Rslogix 5000 Firmware 20.12 Jun 2026

RSLogix 5000 with a controller at firmware revision 20.12 , you must ensure your programming software matches the major revision of the hardware. The Automation Blog 1. Software Compatibility Version Matching : There is no RSLogix 5000 version "20.12." You should use RSLogix 5000 Version 20.01 Minor Revision Note

The million-dollar question: Is it time to leave firmware 20.12?

⚠️ Firmware 20.12 is not compatible with Studio 5000. You must use RSLogix 5000 v20.01.00 (or later CPR 9 SR 5) .

Revision 20.12 focused on refining the environment for hardware controllers like the ControlLogix 5570 and CompactLogix 5370 series. rslogix 5000 firmware 20.12

To understand v20.12, you first have to understand the hardware landscape of the early-to-mid 2010s. Rockwell released the and ControlLogix 5570 controllers. These controllers were powerful, but many of them were "locked" to specific firmware versions.

Rockwell Automation Product Compatibility and Download Center (PCDC) Search for your specific hardware model (e.g., Version 20.012 from the list. Download the firmware kit, which typically includes the ControlFlash Rockwell Automation 3. Flashing the Controller RSLogix 5000 – v20.03: What you need to know before using

| Controller Family | Supported Models | Minimum Firmware Version | |---|---|---| | | 1756‑L61, L62, L63, L64, L65, L71, L72, L73, L74, L75 | 20.12 | | ControlLogix‑XT | 1756‑L63XT, L73XT | 20.12 | | GuardLogix | 1756‑L61S, L62S, L63S, LSP, L71S, L72S, L73S, L7SP | 20.12 | | CompactLogix | 1769‑L16ER, L18ER, L18ERM, L24ER, L24ER‑QBFC1B, L27ERM, and all L3 series | 20.12 | | Kinetix 350 | All models | 20.12 | RSLogix 5000 with a controller at firmware revision 20

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: Native support with maximum stability.

Avoid v20.03 unless your entire facility is standardized on it. Version 20.03 introduced a "resiliency" update that made files incompatible with older v20.01 software, causing significant headaches for maintenance teams. The Automation Blog 3. How to Check Your Current Setup ⚠️ Firmware 20

: Rockwell software and firmware minor revisions often differ; any software can typically download to a controller. Display Difference : Revision Rockwell Compatibility Center is displayed as within the Controller Properties in RSLogix 5000. The Automation Blog 2. How to Download Firmware 20.12

, as it can lead to "unknown" major recoverable faults if an index-out-of-range error occurs. Safety AOI Changes:

CompactLogix L35E controller Version 20.012 ... - Release Note

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| Controller Family | Supported? | Minimum Required Major Revision | | -------------------------------- | --------------- | ------------------------------- | | ControlLogix 5570 (L5x, L6x, L7x) | ✅ Yes | 20.12 (L7x: 20.011 minimum) | | ControlLogix 5580 (L8x) | ❌ No | 32+ | | CompactLogix 5370 (L3, L4) | ✅ Yes | 20.011 | | CompactLogix 5380 (L3, L8) | ❌ No | 30+ | | SoftLogix 5800 | ✅ Yes | 20.011 | | DriveLogix 5730 | ✅ Yes (limited) | 20.011 |