Ethernet TCP/IP module, Modicon Premium, Ethway, Modbus TCP, Uni-Telway, 800mA at 5VDC, 10Mbit/s

"Ethernet Modbus/TCP communication module for Warm Standby redundant architecture on premium"

"The Premium Warm Standby redundant architecture combines physical redundancy of PLC with Normal/Backup type operation"

"The Normal and Backup PLCs are physically and functionally identical"

"During each cycle, the Backup PLC receives the values of the I/O on the Fipio bus from the Normal PLC."

"It receives it via inter-PLC Ethway link and applies them to its own outputs"