Groov RIO 4.1.0 Firmware Released

groov RIO
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Greetings forum fans!

Riding the wave of the 4.0 kernel jump, we’ve just released version 4.1.0 for the groov RIO MM1, MM2, and EMU. The big 4.0 was about major foundational changes, 4.1 is where we get to start building on it.

Here’s the main changes:

  • Support for independent ethernet mode! The two RIO ports can now be configured as separate trusted/untrusted interfaces just like the EPIC. This is huge for segmented network security, with no traffic routed between ETH0 and ETH1 with independent mode. (Note that switching modes requires a system restart.)
  • RSTP in switch mode. Now you can build physical loops for cable redundancy without the broadcast storm in a fully RSTP-enabled network. Check out the updated networking guide [form 2161] for details. (Obviously this doesn’t work in independent mode.)
  • Node-RED bumped to v4.1.3, Node.js to v22.22.0. This one also brings in support for the Dashboard 2.0. You can run both OG dashboard 1.0 and 2.0 side by side if needed.
  • CODESYS runtime is now v3.5.21.40. The big thing is that the Modbus RTU Client is now baked into the runtime with no separate license required. Just make sure you update your IDE to the v3.1.3.0 Opto 22 Library Package.
  • REST API update: now we can automate firmware updates, backups, and restores, plus a new login-fetch-api-key endpoint. More documentation on this coming soon™.
  • Subject Alternative Names (SANs) can now be added when creating web server certificates. Mostly for those that access their RIO by both hostname and static IP.
  • (For the MM2 only) Ignition and Ignition Edge updated to 8.1.52/8.3.3, and Cirrus Link modules bumped to 4.0.32/5.0.2. Note that once you pick standard vs edge platform you’re locked in; switching requires a firmware reinstall.
  • A handful of bug fixes; check out the full release notes for all the details.

As with the 4.0 update, CODESYS users should back up their license before updating. Check out KB91189 for the how-to, and KB91207 if you’re an Ignition user coming from 3.x firmware.

You can grab the 4.1.0 files for the MM1, MM2, and EMU here:
https://www.opto22.com/support/resources-tools/downloads/groov-rio-module-firmware

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