For users managing multiple version 20 projects, Rockwell released v20.04 software to restore minor revision compatibility
Select the base catalog number of your target controller from the hardware tree.
RSLogix 5000 was the long‑standing programming environment for Logix5000 family controllers, including ControlLogix, CompactLogix, and GuardLogix. Version 20 is the final major release of RSLogix 5000; from version 21 onward, the software was rebranded as Studio 5000 Logix Designer. Therefore, —any controller using firmware 21 or higher must be programmed with Studio 5000 Logix Designer. rslogix 5000 firmware 20.12
Fixes critical bugs where standard analog outputs failed to hold their predefined safe-state values during a processor fault.
If you can tell me the (e.g., 1756-L63), I can tell you if a specific firmware upgrade path is recommended. Alternatively, I can help you: Find the ControlFLASH firmware files on the Rockwell site. Troubleshoot a 20.12 upgrade error. Compare the benefits of v20 against upgrading to v30+. For users managing multiple version 20 projects, Rockwell
It provides a "safe" version for industries still utilizing: 5560/5570 controllers. CompactLogix 5330/5340/5370 controllers. Key Reasons to Use v20.12:
Before we discuss the specifics of 20.12, let us clarify the hierarchy. Therefore, —any controller using firmware 21 or higher
Version 20 officially supports Windows 7 (32-bit and 64-bit) and Windows XP.
A common point of confusion is the difference between how the version is displayed in software versus the Product Compatibility and Download Center (PCDC) Firmware v20.012 (as seen in PCDC) is the exact same as when viewed in the Controller Properties of RSLogix 5000. Rockwell Automation Key Features & Improvements Security Patches:
RSLogix 5000 v20 is a milestone release, often regarded as the "last" version before the transition to Studio 5000. Firmware 20.12 was released by Rockwell Automation primarily to address security vulnerabilities found in earlier v20 iterations.