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PAC Display Configurator program icon may be indistinguishable from PAC Display Runtime program icon in Windows
Knowledge Base - KB91354 - Published:
The program icon for PAC Display Configurator may appear the same as the program icon for PAC Display Runtime in Windows File Explorer and the Windows Taskbar, making them indistinguishable from each other.
Addresses copied from the PAC Manager Inspect window may not paste correctly in the Generic Read/Write page
Knowledge Base - KB91235 - Published:
In PAC Manager, if you copy an address (like F026 0000) from the Inspect Opto 22 Device window (such as from the Analog Bank page) and paste it into the Address 0x FFFF field on the Generic Read/Write...more
The minus (-) character may not be accepted in the Initial Value field when adding or editing integer or integer table variables in PAC Control
Knowledge Base - KB91360 - Published:
When adding or editing integer or integer table variables (32-bit and 64-bit) in PAC Control, you may not be able to type a minus (-) character for a negative value into the Initial Value field of the Add Variable or Edit Variable dialog windows.
Grouped line objects in PAC Display may not change color as expected
Knowledge Base - KB91301 - Published:
If you have a grouped set of line objects in PAC Display Runtime that are configured to change to the color black (RGB=0,0,0) based on a tag value, the grouped objects may not change color until the window is resized.
Vulnerability in groov Manage REST APIs may allow remote code execution
Knowledge Base - KB91326 - Published:
A remote code execution vulnerability in the groov Manage REST API could be exploited by an attacker if they obtain System-Wide Administrator permission. This vulnerability is described in ​CVE-2025-13087.
Emojis don't display on groov EPIC touchscreen
Knowledge Base - KB91335 - Published:
In groov View projects or in text fields in groov Manage, if you include an emoji character, when you view the page on your groov EPIC touchscreen, the character appears as a rectangle or empty box.
PAC Controller does not create all subdirectories on remote FTP server
Knowledge Base - KB91334 - Published:
In a PAC Control FTP communication handle, the controller should create all directories in a path. However, with this issue, the controller does not create the last directory listed in the path.
PAC Control "Convert Number to String Field" command incorrectly assigns asterisk to string variable
Knowledge Base - KB91298 - Published:
In PAC Control, the Convert Number to String Field command correctly assigns an asterisk to a string field when the length of the string field is smaller than the length needed. However, with this...more
Unexpected behavior when stepping through a strategy
Knowledge Base - KB91284 - Published:
While debugging a PAC Control strategy running on a groov EPIC processor, when stepping line by line through a block that calls a subroutine, execution may continue out of order. When stepping over a...more
Switching between redundant Ethernet links may cause all digital output channels on a groov I/O module to turn on
Knowledge Base - KB91318 - Published:
If your PAC Control strategy periodically turns on a digital output channel on a groov I/O module, and you have redundant Ethernet links (only available with PAC Control Professional) between an...more
Digital TPOs start operating upon I/O unit boot-up or after restart
Knowledge Base - KB91304 - Published:
After an I/O unit boots up or restarts, any I/O configurations stored in persistent memory are restored. If a TPO is restored, the TPO should not start controlling the digital output, but with this issue, it may.
Ignition gateway is restarted when it's already running
Knowledge Base - KB90793 - Published:
On the groov Manage Ignition page, if your selected platform is already running (you can see Running in the Status section) and you click Save, the platform is restarted (the gateway is...more

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