Rslogix 5000 Firmware 20.12 [extra Quality] Jun 2026

A: Yes. V20.12 is a minor revision increment. For the 5370 series, V20.11 was the "release" firmware, but V20.12 is fully backward compatible. Use ControlFlash to force the update.

While v20.12 is stable, Rockwell Automation has moved to the environment, making v20 a legacy platform. rslogix 5000 firmware 20.12

Upgrading to RSLogix 5000 firmware 20.12 can offer several benefits, including: A: Yes

In a ControlLogix Redundancy chassis, the secondary controller stays in "Syncing" or "Disqualified" after flashing to 20.12. Solution: Redundancy modules (1756-RM2) also require specific firmware that matches the Logix firmware. Ensure your RM2 firmware is at least Revision 12. Also, remember that the secondary controller must be flashed before inserting it into the redundant pair. V20.11 was the "release" firmware