Hello Everyone,

 I work on a project with a siemens s7-1200. I need ton connect my plc to a c# program. I did it however since I passed this difficutly, I can't use my 16x relay. I have this picture on step7 and every things on this device is not working. Somebody had this problem before ? 

Thank you very much for your help

I would like to use the second device whiwh is a sm1223 DC\relay.

I could use it before my connexion with my c# program. Now It is impossible and it is unreachable. I think this a problem with configuration of my project but I don't find the problem.

+ Remount the hardware

+ Force compile hardware and software of your program

+ Download hardware and software

Thank you,

It works !!