Resources & Tools

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How to continuously run script on EPIC through SSH?
Forum - Published:
How can I continuously run the script on EPIC like it is a strategy in PAC control? I have tried putting the code with a continuous loop so EPIC can always check the button state and response as...more
Humidity Sensor
Forum - Published:
Is there a way that I can use this Humidity Sensor with a SNAP Module? bourns.com bps230.pdf 1061.98 KB ...
Get your October product news and updates
Blog - Published:
What's new at Opto 22? We've had plenty to talk about this past month, so here's a recap of product, firmware, and software updates, as well as new groov I/O module releases! Learn about new groov EPIC...more
IO error between EPIC and SNAP PAC R1
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We use a groov epic to manage two snap pac R1 ( 1 for digital IO and 1 for analog IO). In the strategy, we have a chart to recopy all IO from our snap pac R1 with the function “move I/O unit to numeric...more
USB Barcode Scanner Setup & Flow (requires SSH access)
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Here are some detailed instructions for installing the node-red-contrib-usbhid Node-RED package on a groov EPIC. The flow at the bottom of this post can be used to get generic USB barcode scanner input...more
Groov to PAC S2 Timing question
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I am using a momentary button in groov to turn on some lights. The button has to be held down for a couple seconds for the S2 controller to pick it up. From a PC, holding the button down that long is...more
Printing Reports
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We will be trying to print reports from our yet to be installed Epic AR1. Anyone try this yet? Thinking to maybe create the reports in SQLlite, since its default in the Epic. Thanks, Dave...
Get data from Microsoft Access .mdb database
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We have several groov EPIC units set up in our plant controlling various aspects of our equipment (e.g. feedrate, time, temperature). 20 years ago, we started using a Microsoft Access (.mdb) database...more
New VPN Client in groov EPIC simplifies remote equipment communications
Blog - Published:
One of the new features in recent versions of the groov EPIC firmware (R1.4.0+) that hasn’t gotten much attention yet is the built-in virtual private network (VPN) client. I’m excited about it because...more
Upgrading - General Question
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I am about to start a project to upgrade all of my controller firmware and software to version 10.x. I currently have about 60 R2 controllers running firmware versions from 8.5x to 9.6x and I would...more
groov EPIC announced as a Finalist in the 2020 Engineers' Choice Awards
Blog - Published:
Control Engineering magazine hosts its annual awards program, which highlights some of the best new control, instrumentation, and automation products. We're excited that Opto 22's groov EPIC (Edge...more
Detect when a variable counts up
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Hi, Wonder if anyone could give me a hint of how to detect when a variable counts up. I’m having a database table and for every new row the index counts up. I want to use this index as the variable and...more
Cannot retrieve log type "FATAL" from log viewer
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In groov View, clicking the gear icon >> View logs, I get a new window where I can apply the type of log to view / download. All work fine (ERROR, TRACE, INFO, etc.) except for type FATAL, which...more
SSH - Access to EPIC PR1 Linux Desktop
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I just installed the SSH license & Enabled the SSH. We will be adding various python and other scripts to run in our Groov Epic project. I am somewhat familiar with Linux script, command line, etc...more
Local time is not retained after power cycle
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We set our EPIC to have the time according to our local time zone (EST) (done in Groov Manage). A few times this week, we had to cycle power to the EPIC. I noticed the time was GMT after powering...more
Press Release: Opto 22 Releases Three New groov EPIC I/O Modules
Documents - 2328 - Published:
New I/O modules address demands of specialty and low-cost applications, including dry contact monitoring, temperature control, and mixed voltage. The three new modules include: GRV-IDCSW-12...more
Anybody using OptoMMP4 method EpicReadPackedDigital with success?
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It’s hard for me to believe that I am the only one using this OptoMMP4 method (with boolean arrays), but it always falsely returns an array of false (off) values for all 512 states, even though some...more
When the system working,all input signals of analog Pulse break
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The input signals of analog quantity such as pressure, frequency of frequency converter, etc. are disconnected aperiodically, which results in abnormal operation of the system. What could be the reason?...
EPIC Groov does not like a disconnected cat5 cable
Forum - Published:
Hi A frustrating situation arose with an EPIC Groov unit I have been integrating into one of our existing control systems and I would be keen to hear if anyone else has been caught out with it. In...more