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thanks for your reply, But i work in FB bloc, how can I call FC bloc ? or do you suggest me to write my program in FC block ?

Hello, thanks for your reply, I prefer doing this "do the logic in an FC or FB using an AND " but how to do this ? thanks :)

Hello everyone FIRST of all, sorry because I did not write in german but I need some help please I'm new here and also I studying automation and I want some help in interlock in s7 graph, so my problem is I want to do conditional actions in a single STEP, as in this image...