Description:
The Allen-Bradley 1756-EN4TR EtherNet/IP Module (1756EN4TR) is used in ControlLogix automation systems to provide high-performance EtherNet/IP communication with dual copper and dual fiber ports for network redundancy. Commonly installed in ControlLogix chassis within industrial control panels, process control systems, and large-scale manufacturing lines where reliable, high-speed network connectivity is required. Maintenance teams, OEMs, and system integrators use this communication module for network upgrades, system expansion, redundancy implementation, and replacement of legacy Ethernet modules.Â
Applications:
The 1756-EN4TR module is widely used in industrial environments requiring robust and redundant Ethernet communication, including manufacturing plants, oil and gas facilities, power generation systems, and water treatment operations. It supports high node counts, real-time I/O communication, and device-level networking for drives, HMIs, remote I/O, and controllers over EtherNet/IP infrastructures.
Technical Specifications:
• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model / Part number: 1756-EN4TR
• Product type: EtherNet/IP communication module
• Series: ControlLogix
• Network protocol: EtherNet/IP
• Ports: 2 copper (RJ45) and 2 fiber (SFP) ports
• Data rate: 10/100/1000 Mbps (copper)
• Redundancy support: Device Level Ring (DLR) and network redundancy
• Mounting: 1756 ControlLogix chassis slot
• Application environment: Industrial automation systems
Common Replacements:
• Allen-Bradley 1756-EN2TR
• Allen-Bradley 1756-EN3TR
• Siemens 6GK7543-1AX00-0XE0
