| Controller Series | Supports v20.12? | Maximum Firmware | | :--- | :--- | :--- | | (L7x) | Yes (Full support) | v35+ | | ControlLogix 5560 (L6x) | Yes (End of support for L61/L62) | v20.12 (Final) | | CompactLogix 5370 (L3x, L4x) | Yes | v32+ | | CompactLogix 5320 (L32E, L35E) | Yes | v20.12 (Final) | | SoftLogix 5800 | Yes | v24 |
However, treat it with respect. Always maintain recovery media. Always verify redundancy compatibility. And most importantly, have a documented roadmap for the eventual migration to Studio 5000. rslogix 5000 firmware 20.12
If you need to move a controller to v20.012 or another specific version: Rockwell Compatibility & Download Center (PCDC) ControlFLASH | Controller Series | Supports v20
Keep a backup of your .ACD file before flashing any new firmware, as flashing can clear controller memory. Release Notes Locations for Rockwell Automation Products Always verify redundancy compatibility
Flashing firmware is a delicate operation. A failure can brick the controller. Follow this protocol precisely.
Part of Rockwell Automation 's efforts to improve security practices, including tamper prevention and detection.