Why the 1756-EN2TR ControlLogix Ethernet Module Is a Smart Choice for Industrial Networking

Introduction

In modern industrial automation, seamless communication between controllers, devices, and networks is critical. The 1756-EN2TR from Rockwell Automation is designed to meet these demands with robust performance, redundancy, and flexibility. Available through AMPS Electric Trading, this module is widely used in ControlLogix systems to enable efficient and reliable Ethernet/IP communication.

This blog explores the key features, specifications, and benefits of the 1756-EN2TR module, and why it remains a trusted solution in industrial environments.

Overview of the 1756-EN2TR Module

The 1756-EN2TR is a ControlLogix Ethernet communication module that supports EtherNet/IP networking. It is engineered to connect controllers and devices over industrial Ethernet, enabling real-time data exchange and system integration.

One of its standout features is its support for Device Level Ring (DLR) topology, which enhances network resilience. With dual Ethernet ports and built-in redundancy, the module ensures minimal downtime in critical applications.

Key Features and Capabilities

- 1. Dual Ethernet Ports with DLR Support
  The module includes two RJ45 Ethernet ports, allowing for ring topology configurations. This enables Device Level Ring (DLR), which provides network redundancy by maintaining communication even if a single connection fails.
  2. High-Speed Communication
  With a communication rate of 10/100 Mbps, the 1756-EN2TR ensures fast and reliable data transfer across industrial networks.
  3. Extensive Connection Capacity
  The module supports:
  - Up to 128 TCP connections
  - Up to 256 CIP connections
  This makes it suitable for complex automation systems with multiple devices and high communication demands.
  4. EtherNet/IP Protocol Support
  The module fully supports EtherNet/IP and TCP/IP protocols, enabling seamless integration with ControlLogix controllers and other industrial devices.
  5. Built-in Redundancy
  Redundancy is a critical requirement in industrial environments. The 1756-EN2TR supports network redundancy, ensuring continuous operation even in case of network faults.

Technical Specifications

Here’s a quick look at the technical details that define the performance of this module:

Communication Protocol: EtherNet/IP
Ports: 2 × RJ45 Ethernet ports
Data Rate: 10/100 Mbps
Power Consumption: 5.1 W
Current Draw: 1A @ 5.1V DC, 3mA @ 24V DC
Operating Temperature: 0°C to 60°C
Humidity Range: 5–95% non-condensing
Mounting: Chassis-based, fits any slot in ControlLogix systems

These specifications highlight the module’s suitability for demanding industrial environments.

Benefits for Industrial Applications

Enhanced Network Reliability
With DLR support and dual ports, the module ensures continuous communication even if one link fails. This is especially important in mission-critical systems such as manufacturing lines and process plants.
Scalability and Flexibility
The high number of supported connections allows engineers to scale their systems without worrying about communication bottlenecks.
Easy Integration
As part of the ControlLogix family, the 1756-EN2TR integrates seamlessly with other Allen-Bradley components, simplifying system design and configuration.
Reduced Downtime
Redundancy features and robust design minimize system interruptions, improving overall productivity.

Typical Use Cases

The 1756-EN2TR module is widely used in:

Manufacturing automation systems
Process industries (oil & gas, chemical, water treatment)
Material handling systems
Power generation and distribution

Its reliability and performance make it ideal for environments where communication failure is not an option.

Why Buy from AMPS Electric Trading?

When sourcing industrial automation components, reliability and authenticity are crucial. AMPS Electric Trading offers genuine products like the 1756-EN2TR, ensuring quality and performance. Their expertise in industrial electrical components makes them a trusted supplier for engineers and system integrators.

Conclusion

The 1756-EN2TR stands out as a powerful and reliable Ethernet/IP communication module for ControlLogix systems. With features like dual Ethernet ports, DLR support, high connection capacity, and robust environmental tolerance, it is well-suited for modern industrial automation needs.

Whether you are upgrading an existing system or building a new one, this module offers the performance and reliability required to keep your operations running smoothly. Available at AMPS Electric Trading, it’s a smart investment for any industrial network infrastructure.

📍 Contact AMPS Electric Trading:
📧 contact@ampsqr.com
📞 +974 3033 8370
🌐 www.ampsqr.com

Written by

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Published on

May 5, 2026

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