Rslogix 5000 Firmware 20.12 Jun 2026

Corrects a "Major Fault" condition that could be triggered simply by the presence, absence, or insertion of a Secure Digital (SD) card Rockwell Automation Important Compatibility & Usage Warnings Software Pairing:

This article explores the details of firmware version 20.12, its importance in the lifecycle of RSLogix 5000 projects, security updates, and how to properly maintain your controllers. What is RSLogix 5000 Firmware 20.12? rslogix 5000 firmware 20.12

As long as your software is v20.xx (e.g., v20.01, v20.03, or v20.04), you can download to and go online with a controller running firmware 20.12 . Corrects a "Major Fault" condition that could be