Studio 5000 Version 21.11 Download -

. If a project was downloaded with 21.03, you cannot upload it using 21.00. Hardware Shift:

This version was the first to only support "multi-core" Logix controllers, such as the ControlLogix 5570 CompactLogix 5370 How to Download To get the correct files, you must use the Studio 5000 Version 21.11 Download

The "proper story" behind Studio 5000 Version 21.11 is often a source of confusion because is not actually a software version, but a controller firmware revision but a controller firmware revision