Resources & Tools

1-25 of 3470 results
Groov RIO EMU, codesys and Ethernet/IP help
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I’m working on a project where I’d like to use the Ethernet/IP module that comes with codesys. I have got the adapter and module working on a windows soft plc and working with my control logix. I...more
Network Common Certificate Store
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The training and examples I have seen for generating certificates indicates that public certs need to be stored in all devices on the network. I have a topology with several EPIC systems and Windows PCs...more
Firmware 4 & Node-RED HTTP Beef
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Since doing the Firmware 4 update, some HTTP request code that has been working for multiple years have stopped working - flow pictured below. It is very simple and the purpose is to send out messages...more
Snap Pac R1 - Charts Not Running Simultaneously
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Hi everyone, I am new to working with Opto Controllers. I am coming from a primarily Allen Bradly background. I have been following the documentation but I ran into a strange issue I can’t seem to...more
Automatic GROOV Backups
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Hello brains trust, after writing a small Task Scheduled Power Shell script to perform automatic backups and transfer of the PAC Control Files on our OT computer, I was racking my brain trying to think...more
GROOV Epic Module Terminal Blocks
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Is it just me or are the Opto22 Groov Epic module terminals a pain to work with. The clamp terminals are very stubborn to push, frustrating to add and remove wires without taking off the whole terminal...more
Compile Error "Using floats with a bitwise operator is not recommended"
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What I REALLY want to do is convert a float to an Int32 using only functions in one line of code, so I can BITOR a bunch of these lines together (with no compile errors). Am I asking too much? For...more
Power Up Clear Received - Log Viewer
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Hello All, Can someone comment as to the significance of the “Power Up Clear Received” message? I have one controller that does it every once in a while, and another that looks like it does it multiple...more
Block Read & Write With groov RIO
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I want to use the commands MoveIoUnitToNumTableEx and Move Numeric Table to I/O Unit Ex to do block reads and write with a groove RIO. What would the points per module parameter be? What length of table would be required?...
Computed Tag not working ("Script result didn't match expected output type INT64")
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Pretty easy task, yet I am stuck… I have 2 tags from the NodeRED data store: image714×373 14.3 KB and want to compute the absolute value of the difference between the green and the blue using a...more
Possible to display image in groov View retrieved via Node-RED?
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Happy Friday! With the latest groov EPIC firmware update, I have installed the MSSQL-Plus node that allows me to query a MSSQL database that has images. These are easy to display in Node-RED dashboard...more
Firmware supporting Docker containers is now available
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EPIC & RIO firmware v4.0.0 with Docker container support is now available for Shell users. Note that a new or existing Shell license (GROOV-LIC-SHELL) is required (free) to apt install Docker for groov...more
Groov EPIC & RIO 4.0 Firmware Released
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Greetings forum fans! It’s been a long time coming, and this one is a pretty interesting release; EPIC and RIO firmware version 4.0 is ready for download. First things first, there are two key pieces...more
Groov EPIC R1 as modbus slave across RS485 GRV-CSERI-4
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Hi, I need help. I am new to the Opto22 brand. In 2022, one of the field engineers in another business unit made a unilateral decision to move to the Opto22 brand to replace some of our Motorola Moscad...more
Groov Manage API - Can't Set Analog Value
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I’m trying to use the Swagger of our Opto Groov to set the value of an Analog channel but when I make the call, I get a 200 response but the value never changes. It’s this PUT call I’m trying to...more
Opto 22 groove RIO/EPIC compatibility with Tormach CNC machine?
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Can an Opto 22 groove RIO/EPIC device, utilizing Ignition, connect with a Tormach CNC machine, specifically the PCNC 440 machine, to create an IoT system for transferring and viewing data?...
Down timer issue
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Hi all, I recently encountered an issue with the down timer. The control system continuously sets the down timer to 60 seconds. After the 60 seconds expire, it performs an operation (turning on or off...more
Rounding Frequency Issue
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I am running into a little bit of an issue and I don’t know what I’ve done wrong. But I am working with a motor with a digital encoder. That encoder is sending pulses to a IDC-24. I am reading the...more
Seeking PLC Integrators for Short 10-min Interviews
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Hi everyone, I work in industrial automation and am currently researching how system integrators use PLC programming tools like PAC Control, Codesys, and Opto22 SDKs. I’d sincerely appreciate a quick...more
Opto Groov Manage API - Set Counter Value
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I’m working with an Opto Groov controller with a Digital Input with Quadrature module attached to it. I have the feature set to Counter and would like to be able to Set the value of that counter via...more
Output sinewave via 0-10v analog output
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This might be silly, but I wonder, If I create a program in groov pac control that outputs a sine wave 0-10V via one of analog output channel that will run continuously , would I wear the output module or cpu?...
PAC Control Digital Input: Allow Write Capability disabled?
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Hey all, I’m using a Digital Input channel on a GRV-MM1001 module to monitor for a button press, with the intention of reading the Onlatch from an OPC tag and clearing it after read. When trying to do...more
Version Compatibility?
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If I have an older controller with a strategy file on it that I want to pull from the controller to my computer, do I need to have my version of PAC Manager match the firmware version or the version of...more
Best Practices for Securing PAC Control Systems?
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Hi all, I’m currently working on a PAC Project-based setup and was wondering what steps others here take to secure their control systems. We’re using PAC Control and PAC Display in a small industrial...more