Resources & Tools

1-25 of 212 results
Pac display - Email Issue
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Hi all, Initally for sending out alarm we use system default on pac display which would look for outlook to send. Now we are trying to use other options like custom or gmail. But while setting up no...more
Plant Control Via Modbus TCP (Node Red)
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Hello All, I’m working on streamlining VFD control at plant. Currently, the VFDs are set up for hard wiring, where each control point is connected to a OPTO22 card, connected to a Groov Epic PLC. What I...more
Request for Assistance with Online Logic Changes in PLC System using Codesys
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Dear Sir, We are writing to seek guidance regarding our current situation with the Opto 22 Groov EPIC PR1 PLC system. Over the past year, we have successfully downloaded and implemented logic using...more
Unable to connect to Groov Epic PR2 in CODESYS License Manager
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image1167×882 136 KB I just activated a GROOV-LIC-CRE license on my Groov Epic PR2 and am attempting to connect to the Epic through CODESYS but am getting the pictured error message. I have given...more
groovEpic PR1 to groovEpic PR1 Scratch Pad Setup
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Setup: 2 groovEpic PR1 controllers Controller A = Water Plant (169.254.1.3) Controller B = Unit 2 (169.254.103.20) Objective: Have Controller A Read data from Controller B’s Scratch Pad. Configuring...more
Migrating from AR1 to EPIC PR1 Recommendations
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I am getting ready to retire our groov AR1 and migrate to the EPIC PR1. I know to backup my AR1 groovView files and restore them on the new EPIC PR1. I searched the OptoForum for info on this topic didn...more
What's the best way to connect to a Profibus device with a groov EPIC?
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I’m exploring ways to interface an EPIC system with legacy equipment that uses a Profibus interface, ideally using the GRV-CSERI-4 for the physical connection. I’ve considered using the SNAP-PDPRS64...more
Is there the option in groov View to log to a trend based on an event instead of at regular time intervals?
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Thank you for all the help so far, I will circle back to my last topic I posted next week LOL. I have really enjoyed setting up my groov Epic so far and it’s been pretty seamless. Anyway, is this an...more
NodeRed Function Block Require
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I am still an amateur with Node-Red. I want to run this logic in a function node. I am getting this error. ReferenceError: require is not defined (line 2, col 13) Searching for solutions it looks like I...more
Sending string from Inject node to Serial Out node
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I am using a GRV-EPIC-PR2 with GRV-CSERI-4 to read serial data (RS-232) from an ultrasonic welder (the welder outputs a string with a line break every time a weld cycle is run). I am also attempting to...more
How to transform a modbus value to a Datastore value
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I use modbus for reading some data. The problem is that I would like to transform this data into datastore data to then be able to read it on nodered. Proceeding like this is simpler for me because I...more
Communication errors from I/O on same controller strategy is running on
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Attached is a screenshot of the errors I am getting. The strategy is running on a groov epic PR1 defined as M11epic017. It is running firmware version 3.5.1-b.85. any idea why would these errors be...more
Writing to .txt file using Node-RED. Want to write to a new file name depending on timestamp, etc
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I am using a GRV-EPIC-PR2 with serial module GRV-CSERI-4. I have an RS-232 stream connecting a serial device to the serial module and have a connection configured in Node-RED so that every time the...more
Same device type, different tag source
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I have an application where I have over 200 of the same device type and I’d like to create a single page that I can pass the device reference and have it read the tags from the device to display on...more
Codesys Automation Server
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We are looking to use the Codesys automation server to server as a code repository for all of our epics. (~30) Looking at the documentation and from our experimentation we will need to install the...more
How to give data in hex to integer from string
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sir i just want to give data to integer 64 from a string please tell how can i give the string data to integer 64 just as is shown in example my hex string data =0AB12985FFDC67 now i want this value in...more
How to remove follwing errors
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i am getting this errors will you help me to resolve this errors -98 Boot ID from I/O unit doesn’t match the controller’s stored value performing full config. -15 Cannot divide by zero...
OPENSSL Signed Certficate Not working
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First time posting after attending training and I am trying to apply training to our environment. Right now I have seat on the struggle bus. I am trying to sign the SSL cert with a CA that I...more
Groov RIO locale and database issues
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I’ve started to port one of my applications to the groov RIO. It’s a linux based application that uses a Postgres database for its storage. Whenever I run the postgresql-setup initdb, it would return...more
My Opto22 Library doesn't appear to have version 3.5.17.10
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Hi folks, I’m brand new to the hard and software and I’m trying to update my device in CODESYS, as the version of my GRV-EPIC-PR1 is 3.5.17.10. I’ve got the opto22 library installed, i’m running in...more
Jetty Version on groov AR1
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What version of Jetty is on the current AR1 (groov Box) release? I have a customer with a NodeRed application running on an AR1 . Their IT department has run a security scan and it says the Jetty...more
Can I use an RIO MM1001 to natively measure natural gas flow through pulse output?
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Hello all! I want to measure the output of a rotary gas flow meter, and I am wondering if I can simply run my output wires into channel 1 of the GRV-R7-MM1001-10? Or if I will need a convertor or...more
Are the 4-channel SNAP digital input cards interchangeable?
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Good morning, We’ve been using the standard SNAP-IDC5 input card to “count” pulse signals from a water flow paddlewheel sensor to calculate the flow (at fairly high speed, e.g. 93 pulses = 1 Liter). I...more
Display CODESYS string variable in Groov View
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I have a CODESYS structured text STRING-type variable foo. I want to display it in Groov View. When I go find it in Groov View Build mode’s Gadget Pallette > Tags list, I see foo : STRING : R/W. When I...more