AB 1756-EN2TR SER B ControlLogix PLC Module

 

The Allen-Bradley 1756-EN2TR is a high-performance EtherNet/IP communication module developed by Rockwell Automation. As a key component in the ControlLogix series, it facilitates fast, deterministic, and secure data exchange across industrial Ethernet networks. With dual-port embedded switch technology, the 1756-EN2TR supports Device-Level Ring (DLR) networks, making it ideal for high-availability automation systems.

 

Functional Highlights

• Bridge and Routing Capability

Routes EtherNet/IP messages between ControlLogix backplane and external network devices.

• CIP Messaging

Supports both implicit (I/O) and explicit (message) communication types.

• Time Synchronization Support

Compatible with IEEE 1588 PTP for time-critical motion control and event logging.

• Security and VLAN Tagging

Can operate within managed networks for enhanced cybersecurity and traffic control.

• Module Status Indicators

LED lights show network activity, status, and diagnostics at a glance.

• Redundancy in Topology

Facilitates resilient system architectures using ring-based fault tolerance.

 

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