Modbus s7-1200 communication with the PC - YouTube
Siemens 6ES7 241-1CH32-0XB0 SIMATIC S7-1200, Communication Module cm 1241, RS422/485, 9 PIN SUB D (Female) Supports Message Based Freeport: Amazon.com: Industrial & Scientific
6ES7241-1CH32-0XB0 | Siemens Simatic S7-1200 - Communication Module | PLC-City
SIMATIC S7-1200 4 - impol-1
Siemens CM 1241: Summary
Communication module - 148130 - Industry Support Siemens
Siemens CM 1241 6ES7241-1CH32-0XB0 PLC communication module 24 V | Conrad.com