Resources & Tools

101-125 of 8898 results
Opto22 MFA/2FA existance?
Forum - Published:
Was hoping someone in the community out there shares a similar situation - We use a Node-RED dashboard and will most likely move to GroovView in the future, however we are investigating unique logins for...more
Inserting timestamp into serial string in Node-RED
Forum - Published:
I’m relatively new to Node-RED, so this should be a pretty straightforward question. I have an RS-232 line from an old machine feeding into Node-RED through a serial module on my Epic. Everytime the...more
Installing node-red-node-serialport (EPIC firmware 3.5)
Forum - Published:
A customer had issues installing node-red-node-serialport at the latest version (2.0.2 at the time of writing) with groov EPIC firmware 3.5, and unfortunately the NPM packages and their prerequisites are...more
Communication errors from I/O on same controller strategy is running on
Forum - Published:
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
Accelerating the Industry: 28th Annual ARC Industry Forum
Blog - Published:
Opto 22's Director of Technical Marketing, Dan White, shares his experience from this year's annual ARC event. In its 28th year, the ARC’s Industry Forum did not disappoint. I just returned from this...more
Writing to .txt file using Node-RED. Want to write to a new file name depending on timestamp, etc
Forum - Published:
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
Forum - Published:
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 that...more
Join the OptoForums community
Blog - Published:
Get great resources and tips from experienced Opto 22 product users—and help other users with your insights. You’ll see the OptoForums mentioned here on the blog from time to time, and that's for good...more
The cybersecurity role of a client or server
Blog - Published:
Beyond data transactions, understanding the relationship between clients and servers plays a significant role in cybersecurity. What makes a device fill the role of a server or client? And, more...more
Codesys Automation Server
Forum - Published:
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
Forum - Published:
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
PAC Manager may not accept 12-digit IP address and subnet mask for ETHERNET 2 Interface
Knowledge Base - KB90853 - Published:
On the Status Write page of the Inspect window of PAC Manager, you may not be able to enter an IP address or subnet mask that contains 12 digits (3 digits in all 4 octets, such as 255.255.255.255) for the ETHERNET 2 Interface.
How to remove follwing errors
Forum - Published:
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
Forum - Published:
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
Forum - Published:
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
Forum - Published:
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
Elevate your OT data securely to the cloud
Blog - Published:
Watch how easy it is to securely connect real-world, OT data to Ignition Cloud Edition. Good news! Our friends at Inductive Automation recently made all the presentations from the 2023 Ignition...more
Where to see groov in action in 2024
Blog - Published:
Visit Opto 22's Events page to see where you can find Opto engineers demonstrating groov products in 2024. We're already a month into the new year and our calendar of events is filling up quickly. Opto...more
Deleted GRV-R7-I1VAPM-3 may not be properly removed from a PAC Control strategy
Knowledge Base - KB90711 - Published:
When deleting a groov RIO energy monitoring unit (EMU; GRV-R7-I1VAPM-3) from a PAC Control strategy, it may continue to appear in the Strategy Tree. If you attempt to open the deleted groov RIO EMU from the Strategy Tree, PAC Control may crash.
Jetty Version on groov AR1
Forum - Published:
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?
Forum - Published:
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?
Forum - Published:
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
Forum - Published:
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