H
Hello everyone,
I am learning PLC with s7-200. There is an exercise which I can't do, its subject "There are 8 sensors, among them have one was breaked down. I have to write a program to define it", it means that "How can I know it was failed by my program"?
please help me. I am pressing.
thanks.
I am learning PLC with s7-200. There is an exercise which I can't do, its subject "There are 8 sensors, among them have one was breaked down. I have to write a program to define it", it means that "How can I know it was failed by my program"?
please help me. I am pressing.
thanks.