Resources & Tools

1-25 of 2466 results
Set Time Zone Configuration (error?)
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Got a weird one here. Not important but wondering if it might be a bug… I wasn’t around at the weekend, but noticed this morning that the controller time is at GMT and not BST as it should be (changes...more
Problems with disappearing files on microSD card
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Hi, I have a R1 running PacProjectPro 10.4 (f/w 10.4c) which stores files on the microSD card (8Gb) I have a strange problem with files disappearing off the microSD card after several hours of operation....more
Opto .NET Controller SDK How to Read Digital/Analog Point
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I’m using a SNAP-PAC-R1 and am using C# and the following is the code I currently have that I have verified will turn on a discrete i/o point “Sphere_6” I have named in my strategy file via a button...more
Groov RIO goes into a queue in NODE-RED and doesn't get out of one
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I’m running a flow using node-red on groov rio. I have noticed when I select a switch, sometimes, my nodes will have “QUEUED”. and the program seems just to sit… I don’t know what to do. even when I...more
PAC Display is there a way to disable a button?
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My project has two motors. I have two buttons, one per motor. Each button is linked to a digital I/O point set to toggle. So, basically, if one motor is turned on, I want the button for the second motor...more
PAC Display Configurator "Graphic Dynamic Attributes" window size
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I have recently reset my computer and when I reinstalled PAC Project, the Graphic Dynamic Attributes window inside of PAC Display Configurator doesn’t fit everything inside it. I’ve attached a screenshot...more
How to install a newer version of Python on EPIC or RIO
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We have had a few customers want to do ‘more’ with Python on EPIC and RIO. The problem they quickly come across is that the version on each is a little dated for their needs. They specifically need to...more
Upgraded Firmware/Loader/PAC Project and now PAC Display updates significantly slower
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I’m using a SNAP-PAC-R1 controller. The project I created ran on Firmware 9.4b and loader 6.1b and using PAC Project Software Suite 9.4. PAC Display runtime would refresh the color of a button I created...more
Y2K in 2021 - LetsEncrypt failures on groovEPIC
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Hello Opto22 team, We have a fairly recent O/S on our EPIC (3.1.0-b.14 - 1/18/2021) and the openssh library installed on that O/S is OpenSSL 1.0.2d 9 Jul 2015 - long before LetsEncrypt root authority was...more
Join two payloads
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Looking for some help on how to accomplish the following: I will explain what I am trying to accomplish then paste my flow below. I want to capture some data at the start and end of a test period, then...more
Remote Groov Hardware
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Can anybody tell me if there are any plans for a Groov communication brain? Something akin to the SNAP-PAC-EB line? I have some applications that will require multiple Groov chassis and I’d love to not...more
PAC Control/SnapPAC R2 & Windows Enterprise OS
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Not sure if this is the correct Forum, thought it might get some traction here. We have been using PAC Control, with a SnapPAC system, with R2 controllers in conjunction with Windows OS’s, from XP to...more
How to compiling pulseprogram.cpp code
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Hello all, I want to compile the code pulseprogram.cpp that is available in github.com GitHub - optodeveloper/SSH-Demo Contribute to optodeveloper/SSH-Demo development...more
Cannot able to install optommp
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Hey as I am new to the opto22 groove epic and I want to use the opto with ssh facility. as per the video lecture, they have suggested installing the python-pip package and along with optommp python...more
EPIC-PR1 and PAC-SB2
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Sometimes the RS-485 is better than Ethernet, and some application require RS-485 Remote IO. So, how to use the SNAP-SB1/SB2 as the EPIC-PR1’s remote IO?...
Get Data Into Groov View or SNAP PAC from MSSQL
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Hi Team, I am Using Groov EPIC PR1 controller and my requirement is to read the data from MSSQL table and send it on either SNAP PAC or Groov View. Can anyone share the document or suggestion that how can i achieve this....
I Figured This out: Mistic controller connected to Genesis HMI
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Anyone ever have an arcnet communication issue with “new” noise? Our HMI is having strange characters pop up and communication seems slow or not working at times. We have been upgrading our Mistic...more
Show and Tell - Groov EPIC High Pressure Reactor System
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I know we’re not using the EPIC to its full potential on this project just yet, but it’s diversity is what sells the product. It can be used from the smallest application to large scale PLC integration...more
Show and Tell - Groov RIO Edition
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Seeing the other hardware has a place to show off, I thought it fair little big RIO got some love too. I really think as a community we need to share our projects a little more and bring out the...more
Basic http end-point on RIO
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I imported the basic example flow given here: https://cookbook.nodered.org/http/create-an-http-endpoint I modified the flow to use the the URL http://rio-26/hello for the HTTP IN node I use curl http:/...more
Unable to verify LEAF signature error in Groov Read or Write
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Hello all, I have multiple Groov boxes (AR1, Epic, Server for Windows) that I use Node-Red to read or write to each others data stores. When I use self signed certificates on these devices, there are...more
Display of countdown timer
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(this problem is a bit difficult to explain, but here goes…) We have a PAC Control program that uses a System Clock (which is the number of seconds since starting the program, always increasing) that...more
Scratch Pad Memory R2
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I have been looking over the technical note regarding Snap Pac Memory Usage (1646-210106) – and I have a question: Where is scratch pad memory stored? I noticed that when I did a “clear memory...more