Allen Bradley 1756-EN2TR | ControlLogix Dual-Port EtherNet/IP Communication Module

Product Description

The Allen Bradley 1756-EN2TR is a ControlLogix EtherNet/IP communication module designed to provide high-speed, reliable connectivity for industrial automation systems. Featuring two integrated RJ-45 Ethernet ports and a USB programming interface, it supports redundant network topologies and ensures efficient communication across distributed control systems. With robust environmental ratings and vibration resistance, the module is built for demanding industrial environments.

Technical Specifications

• Manufacturer Allen Bradley

• Product Line ControlLogix (Bulletin 1756/1757)

• Product Type EtherNet/IP Communication Module

• Part Number 1756-EN2TR

• Component Type PLC & I/O Communications Module

• Weight 0.91 kg

• Onboard Ports

• 2 × Ethernet RJ-45

• 1 × USB (programming only)

• Supported Protocols EtherNet/IP

• Maximum Communication Speed 100 Mbps

• Operating Temperature Range 0–60 °C

• Storage Temperature Range –40–85 °C

• Relative Humidity Up to 95% non-condensing

• Vibration Resistance

• Acceleration: 2 g

• Frequency: up to 500 Hz

Application Scenarios

• Redundant EtherNet/IP communication in ControlLogix systems

• High-speed networking for distributed automation and machine control

• Industrial environments requiring robust communication modules with dual-port redundancy

FAQ

Q: What communication protocols does the 1756-EN2TR support?  A: It supports EtherNet/IP for industrial networking.

Q: How many Ethernet ports are available?  A: Two RJ-45 Ethernet ports are provided, plus a USB port for programming.

Q: What is the maximum communication speed?  A: Up to 100 Mbps.

Comparable Models

• 1756-EN2TR: Dual-port EtherNet/IP communication module (this model)

• 1756-ENBT: Single-port EtherNet/IP communication module

• 1756-EN3TR: Enhanced EtherNet/IP module with higher performance