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
32 inputs (DC 24 V) Digital Input Module for S7-300 - 700-321-1BL00 – Helmholz Sales online store for Helmholz parts in North America
Sm321 16 Digital Input Module 300 PLC Replacement of Siemens S7 300 - China 300 Plc and Replacement Plc
Simatic ET 200MP / Simatic S7-1500 IO: Easy migration without detours
Ethernet Communication Module For Siemens S7-200 S7-300/400 Plc 840d Ppi Mpi Profibus Gateway For Hmi Opc Modbus Tcp Tia Portal - Instrument Parts & Accessories - AliExpress
SIEMENS 6ES7321-1BH02-0AA0 | SIMATIC S7-300 SM321 Digital Input Module