6ES7972-0CB20-0XA0 USB Cable Adapter For 200/300/400 RS485 Profibus/MPI/PPI 9-pin Replace USB-MPI 0cb20

6ES7972-0CB20-0XA0 USB Cable Adapter For 200/300/400 RS485 Profibus/MPI/PPI 9-pin Replace USB-MPI 0cb20

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