Dear I have a problem of communication of hmi with plc,
explain this was working but stopped communicating so I want to change the port console comuncación, now in serial A, and I want to use port B
Touch is a series hmii NS5
CQM1H plc
the comuncación with hmi RS232 is configured as in standard
and the hmi as seriala NT (Link 1: N)
but stopped working, only appears on the console screen with the message start ¨ ¨ conecting
how do I load the project using port B and port A that stopped communicating and
and how serious the programming cable