Resources & Tools

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Long delay entering Debug Mode
Knowledge Base - KB89027 - Published:
If your strategy contains many subroutines (approximately 20 or more) and most of those subroutines makes calls to other subroutines, it may take a long time (around 30 seconds or more) between clicking...more
Edit Instructions dialog box doesn't show or save changes to variable types
Knowledge Base - KB88987 - Published:
In PAC Control, if you change the type for a variable, then open the Edit Instructions dialog box for any instruction that contains that variable, the dialog box does not show or save that variable after the type change.
PAC Control CLI operator "/cdf" may generate pop-up window
Knowledge Base - KB88638 - Published:
While using the PAC Control command line interface (CLI) tool with the /cdf operation, some strategies may trigger PAC Control to display a pop-up window, which must be acknowledged before the operation can continue.
PAC Control appears to be stuck while regenerating reference counts
Knowledge Base - KB87786 - Published:
As PAC Control regenerates reference counts (with a strategy open in PAC Control Config mode, click Tools > Regenerate Reference Counts), a dialog with the name of the chart may show a "Not Responding" message and appear to be stuck.
Can't Add Supported Versions of BACNet Server to CODESYS Application
Knowledge Base - KB89094 - Published:
GRV-EPIC-PR1 firmware version 2.0.0 added support for CODESYS BACNet SL versions to However, the Opto 22 Library Package for CODESYS Development System version, which supports...more
Move I/O Unit to Numeric Table [Ex] Commands May Not Retrieve All Analog Inputs/Outputs
Knowledge Base - KB88789 - Published:
With a couple of PAC Control commands, some or all analog input/output values may not be stored to the destination table. This does not occur on the initial download of a strategy; however, if...more
groov Manage Doesn't Correctly Display PAC Control REST API Swagger Configuration File
Knowledge Base - KB89053 - Published:
When you go to the PAC Control REST API reference (from groov Manage Home page, click Info and Help > REST APIs > PAC Control for groov EPIC), Swagger reports an error: "Parser error on...more
Can't Communicate with PAC Controller Even Though groov Manage Shows Running
Knowledge Base - KB89074 - Published:
You may be unable to communicate with the PAC Controller on the groov EPIC processor (for example, to download and run a strategy or connect with PAC Display), even though groov Manage shows that...more
I/O Point Mismatch Errors Generated by Some Discrete Channels on RIO
Knowledge Base - KB89102 - Published:
In PAC Control, if you configure a channel on a GRV-R7-MM1001-10 with some discrete signal types and features, PAC Control may show one or more "I/O point mismatch" errors in the error...more
Get and Restart Measurement commands don't restart measurement correctly
Knowledge Base - KB88608 - Published:
Some PAC Control commands are supposed to restart the measurement at the start of the next pulse or period. However, with this issue, if an on-pulse, off-pulse, or period is in progress, these commands...more
Quadrature Counter Feature Not Set on GRV-IDCIFQ-12 Module
Knowledge Base - KB89087 - Published:
In a PAC Control strategy, if you add a GRV-IDCIFQ-12 module to an EPIC I/O unit, and add a channel on the module with the Quadrature Counter feature, the feature is not set on the EPIC I/O unit. When...more
Quick Start not shown after creating first user
Knowledge Base - KB89066 - Published:
After creating the first user on a  groov EPIC (GRV-EPIC-PR1) or groov RIO (GRV-R7-MM1001-10), the user is supposed to stay logged in and taken to the Quick Start page. Instead, the user is logged out and returned to the log in page.