Allen Bradley 1756-EN2TP ControlLogix EtherNet/IP Bridge Module

Product Introduction

The Allen-Bradley 1756-EN2TP is a dual-port EtherNet/IP bridge module designed for high-availability ControlLogix systems. Developed by Rockwell Automation, this module integrates Parallel Redundancy Protocol (PRP) to ensure continuous network operation without interruption, even in the event of a network failure.

As part of the ControlLogix communication family, the 1756-EN2TP enables real-time data exchange between controllers, I/O systems, and supervisory devices over industrial Ethernet. Its dual-port architecture allows simultaneous communication across redundant networks, significantly improving system reliability in mission-critical applications.

With support for 128 TCP/IP connections and 256 Logix connections, the module is well-suited for large-scale distributed control systems. Its ability to handle high packet rates and support SNMP diagnostics further enhances its role in advanced industrial networking environments.

Product Specifications

Applications

• High-availability control systems – Ensures uninterrupted communication using PRP redundancy

• Industrial Ethernet networks – Connects controllers, I/O devices, and SCADA systems via EtherNet/IP

• Process automation industries – Ideal for oil & gas, power generation, and chemical processing

• Critical infrastructure systems – Used in applications where network downtime is unacceptable

• Distributed control systems – Supports large-scale, multi-node automation architectures

Advantages

• PRP redundancy support – Provides seamless network failover with zero recovery time

• Dual Ethernet ports – Enables parallel communication paths for increased reliability

• High connection capacity – Supports up to 128 TCP/IP and 256 Logix connections

• High-performance communication – Handles large volumes of real-time data efficiently

• Advanced diagnostics – SNMP support allows monitoring and network management

• Flexible system integration – Compatible with all ControlLogix platforms

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