Industrial 0-57404-1J Network Communications Module

The RELIANCE ELECTRIC 0-57404-1J Network Communications Module (57C404B) enables high-speed rack-to-rack communications in Auto-Max PLC and DCS 5000 systems, delivering reliable data exchange between controller racks. It uses synchronous serial communication with 1 network connector and 2 edge connectors, supports up to 55 virtual drops, and includes built-in dual-port memory for efficient data transfer across racks. This rack-mounted module operates on 5V at 2.5A, +12V at 53mA, and -12V at 7.5mA, with firmware revision B, and is designed for distributed control and PLC communications in manufacturing facilities, process control environments, and large automation networks. Common replacements include 57C404B, 57C404C, and 0-57404-2B.