Allen-Bradley 1756-EN2T ControlLogix Ethernet/IP Communication Module

Product Description

The Allen-Bradley 1756-EN2T is a high-speed Ethernet/IP communication module designed for the ControlLogix platform. It provides secure and reliable network connectivity with support for 10/100 Mbps communication rates. Compact and versatile, it fits into any ControlLogix chassis slot and offers both RJ45 and USB interfaces for flexible integration.

Technical Specifications

• Manufacturer Allen-Bradley

• Product Line ControlLogix

• Product Type Ethernet Communication Module

• Part Number 1756-EN2T

• Weight 0.56 lbs (0.26 kg)

• Communication Rate 10/100 Mbps Ethernet/IP

• Integrated Ports 1 RJ45 Ethernet port, 1 USB 1.1 port

• Insulation Voltage 30 V continuous

• Current Draw 1 A

• Current Rating 1.2 A

• Power Dissipation 6.2 W

• Thermal Dissipation 21.28 BTU/hr

• Slot Width 1 (fits any ControlLogix chassis slot)

• Operating Temperature Range 0–60 °C (32–140 °F)

• Location ControlLogix chassis, any slot

Application Scenarios

• High-speed Ethernet/IP communication for ControlLogix controllers

• Integration of industrial devices into Ethernet-based networks

• Applications requiring dual interface connectivity (Ethernet + USB)

• Distributed control systems needing reliable communication modules

FAQ

Q: What communication speeds does the 1756-EN2T support?  A: It supports 10 Mbps and 100 Mbps Ethernet/IP communication rates.

Q: Can this module be installed in any ControlLogix chassis slot?  A: Yes, it is designed for installation in any available slot.

Q: What interfaces are available on the module?  A: It includes one RJ45 Ethernet port and one USB 1.1 port.

Comparison with Similar Models

• 1756-ENBT: Earlier Ethernet/IP communication module with lower performance.

• 1756-EN2T: Enhanced version with higher efficiency and dual interface support.

• 1756-EN3TR: Advanced model with redundant Ethernet ports for fault-tolerant networks.