Cavo MPI per Siemens S7-300/400 PLC 6ES7972-0CB20-0XA0 economico
Model: 0CB20 compatible (6ES7972-0CB20-0XA0). Simultaneously supporting online monitoring of S7-300/400 series PLCs. Device Manager after Cable Insertion. If there is a hardware update prompt and all three indicator lights of the cable.