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connect communication board (cb 1241 rs485) point to point with s7 1200 - 201571 - Industry Support Siemens
How do you connect the RS485/RS422 interfaces of SIMATIC and SIPLUS modules for s... - ID: 109736665 - Industry Support Siemens
Connection CM 1241 - 140068 - Industry Support Siemens
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