Rslogix 5000 Version Better
Version 16 was the last version before major feature bloat. It introduced Add‑On Instructions (AOIs) in a stable form. Many engineers swear that v16 is the most bug‑free version ever released. If your plant has no safety PLCs and no need for large data structures, v16 runs like a tank.
Therefore, the “better” version is largely determined by which firmware your plant standardizes on — or what your existing machine suppliers have delivered. Let’s compare the three most widely used classic RSLogix 5000 versions. rslogix 5000 version better
If you have spent any time in the world of Allen‑Bradley (Rockwell Automation) PLCs, you know the question is never simply, “Which software should I buy?” It is always, “Which version is better?” Version 16 was the last version before major feature bloat
| 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) | Detailed Analysis: Which Version is “Better” for What? RSLogix 5000 Version 16 – The Retired Workhorse Better for: Legacy systems, extremely stable plants that do not change, discrete machine control. If your plant has no safety PLCs and