| Your Situation | Best Version | | :--- | :--- | | | Studio 5000 V35 or V36 | | Existing plant, mixed hardware, Windows 10 | Studio 5000 V32 | | Legacy plant with L6 or L7 processors | RSLogix 5000 V20.05 | | You hate change and want reliability | RSLogix 5000 V20.05 |
Historically, changing Data Types (UDTs) or adding features to a running PLC required putting the controller in program mode (stopping the machine). rslogix 5000 version better
Version 19 was the first mature safety firmware. It handles CIP Safety I/O reliably. It also expanded UDT (User Defined Tag) capabilities. For a long time, v19 was the industry standard for new CompactLogix projects because it worked well on Windows 7 64‑bit. | Your Situation | Best Version | |
Requires Studio 5000 v30 or higher for seamless, native performance. Windows 7: Best suited for RSLogix 5000 v20. It also expanded UDT (User Defined Tag) capabilities
If your factory relies on older ControlLogix (L61, L62, L63) or CompactLogix (L32E, L35E) controllers, you cannot go higher than Version 20.