RS422-RS485 communication module Siemens CSM 1241 RS42… | Automation24
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
Configuring Modbus RTU Communication in Siemens TIA Portal