output' command may not work correctly3.012/12/2007
KB58676Unexpected behavior from analog modules if rack voltage is low5.012/12/2007
KB58962Load cell modules may need reconfiguration if used without PAC Control3.012/12/2007
KB60436Configuring graphic's security in PAC Display or ioDisplay may not work as expected1.012/12/2007
KB49822Alarm Point notification option's Enabled checkbox becomes grayed out1.012/12/2007
KB60298Unable to view more than 16 PID loops on SNAP PAC brains1.012/11/2007
KB60177'Import/Copy IO Unit Image' in PAC Manager may cause error message1.012/11/2007
KB60219'View as Hex' in PAC Manager shows Int32 scratchpad area values incorrectly1.012/11/2007
KB54410Downloading firmware from PAC Manager / ioManager to multiple devices may not complete successfully1.012/3/2007
KB60031Moving I/O points on an I/O unit in PAC Manager may cause an error1.012/3/2007
KB54676Out of range float literal assignments in OptoScript could cause strategy download problems1.011/30/2007
KB60001Possible compiler errors in PAC Control if subroutine receives variable instead of a literal1.011/30/2007
KB57333PAC Display / ioDisplay may not open older project4.011/29/2007
KB57412Runtime Operator Logging could affect PAC Display or ioDisplay at startup3.011/29/2007
KB53750Digital point’s IVAL becomes non-responsive while disabled in OptoControl debugger2.011/29/2007
KB59832Grouped graphic objects with polylines may have sizing problems in PAC Display3.011/27/2007
KB59789Changes to PAC Display project may cause problems if loaded during Runtime2.011/27/2007
KB56685Possible odd behavior from PAC Controllers if numeric literals are passed in subroutines1.011/26/2007
KB59096OptoScript allows some commands be used with I/O points on I/O units that don't support the commands2.011/26/2007
KB58312PAC Control action block names may be changed from debug mode2.011/26/2007
KB51029Changes from string literal to null string not saved by PAC Control and ioControl string commands2.011/26/2007
KB57396Text object font in PAC Display may intermittently change under Windows 20002.011/13/2007
KB57630Analog input averaging on a B2 stops if input readings go out of range2.011/7/2007
KB51444View Messages window in ioTerminal may report differently from actual controller error queue2.011/7/2007
KB50356SQL Server 2000 database cannot read/write data to OptoControl tables with OptoConnect 2.011/7/2007
KB57145Runtime Operator Logging not recording some ‘Send Discrete’ functions correctly in PAC Display/ioDisplay3.011/7/2007
KB51989Error –10038 possible when returning to ioControl Debug mode after inspecting PIDs in a prior session2.011/6/2007
KB59334IP address with leading zeros causes error in PAC Manager's Inspect I/O Unit window2.011/2/2007
KB59249Inspecting the SNAP PAC controller error queue when an error references an I/O point may cause problems2.011/2/2007
KB53641When Ethernet peer-to-peer OptoControl controllers can no longer exchange data6.011/1/2007
KB59627'Bit Change' command in PAC Control may cause controller problems 1.010/25/2007
KB59775Changes to PAC Display windows properties affects newly added graphics' visibility2.010/22/2007
KB59782Clicking 'Export' button in PAC Display alarm points window may display two unexpected messages2.010/22/2007
KB59684"Uploading Recipe to File..." message never finishes PAC Display recipe upload1.010/15/2007
KB57195Repeated use of 'Set TPO Percent' PAC Control command, keeps output point turned on2.010/12/2007
KB57916Mistic I/O units going offline may affect operation of other mistic I/O units connected to SNAP-PAC-S13.010/12/2007
KB59258Some PAC Control commands under specific conditions, may cause controller problems3.010/12/2007
KB59467Moving an Int 64 value to a PAC Control string character causes 'Undefined command during download' error2.010/12/2007
KB58672Numeric recipe table indices are reset when >20472.010/12/2007
KB59487Append String option in PAC Display Application Manager may fail at Runtime2.010/12/2007
KB59513Historic data logging does not resume after reconnecting to PAC Display scanner2.010/12/2007
KB58600"Can't find Format File" message in PAC Display from recipe upload3.010/12/2007
KB59428Installing firmware via Ethernet with PAC Manager may fail if there are files on the I/O Unit 1.09/24/2007
KB57068ioDisplay reports it cannot open a project1.09/21/2007
KB56647OptoVersion does not find some PAC Project or ioProject Pro and Basic applications1.09/21/2007
KB57142'Write Only' Generic Read/Write fields in PAC Manager cannot be modified1.09/19/2007
KB59272Converted OptoControl strategies in PAC Control may have problems converting some TPO commands1.09/18/2007
KB57282OptoControl time of day functions do not work on newer SNAP‑LCSX and SNAP‑LCM4 controllers with older firmware1.09/18/2007
KB59170Requesting 127 Modbus TCP holding registers causes incorrect data display1.09/7/2007
KB59015AC5 and G4AC5 cannot turn on digital output point 201.08/27/2007
KB57560SNAP-SCM-485-422 not recognized after 'Restart I/O unit from powerup' from PAC Manager 1.08/16/2007
KB57879Analog modules may incorrectly go to maximum output using B2 or E23.08/8/2007
KB57712Tag database file (.otg) downloaded to E1 or E2 causes problems1.08/2/2007
KB57594'Unable to Load Board Objects' message from PAC Display1.08/1/2007
KB58374Switching primary and secondary servers may truncate older, SuperTrend pen data in PAC Display2.07/30/2007
KB58576Upload recipe files with table indices >2047 may crash PAC Display1.07/30/2007
KB58125OptoOPCServer Browser Configurator gets error 0x80004005 if OptoControl strategy with mistic I/O is opened2.07/30/2007
KB58200When 'Time of Day' is met, OptoDataLink may continually exchange data2.07/30/2007
KB58573Historic logs configured with Start Triggers always have data log points scanned1.07/27/2007
KB58574PAC Display recipe file formatting allowing >2048 consecutive table elements may cause problems1.07/27/2007
KB58575Downloading a recipe file with more than 2048 consecutive table elements causes problems1.07/27/2007
KB58482Multiple data links using 'Opto 22 Device' condition are not detected in OptoDataLink2.07/25/2007
KB58369Control Engine Status attribute may not indicate current control engine status2.07/25/2007
KB58201Frequent OptoDataLink data exchanges at unexpected 'Time of Day'2.07/25/2007
KB58233PAC Manager's Analog Bank feature reads the lower 4 points of high density analog modules2.07/20/2007
KB58324ioManager may crash if control engines with PIDs are inspected2.07/19/2007
KB58337PAC Display AutoCorrect Tags may list unaffected tags in results file1.07/17/2007
KB57625PAC Display historic logging may fail the first time the log file is written to1.07/16/2007
KB57748Table data in historic log is replaced by another table's data in PAC Display 1.07/16/2007
KB57925PAC Manager Port number >32767 displays negative number when inspecting I/O unit2.07/16/2007
KB57775PAC Manager error when I/O Unit Image file does not match the analog modules installed on brain1.07/16/2007
KB58203OptoOPCServer may crash when clients disconnect1.07/16/2007
KB57683Unable to select Bit Index in required field for Notification setup in PAC Display1.07/13/2007
KB54176‘make all’ fails in SNAP OEM Brain Open-Source Software CD2.07/12/2007
KB50922OptoTerm crashes when downloading Forth or controller download files2.07/11/2007
KB51892Unexpected serial I/O unit PID behavior when accessed by an OptoOPCServer client2.07/11/2007
KB57572PAC Display alarm log may not record alarm point's return to normal state1.07/10/2007
KB57440PAC Display error at Runtime if analog points setup for direct I/O unit read2.07/10/2007
KB48743OptoTerm crashes when inspecting controllers with Cyrano firmware, or controllers in loader mode3.07/10/2007
KB53614Data streaming synchronization to multiple hosts modified in SNAP PAC and Ultimate I/O controllers3.07/9/2007
KB54363Inconsistent results from ioControl ‘Generate Reverse CRC-16 on Table (32 bit)’ command 3.07/9/2007
KB54505Open communication handle left after ioControl subroutine exits, may affect controller behavior2.07/9/2007
KB54853Reading or writing to numeric I/O unit scratchpad may return –29 error2.07/9/2007
KB54940Illegal pointer assignments in ioControl subroutines may cause controller lockup3.07/9/2007
KB55154ioControl command ‘Set End-of-Message Terminator’ cannot return error3.07/9/2007
KB55166‘Set End-of-Message Terminator’ may cause problems if set to null when used with ioControl file comm handles3.07/9/2007
KB55168No data waiting for ‘Receive String Table’ immediately expires timeout in ioControl3.07/9/2007
KB55977Receiving data with multiple EOM characters via a serial communication handle yields unexpected results2.07/9/2007
KB56192Null pointers assigned to any I/O point may eventually cause a controller reset2.07/9/2007
KB56283‘Generate Reverse CRC-16 On Table (32-bit)’ command returns wrong value2.07/9/2007
KB57527'Unable to load Board Objects' message when regenerating I/O scanner tags in PAC Display 1.07/9/2007
KB56657An intense burst of Ethernet broadcast traffic may cause multiple controllers to stop communicating3.07/6/2007
KB56666Multiple PAC Control/ioControl communication file handles running simultaneously in multiple charts3.07/6/2007
KB56787MoveIoUnitToNumTable PAC Control/ioControl command may write to wrong table index5.07/6/2007
KB57617'Set Analog Filter Weight' command may disable I/O unit2.07/6/2007
KB56793IVAL not cleared with ‘Get & Clear On‑Latch’ or ‘Get & Clear Off‑Latch’ commands3.07/6/2007
KB51181Config EEPROM ‘Set’ button in PAC Control / ioControl Debug mode disables I/O unit3.07/6/2007
KB51806Paused, expired uptimers and the ‘Timer Expired?’ ioControl command3.07/6/2007
KB51848Ethernet I/O analog point IVALs not displayed in I/O Unit inspection window5.07/6/2007
KB53147Potential problem using FTP communication handles, reports an error ‑4087.07/6/2007
KB57605Incorrect on/off states returned for standard SNAP digital modules in rack positions 8 - 151.07/5/2007
KB54532Setting point's filter weight may cause filtered value to go to ‑1.#INF2.07/5/2007
KB54562Unexpected ‘Ramp Analog Output’ PAC Control/ioControl command response if ramp endpoints are out of range3.07/5/2007
KB57162Possible intermittent TCP communication through Outgoing PPP on SNAP PAC and Ultimate control engines3.07/5/2007
KB56600ioControl / PAC Control ‘Move Numeric Table to I/O Unit’ command attempts to write to disabled I/O units3.07/5/2007
KB57101Attempts to serially install Ethernet I/O firmware may cause mscomm32.ocx error1.07/3/2007
KB58101Watchdogs do not work if higher density modules are configured2.07/3/2007
KB56073Expanded support for 64 high-speed digital I/O points on SNAP‑PAC‑R11.06/29/2007
KB57870Online Help not available from PAC Display Event Log Viewer1.06/26/2007
KB57143Network computers not available for PAC Display SuperTrend Remote Logging1.06/4/2007
KB57575‘Find and Replace’ tool in PAC Control may not work correctly in OptoScript blocks1.05/23/2007
KB57406Filename from string tag may fail for trigger-based event in PAC Display2.05/23/2007
KB57202Some ‘Status Write’ commands in PAC Manager may not work1.05/23/2007
KB57243Creating new I/O unit from image source in PAC Manager does not work for SNAP‑UP1‑M64 or SNAP‑ENET‑S641.05/23/2007
KB57401PAC Display historical log file entry may only have commas2.05/23/2007
KB57405Message box for new alarm points in PAC Display may not appear2.05/22/2007
KB57306Rapidly changing PAC Display/ioDisplay alarm point states may have unexpected results 3.05/22/2007
KB57387Window appears to not open when configured graphic selected in PAC Display2.05/22/2007
KB57271Event messaging on SNAP-PAC-EB23.05/21/2007
KB57251Limited communication watchdog operation on SNAP-PAC digital outputs2.05/21/2007
KB56949DTR signal on SNAP-PAC-S1 port 0 is asserted at power-up2.05/21/2007
KB57248Watchdog configured in PAC Control on digital output point may not work2.05/21/2007
KB57247PAC Manager Inspect window information may be truncated2.05/21/2007
KB57385Auto Synchronization of controller time to PC time may be off by 12 hours in PAC Display Runtime3.05/15/2007
KB57300‘Condition’ criteria may affect ioDisplay alarm point characteristics1.05/7/2007
KB57146Trigger based historic logging may record data once instead of using stop trigger conditions2.05/1/2007
KB57139‘Switch to Loader Mode’ command in PAC Manager is not supported by all Ethernet I/O units1.04/27/2007
KB57140I/O unit configuration not created with PAC Manager on PAC units1.04/27/2007
KB57015Erratic tag quality from OptoOPCServer if custom client uses tag name with trailing spaces2.04/26/2007
KB51379Event/Reaction conditional commands in ioControl may add errors to the controller error queue3.04/24/2007
KB56892SNAP-PAC-EB1 and SNAP-PAC-EB2 tags not available in OptoOPCServer Browser Configurator2.04/23/2007
KB56439Modbus/TCP writes to digital outputs on SNAP-PAC-R2 are unsuccessful2.04/23/2007
KB56419‘Set Mistic PID P Term’ with SNAP-PAC-S1 and Mistic I/O units, affects PIDs2.04/23/2007
KB57034Simultaneous connection requests for the same TCP port on ENET1 and ENET2 may affect SNAP-PAC-S1 operation3.04/23/2007
KB56847OptoOPCServer returns erratic tag quality if OPC client refers to data item incorrectly2.04/23/2007
KB56458Opened window in PAC Display may show older data until refreshed by OptoOPCServer1.04/12/2007
KB56851PAC Display historic logs may not log string data as expected3.04/11/2007
KB56849Some ioDisplay to PAC Display migrations may not be completed2.04/10/2007
KB56759Table objects in PAC Display Runtime appear to not be selectable2.04/10/2007
KB56854Alarm sound may not restart if PAC Display point goes back into alarm2.04/10/2007
KB56852Alarm sound may play continuously in PAC Display2.04/10/2007
KB56749‘Convert Number to String Field’ OptoControl command with float value gives incorrect results1.04/5/2007
KB55105CPU usage may increase when OptoOPCServer accesses I/O tags3.04/3/2007
KB55747‘Add item’ returned from ioDisplay if I/O point is not supported1.03/29/2007
KB55840Security enabled graphic in ioDisplay allows most users to activate it in non-English Windows operating systems1.03/29/2007
KB56429Control engines deleted from PAC Display project may cause errors1.03/28/2007
KB56430Recorded operators in ‘Runtime Operator Log File’ for security enabled objects in PAC Display1.03/28/2007
KB56613Integer 64 and 64-point I/O units with some PAC Control block commands2.03/27/2007
KB56346PAC Control strategies converted from ioControl do not allow addition of certain modules1.03/27/2007
KB54041ioManager port configuration produces message 0xFFFFFFF32.03/27/2007
KB56431Problems when saving an imported ioDisplay project in PAC Display1.03/26/2007
KB55299Divide by zero operation returns valid results in ioControl strategy2.03/20/2007
KB56343When the Opto 22 Device data remains the same and OptoDataLink doesn’t exchange data1.03/20/2007
KB55767ioManager not assigning Gateway IP on M4SENET-100 and some Ethernet I/O units2.03/19/2007
KB55406Overflow error possible resulting from converted OptoControl to ioControl strategy with Event/Reactions2.03/19/2007
KB53350ioManager incorrectly displays negative counts for SNAP-IDC5Q 2.03/19/2007
KB52731‘Reset Points to Default’ command in ioManager resets Ethernet I/O units3.03/19/2007
KB52719Inactive Browse button for ‘Download file from I/O Unit’ command in ioManager2.03/19/2007
KB54102‘Edit PID has a bad format’ message in ioManager when copying and pasting I/O unit configurations2.03/19/2007
KB56017mistic PIDs become unresponsive on re-download of large ioControl strategy1.03/14/2007
KB55302ioDisplay stops updating windows when float values reach +3.4e38 or ‑3.4e383.03/12/2007
KB55854ioDisplay may terminate unexpectedly when no windows are open and an empty area of the toolbox is clicked2.03/9/2007
KB53707ioDisplay ‘Synchronize at Runtime startup’ settings may not work for different user2.03/9/2007
KB54082Changes to XY-plot graphic in ioDisplay Configurator 2.03/9/2007
KB55259ioDisplay project configured for on-screen keyboard, requests password from regular keyboard2.03/9/2007
KB55618Duplicated metafile graphic not visible in ioDisplay 2.03/9/2007
KB53303ioDisplay alarm points are truncated in alarm window3.03/9/2007
KB53476ioDisplay historic alarm graphic may display two entries when alarm point is triggered2.03/9/2007
KB55253Canceling password window closes calling window in ioDisplay 3.03/9/2007
KB55848Serial port on SNAP-PAC controllers may return errors including -522.03/8/2007
KB55161SNAP-PAC-R1 may report incorrect digital or quadrature counts2.03/7/2007
KB54846Default gateway configuration on primary port may affect secondary port communication on PAC controllers2.03/7/2007
KB54480Variable names matching OptoScript command names may cause compiler problems in ioControl1.03/6/2007
KB51837Re-enabled SNAP-PAC-S1 redundant ports cannot re-enable SNAP-PAC-R1 2.03/2/2007
KB54744‘Find and Replace All’ ioControl function may close application1.03/1/2007
KB53151Using a \” in a literal affects how ioControl’s OptoScript displays subsequent text2.03/1/2007
KB54482Like named ioControl charts and subroutines may cause controller reset1.03/1/2007
KB54753‘Replace All’ command in ioControl OptoScript, replaces text in wrong location1.03/1/2007
KB55187Invalid serial port value in communication handle command successful on SNAP-PAC-S12.03/1/2007
KB47958From OptoControl, Ethernet-based I/O units may go offline if number of characters waiting not checked before receiving characters3.02/26/2007
KB55236SNAP-PAC-S1 in peer-to-peer network may reset if controller is stopped2.02/23/2007
KB55825Scratch pad not stored to SNAP-PAC-S1 flash EPROM1.02/23/2007
KB55091‘Set I/O Unit from MOMO Masks’ ioControl command affecting input IVALs on SNAP-PAC-S1 to serial I/O unit2.02/21/2007
KB55182‘IVAL Set I/O Unit from MOMO Masks’ ioControl command not setting disabled serial I/O unit2.02/21/2007
KB53454Blank pop-up may appear in Opto Browser Configurator when updating server database2.02/21/2007
KB55930Problems while printing ioControl subroutine or chart graphics2.02/20/2007
KB52576Unexpected results if SNAP-AITM type module or SNAP-AIRTD is reconfigured with a different Point Type2.02/14/2007
KB55584Large Int64 table element value partially visible in ioControl Debug mode1.01/23/2007
KB55252Text placed on Table graphic, hidden in ioDisplay Configurator 2.01/11/2007
KB55262Some ioDisplay functions may not write to the PC hard drive 1.01/9/2007
KB53373Calibration of analog inputs from ioManager may not take effect3.01/5/2007
KB55177ioDisplay alarms not always showing correct state when using Condition tag1.01/5/2007
KB51899Unable to set SNAP-AILC parameters from ioManager2.01/5/2007
KB52200ioDisplay Trend graphic without configuration causes problem at Runtime2.01/5/2007
KB52368ioDisplay Configurator may crash when SuperTrends are configured for very low scaling and refresh rates2.01/4/2007
KB55178ioDisplay alarm point configured to a Value ‘Tag’, does not indicate alarm condition1.01/4/2007
KB51758The Send Value ‘Offset’ feature in ioDisplay not working as expected2.01/4/2007
KB54490Alarm sound may not activate if ioDisplay launched with PC shortcut1.01/4/2007
KB51157ioDisplay unresponsive from corrupt Symbol Factory graphic2.01/3/2007
KB55175X-Y Plot ‘Show Legend in Runtime’ option in ioDisplay is always selected1.012/27/2006
KB55016Alarm state priority in ioDisplay kept if all alarm states are set1.012/27/2006
KB52680‘Find’ in running OptoControl or ioControl strategy with very large charts may cause crash2.012/21/2006
KB53999ioControl archived strategy on control engine2.012/21/2006
KB52544Memory leak in ioControl and OptoControl Find option3.012/21/2006
KB52178Some OptoScript commands used with Integer 64 may cause unexpected controller behavior2.012/20/2006
KB51958ioControl command ‘Convert Number to Formatted Hex String’ returns incorrect string2.012/19/2006
KB53811SNAP-UP1-ADS may return incorrect digital or quadrature count values1.011/7/2006
KB54377SNAP-PAC-S1 asserts RS-485 port transmitter on power-up1.011/7/2006
KB54495TCP connections to Modbus server not closed correctly on SNAP-PAC-R and Ultimate I/O controllers1.011/6/2006
KB54324ioControl ‘Move Numeric Table to I/O Unit’ command changes input point IVALs2.011/6/2006
KB53751Possible reset from repetitive use of ioControl ‘Get & Restart On-Pulse Measurement’ or ‘Get & Restart Off-Pulse Measurement’ commands3.011/6/2006
KB52604Unexpected behavior such as analog point values not updating on SNAP-PAC products1.011/6/2006
KB53128An I/O unit returns unexpected results from analog and digital I/O in PAC Control2.010/24/2006
KB53347PID Output not responding to ioControl ‘Set Mistic PID Input’ command on Mistic I/O unit2.010/20/2006
KB52143Storing strategy to SNAP-LCE flash EPROM causes communication loss2.010/20/2006
KB52410ioControl ‘Start Chart’ may return –5 status if eight charts are already running on SNAP-PAC-R controllers2.010/20/2006
KB52733Event timers on Ethernet I/O units begin counting down as soon as they are configured2.010/20/2006
KB51833Changes to SNAP-PAC-R1 and SNAP-PAC-R2 Scanner Flags have no effect 2.010/20/2006
KB52706Incorrect default millivolt scaling for SNAP-AITM and SNAP-AIMV type modules on Ethernet I/O units4.010/19/2006
KB52885Analog output modules in positions 8 to 15 do not respond to ioControl ‘Ramp Analog Output’ command4.010/19/2006
KB52485Ethernet controllers and brains may reset if ‘Start PPP’ sent before PPP initialized2.010/19/2006
KB52495I/O unit may reset if Outgoing PPP link is not established and event message emails or other TCP transmissions become active 2.010/19/2006
KB53950Analog input point filtering continues to include out of range count values, ‑32768, on Ethernet I/O units2.010/19/2006
KB54095Third-party driver ‘biolsp.dll’, may affect OptoOPCServer operation1.010/13/2006
KB54208Pointer variables and ‘Find’ option in OptoControl may show results that don’t contain variable1.010/12/2006
KB53175Converting strategies from OptoControl to ioControl and some string commands2.010/3/2006
KB52595B6 analog outputs may not go to configured watchdog values1.09/27/2006
KB52846How to configure the Windows XP firewall for ioManager and IP address configuration1.09/15/2006
KB50238Under certain conditions, manually enabling I/O unit from ioControl debug mode may cause problem1.09/8/2006
KB50621Pre R7.0 ioControl strategies and PID loop’s Output Maximum Change Rate1.09/7/2006
KB50622ioControl Replace feature may have unexpected results if OptoScript code ends in newline1.09/7/2006
KB52612How to delay the automatic startup of ioDisplay Runtime1.09/6/2006
KB53389Downloading and starting an ioControl strategy with PIDs on Ethernet-based I/O units, may cause outputs to spike 2.09/5/2006
KB50037Accessing string variables or string table elements with ioDisplay or OPC Client may cause error4.08/29/2006
KB53062ioDisplay and OptoOPCServer clients slow to reconnect when using Windows XP, SP21.08/29/2006
KB50335Limited number of ports with the ‘Listen for Incoming Communication’ ioControl command5.08/29/2006
KB53125Modifying Custom Caption in windowless project, crashes OptoDisplay Configurator1.08/23/2006
KB53294FactoryFloor controllers using ARCNet as host port, and booting into loader mode1.08/22/2006
KB53137G4IDC5Q occupies only one module position in ioControl and OptoControl1.08/16/2006
KB50623The ioControl ‘Replace’ function does not indicate changes made to OptoScript code 1.08/1/2006
KB50631‘TValue::Get’ message from ioDisplay Runtime if Send Discrete and Send Value are configured for same graphic1.07/31/2006
KB50630AutoCorrect Tags tool in ioDisplay occasionally omits tags1.07/31/2006
KB52483Unexpected reset behavior from surface mount style B61.07/27/2006
KB51547Streaming interval and improved performance from SNAP-PAC-R controllers4.07/21/2006
KB52780OptoENETSniff is not capturing data1.07/21/2006
KB51548Analog bank area reporting 0 (zero) for non-existent points in SNAP-PAC-R controllers2.07/17/2006
KB52620Activated B6 watchdog causes random analog output values1.07/17/2006
KB52394Some ioControl analog filter weight commands cannot select analog points configured on Ethernet I/O units2.07/17/2006
KB51388GetValueFromName ioControl command may cause –12 error3.07/5/2006
KB51461Saving an ioControl strategy may have unexpected results3.07/5/2006
KB50224Renaming expanded numeric or string tables used in ioControl and OptoControl watch windows3.07/5/2006
KB50694OptoControl analog point scaling configuration is not overwritten by the ioManager .otg file2.06/26/2006
KB50851Counters configured on SNAP-PAC-R1 and SNAP-PAC-R2 not available to ioControl commands1.06/22/2006
KB50840Windows clipboard locks when attempt to paste graphic into ioDisplay window fails1.06/22/2006
KB50824Problems with moving analog points on a serial B3000 in ioControl1.06/22/2006
KB51005ioDisplay alarm points may ignore discrete tag values1.06/21/2006
KB51648Attempts to read flash memory on the SNAP-PAC controllers3.06/20/2006
KB52008How to connect OptoConnect to a SQL Server 2000 database on a remote computer2.06/20/2006
KB52179Reference to a PID by another PID may cause an ‘Undefined command’ error in ioControl1.06/19/2006
KB51834Storing to flash on brains does not store SNAP-AILC load cell parameters3.06/16/2006
KB52053SNAP-PAC-R2s configured in ioControl as I/O units may behave unexpectedly2.06/16/2006
KB51140OptoVersion does not scan Professional and Basic executables1.06/13/2006
KB51150Symbol Factory graphics dragged, dropped, and then modified, may disappear in ioDisplay Configurator1.06/8/2006
KB51612Continuous alarm sound in ioDisplay3.05/31/2006
KB51599I/O unit limits Type C thermocouple temperature range on SNAP‑AITM‑22.05/26/2006
KB51716SNAP-PAC-R controllers and PID loop’s ‘Min Change’ option2.05/26/2006
KB51709Data logging on SNAP-PAC-R controllers3.05/26/2006
KB51707Communication watchdog on SNAP-PAC-R controllers2.05/25/2006
KB51556Pamux B6 and the communication watchdog timer2.05/24/2006
KB51232ioDisplay Configurator produces ‘Unable to Load PID Objects’ error1.05/24/2006
KB51346Uploaded ioDisplay or OptoDisplay recipe destination file is inaccessible2.05/19/2006
KB50320Charts with names 35 characters or longer in ioControl, OptoControl, ioTerminal, and OptoTerm3.05/19/2006
KB51463File time from ioManager for a file stored on an Ultimate I/O unit 3.05/5/2006
KB51004SNAP-PAC-S1 and disabling of mistic digital outputs in ioControl3.05/4/2006
KB51056Inspecting pointers during ioControl Debug mode may cause errors3.05/2/2006
KB51039Disabling a TPO digital output disables the Ethernet-based I/O unit2.05/1/2006
KB51071TPO digital outputs and setting the period to 0 (zero)2.05/1/2006
KB50974SNAP-AOD-29 TPO module and setting the analog TPO period2.05/1/2006
KB50301ioControl subroutines and digital output pointer types3.05/1/2006
KB50867Improved the way ioDisplay handles metafiles 2.05/1/2006
KB51176SNAP-AILC scaling remains at default setting2.05/1/2006
KB51283Stopping and starting ioControl charts with subroutines may cause control engine reset2.05/1/2006
KB51068Using ‘Is I/O Unit Ready?’ on a restarted I/O unit causes lock up2.05/1/2006
KB50821Control engine continues to update disabled serial B3000 analog point3.05/1/2006
KB50222SNAP-PAC-S1 and serial I/O unit enabling from ioControl3.05/1/2006
KB47890Invalid analog readings possible while erasing and writing to flash memory on Ethernet-based I/O units4.05/1/2006
KB51159Inspecting PID loops in ioControl debug mode1.05/1/2006
KB51184Windows metafile graphics may disappear in ioDisplay Configurator1.04/28/2006
KB51289Too many 'elseif' statements in OptoControl may cause an error during download1.04/27/2006
KB49909Analog input filter weight goes to zero when ioControl strategy is run3.04/27/2006
KB49463Modified metafile graphics in ioDisplay Configurator3.04/27/2006
KB50058SNAP-PAC-S1 communicating to a G4D32RS I/O unit with ioControl4.04/27/2006
KB49973Opening OptoEnetSniff data log files for analysis3.04/27/2006
KB48646Copy Current Error To String command in ioControl may misreport a message3.04/27/2006
KB48069WriteNumToIoUnitMemMap command in ioControl not writing values to SNAP-LCE scratchpad3.04/27/2006
KB48223ioDisplay may display an extra character in some negative numbers4.04/27/2006
KB47464Points configured as disabled in ioControl Configure mode, become enabled when the strategy is run4.04/27/2006
KB1435Inspecting persistent variables in a Snap-LCE strategy may cause unexpected behavior3.04/27/2006
KB48174Incorrect SNAP-AOD-29 period measurement by serial B30003.04/27/2006
KB48353High density digital breakout board jumpers are reversed2.04/27/2006
KB47505Some B200 PID settings in OptoControl may affect PID scanning2.04/27/2006
KB1430'Move to Pointer' command in OptoControl, and Snap Simple 64 pointer cause error during strategy download1.04/27/2006
KB1424Null string assignments not permitted after a strategy is saved and closed out of ioControl4.04/26/2006
KB48279Data quality may appear to change states frequently in OptoDisplay and ioDisplay4.04/25/2006
KB48591Moving I/O points to a valid position in OptoControl2.04/25/2006
KB48542ioDisplay and High Density Digital module point access3.04/25/2006
KB49175Time Stamp and Date Stamp are reporting the control engine’s time and date in ioDisplay 3.04/25/2006
KB48677‘Enable Communication to I/O Unit’ command and restoring I/O configuration in ioControl3.04/25/2006
KB48938Mismatched I/O module configuration may affect SNAP-UP1-M64 startup3.04/25/2006
KB49316Inspecting SNAP-B3000-ENET PIDs causes 'Invalid memory location' message 2.04/25/2006
KB49424Load cell commands in ioControl change when added to a strategy3.04/25/2006
KB49807OPC clients accessing unavailable string tag types, may affect updates in OptoOPCServer3.04/25/2006
KB47756The Lo alarm in ioDisplay may not trigger4.04/25/2006
KB47872Digital points may not be available to ioDisplay Historic Data Logs4.04/25/2006
KB48089PID ‘forced value’ parameter may be limited by ioControl4.04/25/2006
KB48237SNAP-IDC-HDB and SNAP-ODC-HDB header connector orientation3.04/25/2006
KB47789SNAP-AIVRMS and SNAP-AIARMS module readings may become fixed at -327683.04/25/2006
KB49885ioDisplay Runtime and the Enable SuperTrend Pen window2.04/24/2006
KB49250Improved true power readings at low current range from SNAP‑AIPM2.04/24/2006
KB49213SNAP-AIPM true power reading changes +/- signs2.04/24/2006
KB48507Volt-Amp and power readings from SNAP-AIPM modules are partial scale2.04/24/2006
KB47724I/O point name change in tag database file is imported as a new point in ioControl 2.04/24/2006
KB1428The AND/OR operator option appears in an action block while in Online mode in ioControl4.04/24/2006
KB49261Digital point features and non-Digital Point commands in OptoControl2.04/24/2006
KB49872Trends in ioDisplay Basic may appear to freeze when data is constant4.04/24/2006
KB49581Enabling IP Filtering for IP Security on control engines affects ioControl strategy downloads2.04/24/2006
KB50015ioDisplay Runtime Basic and values sent to a control engine3.04/24/2006
KB49757Incomplete alarm time displayed in ioDisplay Professional2.04/24/2006
KB50118Windows dynamic attribute and password protected windows in OptoDisplay2.04/24/2006
KB48977G4FUSE may cause intermittent G4 output module operation 2.04/24/2006
KB48510SNAP-B3000-ENET may reset under particular high speed I/O conditions and high speed SNAP-IDC5Q counting4.04/24/2006
KB47922ioControl allows assignment of a larger than 32-bit number to an Integer 32 variable4.04/24/2006
KB1432Control engine change and log file name from a String Name, disables historic logging to a file in ioDisplay3.04/24/2006
KB1426Ethernet brains may not establish PPP connections at 19200 bps or faster baud rates3.04/24/2006
KB1431ioDisplay SuperTrend RAM usage value displayed is incorrect4.04/24/2006
KB1429Adding a tag in OptoOPCServer Browser Configurator sometimes causes error 0xc00400083.04/24/2006
KB47577Some graphics may become focus-frame and beep enabled in ioDisplay4.04/24/2006
KB47607OptoDisplay and ioDisplay object dimensions are limited to 999 when entered in the Graphic Dynamic Attributes window4.04/24/2006
KB48061Engineering unit scaling issue when using serial B3000 with SNAP‑AIVRMS and SNAP-AIARMS modules4.04/24/2006
KB47868SNAP-AIVRMS and SNAP-AIARMS may have periodic inconsistent readings by serial B3000 3.04/24/2006
KB48056Serial B3000 issues in firmware versions 81.30 and 81.312.04/21/2006
KB48091Analog inputs configured as scalable, report a fixed value corresponding to 0 counts on serial B30003.04/21/2006
KB48172Opening a window with metafiles in ioDisplay or OptoDisplay Runtime may cause program termination 5.04/21/2006
KB49525The ioDisplay ‘Send Discrete’ dynamic attribute Bit field2.04/21/2006
KB50153Controller will not boot up properly after storing strategy to flash3.04/19/2006
KB50950SNAP-PAC-S1 may infrequently reset due to EMI1.04/18/2006
KB50817Unresponsive control engine due to certain error conditions1.04/18/2006
KB50707SNAP-PAC-R1 and possible corrupt ioControl persistent variables, counters, data logging values, and some variables2.04/12/2006
KB50148Deleting and undeleting an ioDisplay alarm may affect alarm points2.04/12/2006
KB49106Event log messages from Sync All Control Engines to PC’s Time/Date in ioDisplay2.04/12/2006
KB50414SNAP-PAC-S1 and some ioControl string commands2.04/11/2006
KB50302ioControl ‘IVAL Set Counter’ command and SNAP-PAC-S12.04/11/2006
KB50281Running maximum number of charts and Call Chart command on ioControl control engines2.04/11/2006
KB50292SNAP-PAC-S1 communicating to a SNAP-BRS I/O unit with ioControl2.04/11/2006
KB50208ioControl Move I/O Unit Table command with a serial B3000 and a SNAP‑PAC‑S12.04/11/2006
KB50070Improved handling of idle session timeouts by control engines3.04/11/2006
KB49800SNAP-PAC-S1 and –87 Open error message while communicating to serial B30002.04/10/2006
KB49934ioControl commands Set TPO Percent and Get I/O Unit as Binary Value with SNAP-PAC-S1 and serial I/O units2.04/10/2006
KB49853Numeric Table Element Bit Clear/Bit Set commands in ioControl with persistent tables2.04/10/2006
KB50036FTP communication handle support on SNAP-PAC-S12.04/10/2006
KB50049Control engines and data transfers using FTP communication handles2.04/10/2006
KB49881Extended IP timeout along with incoming IP session requests may reset the SNAP-LCE or SNAP-PAC-S12.04/10/2006
KB50017SNAP-PAC-S1 may enter reset state after storing a large strategy to flash2.04/10/2006
KB50998Infrequent possibility for SNAP-PAC-S1 and SNAP-PAC-R1 resets1.04/5/2006
KB50275An I/O unit configured in ioControl remains disabled until the control engine is power cycled2.04/4/2006
KB50636Inspecting PID loops on some SNAP-B3000-ENET I/O units with ioManager1.03/23/2006
KB50639ioManager and Current Value of Input and Current Value of Setpoint for PID Loops2.03/23/2006
KB50210Testing IP address assignment in ioManager2.03/16/2006
KB50024Send Value dynamic attribute with an offset may close ioDisplay Runtime2.03/16/2006
KB50296Serial B3000 with configured analog input module not on the mounting rack1.03/14/2006


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