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Product information
Specifications

Allen-Bradley 1756-EN2TR

Introduction: The Allen-Bradley 1756-EN2TR ControlLogix EtherNet/IP Bridge Module is a premium dual-port industrial communication solution engineered and manufactured 100% in the United States (US) by Rockwell Automation. Within modern integrated enterprise control loops, real-time deterministic data throughput and low network latency form the operational cornerstone of factory performance. The 1756-EN2TR module functions as the high-capacity interface portal, seamlessly linking centralized ControlLogix processing racks to expansive plant-wide local area networks.

The core engineering advantage of the 1756-EN2TR variant lies in its smart dual-port RJ45 architecture. This configuration empowers the module to host advanced fault-tolerant topologies, including Device Level Ring (DLR) networks alongside traditional linear and star layouts. Integrated DLR logic completely safeguards industrial processes from unintended single-point failures: if a field network cable is severed, the data packet automatically re-routes via the alternate path within milliseconds, avoiding expensive process disruption. Bolstered by high-efficiency processing cores, it delivers auto-sensing 10/100 Mbps network communication speeds, maintains 128 simultaneous TCP/IP connections (and up to 256 Logix connection tasks), and handles up to 8 axes of time-synchronized Integrated Motion over EtherNet/IP to coordinate sophisticated servo axis applications.

Key Features & Technical Specifications:

Manufacturer: Allen-Bradley / Rockwell Automation
Product Series: ControlLogix Communication Hardware Family
Model Code: 1756-EN2TR
Device Type: Dual-Port EtherNet/IP Communication Bridge Module
Physical Ports Interface: 2 RJ45 industrial Ethernet port connectors.
Data Transmission Rates: 10/100 Mbps auto-negotiating capacity.
Connection Capacities: Sustains a maximum threshold of 128 TCP/IP connection points and 256 discrete Logix communication loops.
Integrated Motion Capabilities: Programmed to support multi-axis closed-loop motion synchronization up to 8 axes over the industrial Ethernet bus layer.
Network Topologies Supported: Device Level Ring (DLR) fault-tolerant rings, Linear daisy-chains, and conventional Star networks.
Mechanical Integration: Slide-in modular form factor designed for seamless drop-in mounting into any available slot configuration across standard 1756 ControlLogix chassis, supporting full Removal and Insertion Under Power (RIUP).
Country of Origin: 100% Made in the United States.