You cannot simply pick a version based on features; you must follow the :
| Feature / Aspect | | v19 | v20 | | --- | --- | --- | --- | | Release Year | 2007 | 2010 | 2012 | | OS Compatibility | Windows XP, 7 (32‑bit) | Windows 7 (32/64‑bit), limited on 10 | Windows 7, 8, 10 (with patches) | | Controller Support | L1, L2, L6x, L4x, L6x, older CompactLogix | L6x, L7x, older L3x | Full L7x, L3x, older L8x (limited) | | Major Feature | Added Add‑On Instructions (AOIs) | Safety (CIP Safety) maturity, improved UDTs | Last version with legacy 1756‑I/O | | Stability | Very stable (mature) | Moderate (some service packs) | Excellent (final polished version) | | Project Size Limit | 2 MB (small) | 32 MB | 32 MB | | Rockwell Support Status | Retired | Retired | Retired (but widely used) | rslogix 5000 version better
Legacy systems, extremely stable plants that do not change, discrete machine control. You cannot simply pick a version based on
Whether you are maintaining a legacy system or starting a fresh build, 1. The Stable Workhorses: v20, v28, and v34 Reddit·r/PLC RSLogix 5000 ended at version 20, starting
The "better" edition of the software depends on your programming complexity rather than your PLC size. Reddit·r/PLC
RSLogix 5000 ended at version 20, starting at version 6. Version 20 of RSLogix 5000 was rebranded as Studio 5000 Logix Designer. Tim Wilborne
It is the final version before the Studio 5000 rebrand.