6ES7972-0CB20-0XA0 Difference

6ES7972-0CB20-0XA0 is a part number for a USB-MPI adapter, which is compatible with the S7-200/300/400 programmable logic controllers. It allows for communication between a computer’s USB port and the MPI, PPI, DP, or PROFIBUS interfaces of the Siemens controllers, and features electrical isolation for enhanced safety. Now there are 3 versions 6ES7972-0CB20-0XA0, and each version … Read more