Opto22 - Resources & Tools

Static Route remains in effect after deletion

Knowledge Base - KB90221 - 7/7/2022

After deleting a static route, groov Manage removes it from the list of static routes on the Static Routes page, but it continues to exist in the IP routing table, which means it remains in effect.

FTP "delete" command may not delete remote file

Knowledge Base - KB90188 - 6/17/2022

In a PAC Control strategy, if you use the Send Communication Handle FTP delete command to delete a file from a remote FTP server, the command may fail to delete the file and not return an error.

Static Routes page incorrectly uses the term "Next Hop"

Knowledge Base - KB90217 - 7/7/2022

Static Routes configuration UI uses the terms "next hop" and "nexthop" incorrectly; the correct term is "destination".

FTP "get" command doesn't retrieve an empty file

Knowledge Base - KB90187 - 6/17/2022

In a PAC Control strategy, if you use the Send Communication Handle FTP get command to retrieve a file from a remote FTP server, if the file is empty, the command will fail to retrieve the file and not return an error.

FTP "dir" command may not return all of the directory entries from an FTP server

Knowledge Base - KB90181 - 6/17/2022

In a PAC Control strategy, if you use the Set Communication Handle FTP dir command to obtain the directory listing of a directory with many files, the dir command may return only a partial directory listing.

CODESYS PROFINET Fieldbus Stops Working After 12.5 Days

Knowledge Base - KB90225 - 4/14/2022

groov RIO I/O unit reconfigured after power cycle or strategy download; output channels change values

Knowledge Base - KB90189 - 4/21/2022

After a processor or controller power cycle or a strategy download, groov RIO I/O is completely reconfigured and output channels change their values.

Channel configured as FastADC, Thermistor: Custom Curve returns invalid data

Knowledge Base - KB90173 - 4/14/2022

With this issue, a channel on a GRV-ITR-12 module that is correctly configured as a FastADC, Thermistor: Custom Curve channel type returns invalid data messages.

groov Manage doesn't display fields to enter Steinhart-Hart coefficients

Knowledge Base - KB90170 - 4/6/2022

In groov Manage, when you are configuring a GRV-ITR-12 module and you select FastADC, Thermistor: Custom Curve for the channel type, groov Manage does not display the fields to enter the Steinhart-Hart Coefficients.

Control engine sometimes overwrites filter, offset, and gain values on analog inputs

Knowledge Base - KB90090 - 4/7/2022

With this issue, the control engine may set the filter, offset, or gain value for an analog input channel to zero, even if the "Send" box is not checked.

groov EPIC processor becomes unresponsive

Knowledge Base - KB90097 - 5/18/2022

Scaling values for analog channels may not be correct

Knowledge Base - KB90183 - 4/6/2022

If you set the scaling values for an analog channel such that the new high scale value matches the current low scale value or the new low scale value matches the current high scale value, then one of the scaling values will be set to the default value.

Gadget pasted to another page has incorrect position/size

Knowledge Base - KB90192 - 6/17/2022

If you copy a gadget that has a position/size already defined for both the desktop and handheld layouts on one page then paste it to another page, only the position/size for the currently active layout...more

When copying and pasting groups of gadgets, z-order is not preserved

Knowledge Base - KB90193 - 6/17/2022

When a group of gadgets is copied and pasted, the relative z-order of gadgets (the order in which gadgets are in front of or behind each other) is not preserved. Instead, the gadgets are pasted in the order they were selected.

Get & Restart pulse measurement commands may not restart active pulses

Knowledge Base - KB89909 - 4/6/2022

If an on- or off-pulse measurement is in progress on a groov I/O module, the Get & Restart pulse measurement commands get the current value but may not restart the measurement; with this...more

Digital output channel turns off or toggles after downloading and running PAC Control strategy

Knowledge Base - KB90196 - 4/21/2022

You may observe incorrect channel status when you download a strategy to a SNAP PAC controller or groov EPIC processor that configures a mechanical relay digital output channel (channels...more

WiFi configuration changes don't take effect until after power cycle

Knowledge Base - KB90112 - 4/5/2022

After you save changes to your WiFi settings, you may observe connectivity issues, even if the recently saved settings are correct

OptoDataLink: Unhandled Exception error on some Windows computers

Knowledge Base - KB90191 - 3/24/2022

After installing OptoDataLink on Windows 11 or Windows Server 2016/2019, when you create a new project with a controller as the source for tags, OptoDataLink displays an Unhandled Exception error.

Extra blank lines added after line comments in OptoScript blocks

Knowledge Base - KB90199 - 3/22/2022

In PAC Control, if you change the name of a variable through the strategy tree and then edit an OptoScript block that contains that variable, after closing the block, PAC Control adds extra blank lines...more

Backup redundant controller may fail to start

Knowledge Base - KB89827 - 3/9/2022

In Build mode, unable to open an Event for editing

Knowledge Base - KB90109 - 6/17/2022

When clicking on the "Edit" link on an Event in Build mode, nothing happens.

GRV-ITR-12: Channels configured as "Thermistor" or "0–400k Ohms (auto-range)" may show "Invalid Value"

Knowledge Base - KB90167 - 3/4/2022

Buffer overflow vulnerability in FTP server on SNAP PAC controllers and brains

Knowledge Base - KB89995 - 3/9/2022

There is a buffer overflow vulnerability in the FTP server in SNAP-PAC brains and controllers that could be used by remote actors to reset the device or remotely execute code.

Reading values of variables using REST API may return a -60 Empty Stack error

Knowledge Base - KB89588 - 3/9/2022

In rare instances, when attempting to read the values of variables with a REST API call, the firmware may return a -60 (Empty Stack) error message.

Local file contains double the content obtained from file on remote FTP server

Knowledge Base - KB90169 - 6/17/2022

If a PAC Control strategy running on a groov EPIC processor retrieves a file from a remote FTP server, the local file will have two copies of the remote file's content.