Opto22 - Resources & Tools

PAC Control: Changing type of I/O unit for a subroutine parameter causes parameter to disappear and compile errors

Knowledge Base - KB89495 - 7/6/2023

If a parameter of a subroutine has an I/O unit as the type (for example, SNAP-PAC-R1), and then you change the I/O unit to another type (for example, GRV-EPIC-PR1), the parameter may disappear from the...more

PAC Control: Watch Window starts updating with the second element

Knowledge Base - KB84720 - 7/6/2023

PAC Display Runtime: Crash on startup if project enables Tooltips

Knowledge Base - KB90583 - 7/6/2023

If your PAC Display project has a Tooltip on an object, when you run the project in PAC Display Runtime, PAC Display Runtime may crash.

PAC Control: Inspect window shows incorrect value for float parameter passed into subroutine

Knowledge Base - KB90557 - 7/6/2023

If a passed parameter to a subroutine is a float variable, the Inspect window displays the value incorrectly.

Delay in detecting a communication failure

Knowledge Base - KB90501 - 8/17/2023

On rare occasions, when using OPC UA or Sparkplug configured with the local I/O of the device where the Data Service is running, detection of a communication failure may be delayed.

Deploying a large Node-RED project causes a 413 error

Knowledge Base - KB90518 - 8/17/2023

When you deploy a large Node-RED project, the deployment fails and the Node-RED editor displays "Deploy failed: 413 Request Entity Too Large" error message.

PAC Control - Watch Window may behave incorrectly or display error after using Save Strategy As

Knowledge Base - KB90561 - 7/6/2023

Cannot disable SNMP port on SNAP-B3000-ENET

Knowledge Base - KB90607 - 7/6/2023

Disabling the SNMP port on a SNAP-B3000-ENET by setting the port to 0 doesn’t work; the port returns to 161 after reboot.

Switching between groov Manage and groov View multiple times on groov EPIC touchscreen may cause restart

Knowledge Base - KB90510 - 7/6/2023

If you switch between groov Manage and groov View multiple times (more than approximately 10 times) on the groov EPIC touchscreen, the groov EPIC may restart. The restart may occur days or weeks after switching between groov Manage and groov View.

I/O Services may become unresponsive upon startup or after installing a GRV-IVAPM-3 module

Knowledge Base - KB90508 - 7/6/2023

You may observe a lack of response from I/O services (including the I/O Services page, the memory map, and the I/O), a yellow banner at the top of groov Manage with the message "I/O offline"...more

GRV-IDCSW-12: Channel configured with pulse feature may not measure duration nor clear the pulse feature

Knowledge Base - KB90581 - 7/6/2023

When a channel on a GRV-IDCSW-12 module is configured with pulse measurement, on occasion, the pulse duration is not measured and the pulse feature is not cleared.

Uninstalling one version of OptoDataLink may disrupt another installed version of OptoDataLink

Knowledge Base - KB90524 - 7/6/2023

Non-zero values for offset on GRV-ITR-12 channels configured as thermistor inputs are not saved correctly

Knowledge Base - KB90560 - 7/6/2023

OptoControl strategy with subroutines that reference PID loops will not convert to PAC Control

Knowledge Base - KB90371 - 7/6/2023

If you try to import an OptoControl strategy with subroutines that reference PID loops, PAC Control produces "unexpected file format" errors.

groov discrete modules occasionally report unusually large frequency measurements

Knowledge Base - KB90549 - 12/9/2023

This issue occurs on channels configured with the continuous frequency feature. Occasionally, the module reports an unusually large value that persists for one measurement scan, typically no more than...more

PAC Control: mistic I/O unit configured with PIDs imported into another strategy may be configured incorrectly or run incorrectly

Knowledge Base - KB89361 - 7/6/2023

If you import a mistic I/O unit configured with PIDs into another strategy, you may observe that the PID may not be configured as it was originally and a "Tag Database Import Errors" tab may open in PAC Control.

OptoDataLink projects configured with SQL Server 2012 - 2014 display blank area in Configurator

Knowledge Base - KB90536 - 7/6/2023

If you have an OptoDataLink project that has entries with a Database Type of SQL Server 2012 - 2014 and the project configuration file was created with a version of OptoDataLink earlier than R10.5a...more

OptoDataLink service may crash when stopping links

Knowledge Base - KB90521 - 1/29/2024

When you attempt to stop data links from either OptoDataLink Monitor or OptoDataLink Configurator, the OptoDataLink service may crash. Restarting OptoDataLinkRuntime does not resolve the issue; if you...more

OptoDataLink links may fail to start

Knowledge Base - KB90520 - 7/6/2023

In OptoDataLink, you may observe that your links won't start. This behavior occurs whether you save (click File > Save) and then run the links (click Run > Start all links), or click the Save and Start All Links button.

Erratic behavior or computer restarts while running OptoDataLink links

Knowledge Base - KB90533 - 7/6/2023

When OptoDataLink links are running, you may observe that your application behaves erratically, crashes, or computer possibly restarts.

PAC Control "Get I/O Unit as Binary Value" command may return incorrect values for certain SNAP I/O units

Knowledge Base - KB90059 - 12/14/2023

When using a 32-bit integer variable in the Put In argument of the Get I/O Unit as Binary Value command and specifying an impacted SNAP I/O unit that has any channel from 31 to 63 set to ON in the From argument, you may receive incorrect values.

Move to Pointer Table Element command in OptoScript block generates invalid error

Knowledge Base - KB90015 - 7/6/2023

PAC Control suggests an incorrect method to write OptoScript code for specifying a pointer variable to argument 0 of the Move To Pointer Table Element command.

"Averaging Filter Weight" checkbox not checked when upgrading strategy that has "Set Value" checked

Knowledge Base - KB90529 - 7/6/2023

If you have a pre-R10.5a strategy that contains analog inputs where the Send Value checkbox is checked and a value is specified for Average Filter Weight, when you open that strategy in PAC Control R10...more

Downloading strategy with E2 I/O unit returns -60 error

Knowledge Base - KB90528 - 7/6/2023

If your strategy has an E2 I/O unit where you configured the analog input points with Offset and Gain through the Add/Set Analog Point window, when you download the strategy, PAC Control returns a -60 (empty stack) error.

LED on legacy products may glow dimly in OFF state

Knowledge Base - KB90532 - 7/6/2023