I have a problem, it is a modem connection between S7 200 and Westermo TD-32B with PPI cable (6ES7 901-3CB30-0XA0).
I want a PLC which is a place (A) using a modem to establish communication with the computer to position (B). Today I managed to connect the computer with modem, but when you need to connect to my PLC then appears error "port not open."
I do not know if this adapter that I responsible for this job.
You ask if any of you has some experience to help me
I want a PLC which is a place (A) using a modem to establish communication with the computer to position (B). Today I managed to connect the computer with modem, but when you need to connect to my PLC then appears error "port not open."
I do not know if this adapter that I responsible for this job.
You ask if any of you has some experience to help me