Firmware 20.12 [top] | Rslogix 5000

CompactLogix L35E controller Version 20.012 ... - Release Note

Many OPC servers, HMI packages, and MES systems were fully certified with v20. Upgrading past 20.12 would break these integrations. Thus, 20.12 acts as a stable API endpoint for factory-wide data collection.

Installation follows the standard RSLogix 5000 process:

While often overlooked in favor of the major revision number, v20.12 is widely considered the most stable and refined iteration of the RSLogix 5000 / Studio 5000 environment before the architectural shifts seen in Version 21 and beyond. rslogix 5000 firmware 20.12

Browse the network via RSLinx to target your connected controller.

It brings older hardware up to a refined standard, allowing for continued, reliable operation.

Version 20 supports the controller, along with GuardLogix variants 1756‑L72S and 1756‑L73S. On the CompactLogix side, the 5370 L1, L2, and L3 families are supported, along with the Kinetix 350 servo drive family. CompactLogix L35E controller Version 20

Firmware version 20.12 represents a major update to the RSLogix 5000 software, with a range of new features, improvements, and enhancements that are designed to improve productivity, simplify system design, and enhance overall system performance. Some of the key highlights of this update include:

Before upgrading to firmware 20.12, verify your hardware. Not all controllers support all firmware revisions.

Like any software and firmware, version 20 has its share of known issues and quirks that users should be aware of. Thus, 20

, allowing a single workstation to easily access files originally created in v20.01 or v20.03. Rockwell Automation Upgrade Path Requirements

Resolved specific vulnerabilities related to communication ports and buffer management.