Model: 0CB20 compatible (6ES7 972-0CB20-0XA0)
Interface: USB-9 pin male
System: Perfect support for XP WIN7 VISTA
Complete set: packing box + adapter + standard wiring
Purpose: Support PPI/MP and DP multi-master communication, used for Siemens S7200/300/400 and Siemens department touch (TP170/177/270, OP25/35/77, MP177/270/277B, etc.)