Industrial 0-57404-1J Network Communications Module

Description:

The RELIANCE ELECTRIC 0-57404-1J Network Communications Module (57C404B) is an industrial communication module used in Reliance Electric Auto-Max PLC and DCS 5000 systems to provide high-speed network communications between controller racks and distributed I/O systems. Commonly installed in manufacturing facilities, process control systems, and large automation networks where reliable data exchange between controllers and remote devices is required. Maintenance teams and system integrators use this module for system expansion, communications upgrades, and replacement of failed network interfaces. The 57C404B facilitates synchronous serial communications and includes built-in dual-port memory for data transfer between racks.

Applications:

The RELIANCE ELECTRIC 0-57404-1J / 57C404B Network Communications Module is widely used in industrial automation environments requiring reliable rack-to-rack communication and distributed control. It is commonly found in steel mills, paper mills, manufacturing plants, and process industries utilizing the Auto-Max PLC/DCS 5000 platform. The module supports communication with up to 55 virtual drops and serves as a critical component in multi-rack control architectures.

Technical Specifications:

• Manufacturer: Reliance Electric
• Part Number: 0-57404-1J
• Alternate Part Number: 57C404B
• Product Type: Network Communications Module
• Compatible Series: AutoMax PLC / DCS 5000
• Function: Rack-to-Rack Network Communications
• Communication Type: Synchronous Serial Communication
• Local Monitoring: Yes
• Network Connectors: 1
• Edge Connectors: 2
• Maximum Virtual Drops: 55
• Memory: Built-In Dual-Port Memory
• Power Requirements: 5V @ 2.5A, +12V @ 53mA, -12V @ 7.5mA
• Firmware Revision: B
• Mounting Type: Rack Mounted
• Application: Distributed Control and PLC Communications

Common Replacements:

• Reliance Electric 57C404B
• Reliance Electric 57C404C 
• Reliance Electric 0-57404-2B