Resources & Tools

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GRV-ITM-12 Module Firmware
Downloads - Published:
This download contains current firmware for the GRV-ITM-12 module. For a list of bug fixes and enhancements included in this firmware, see the groov I/O Modules Firmware Readme.
groov Products Comparison Chart
Documents - 2347 - Published:
This two-page chart compares features of the following groov products: groov EPIC (processor part number GRV-EPIC-PR1) groov RIO (including part number GRV-R7-MM1001-10) groov Edge Appliance...more
Guide to Networking SNAP PAC Products
Documents - 1796 - Published:
Networking can be a complex subject. This guide tries to reduce the complexity by providing guidelines for how you might set up communications between your computer or mobile device and your SNAP PAC...more
Case Study: American Metal Processing
Documents - 2349 - Published:
American Metal Processing (AMP) is the largest rotary heat-treating facility in the U.S.A. When their PLCs began experiencing regular failures and the operating system of their HMI approached its end of...more
White Paper: Building Industrial IoT from Edge to Cloud
Documents - 2348 - Published:
Sharing process data has long been a goal of industrial automation, but traditional operational technology (OT) architectures are poor at scaling, priced prohibitively, and demand complex...more
Updating Firmware with PAC Manager May Fail
Knowledge Base - KB89120 - Published:
When you use PAC Manager to download firmware to a PAC device, the download may fail and display a messages, or the upgrade may complete but appear to be stuck waiting for a reboot. These events are...more
PAC Control Find Does Not Find OptoScript With Non-Standard Capitalization
Knowledge Base - KB82489 - Published:
In PAC Control, if you use the Find tool (Edit > Find) to look for a command instruction, the Find tool will not find OptoScript instances where the instruction is written with non-standard capitalization.
groov Enclosures Data Sheet
Documents - 2340 - Published:
groov System enclosures make it easy to install Opto 22 groov EPIC and groov RIO products wherever you need them. These sturdy polycarbonate industrial enclosures protect your groov...more
Some EPIC and RIO Channels Configured with a Feature May Behave Incorrectly
Knowledge Base - KB89114 - Published:
In PAC Control, if you configure a channel with a feature on a groov EPIC or groov RIO and you do not see the behavior you expect, check the channel configuration in groov Manage. If it doesn'...more
PAC Control Debug Mode May Crash When Viewing I/O Unit Dialog
Knowledge Base - KB89082 - Published:
If you have a GRV-EPIC-PR1 I/O unit with a serial module that has channels 2 and 3 configured, when you open the View I/O Units dialog (in the navigation tree, double-click on I/O Units), a dialog with...more
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...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 1.2.1.0 to 1.5.1.0. However, the Opto 22 Library Package for CODESYS Development System version 2.0.0.0, 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, ...more
GRV-IMAI-8 Module Firmware
Downloads - Published:
This download contains current firmware for the GRV-IMAI-8 module. For a list of bug fixes and enhancements included in this firmware, see the groov I/O Modules Firmware readme document.
POP Compliance Statement
Documents - 2346 - Published:
This document is a statement from Opto 22 about compliance with regulations from the European Union (EU) regarding Persistent Organic Pollutants (POPs).