Overall, RSLogix 5000 is a reliable and feature-rich software for PLC programming and control system development. If you're working with Rockwell Automation PLCs, RSLogix 5000 is an excellent choice.
In the "Who Active" dialog, verify you are connected to the correct controller. In a plant with 50 PLCs on the same network, it’s frighteningly easy to download a pump logic into a reactor controller. Check the Slot Number and IP Address. rslogix 5000 download