Rslogix | 5000 Firmware 20.12

You try to go online, and RSLogix complains about a major/minor mismatch. Solution: This happens if your offline file is V20.11 but the controller is V20.12. You have two options:

CompactLogix L35E controller Version 20.012 ... - Release Note rslogix 5000 firmware 20.12

Go to Controller Properties in RSLogix 5000. Change the software revision to match v20.12. after flashing. You try to go online, and RSLogix complains

Wait for the status bar to reach 100% and indicate a successful flash sequence. Troubleshooting Common v20.12 Errors Error Symptom Root Cause Proven Resolution You try to go online

, but then searched the Rockwell site for "RSLogix 5000 v20.12" software and come up empty-handed, you aren’t alone. The Automation Blog