The Allen-Bradley Micro800 family is a low-cost PLC system with limited functionality. Micro800 PLCs can communicate with the RMC over Ethernet via Modbus/TCP.
Attached is document with step-by-step instructions, along with a Connected Components Workbench project file for a Micro850.Micro850 Modbus TCP to Micrologix 1400.pdf (433.9 KB)
Comms.zip (1.3 MB)