ProSoft MVI56E-MCM Modbus Communication Module

ProSoft MVI56E-MNETC Modbus TCP/IP Client Enhanced Communication Module - Client/Server

ProSoft MVI56E-MNETCR Modbus TCP/IP Multi-Client Enhanced Communications Module for Remote Chassis

ProSoft MVI56-MCM Modbus Communication Module 

ProSoft MVI56-GSC Generic Serial Communication Module

ProSoft MVI94-MCM Serial Communications Modbus Communication Module

ProSoft MVI56-DFCM DF1 Half/Full Duplex Master/Slave Serial Communication Module

ProSoft MVI56-PDPS Profibus DP Slave Communication Module 

ProSoft MVI56-PDPMV1 Communications Module, Master, PROFIBUS, DPV1, ControlLogix

ProSoft MVI69-GSC Generic ASCII Serial Communication Module

OMRON CP1W-40EDT I/O expansion unit

OMRON CP1W-CIF01 CP1 RS-232C (15 m max.) serial communication option board