Mohoo S7-200/300/400 Programme Cable Adapter RS485 PROFIBUS/MPI/PPI 64bit Support the S7-200 / 300/400 PLC communications Support PPI / MPI / communications Model: 7972-0CB20-0XA0 (can replace Siemens 6ES7972-0CB20-0XA0) Material: pure copper & Cable length: 5m PLC side: 9-pin male ; Colour: Black