I am able to connect with Proficy but the PLC crashes every time I try to read the program. Everything else seems to work fine. A specialist I worked with at Cimtec told me if the program was loaded with LM it can only be read with LM. On the internet I found other people who have had this same problem and using LM was their solution. I checked and our program was loaded with Logicmaster so that is what I am trying. I am open to any other ideas.