Product Overview

The A-B 1756-ENBT/A is an Ethernet interface module designed for use with Allen-Bradley’s ControlLogix programmable automation controllers (PACs). It provides high-speed Ethernet connectivity for ControlLogix systems, enabling seamless communication with other devices and networks, both within and outside of the plant. The A-B 1756-ENBT/A module supports advanced networking protocols and is built for robust industrial environments, making it ideal for manufacturing, process control, and automation systems that require reliable, high-performance communication.

This module offers a fast, reliable connection with Ethernet/IP, TCP/IP, and UDP protocols, and it supports up to 10/100/1000 Mbps speeds. The A-B 1756-ENBT/A is designed to handle high-bandwidth applications, ensuring quick data transmission and real-time communication between control devices, I/O systems, HMIs, and other networked equipment. Its dual-port design allows for easy redundancy configurations, ensuring network reliability even in the event of a network failure.

With its user-friendly configuration and advanced diagnostic features, the A-B 1756-ENBT/A makes it easier to manage and monitor networked systems, improving operational efficiency and system uptime.


Technical Specifications

Parameter Value
Product Model A-B 1756-ENBT/A
Manufacturer Allen-Bradley
Product Type Ethernet Interface Module
Supported Protocols Ethernet/IP, TCP/IP, UDP
Ethernet Speed 10/100/1000 Mbps
Ports 2 (Auto-sensing)
Power Supply 24V DC
Mounting ControlLogix Chassis
Operating Temperature 0°C to +60°C

Key Features and Benefits

High-Speed Ethernet Communication

The A-B 1756-ENBT/A supports 10/100/1000 Mbps Ethernet speeds, making it an excellent choice for high-performance industrial automation systems. With this module, ControlLogix systems can quickly exchange large amounts of data across the network, improving system responsiveness and overall efficiency.

Rexroth MAC071C-0-GS-4-C/095-B-1/WI520LV/S001 - Industrial Control Component

Dual Ethernet Ports for Redundancy

The A-B 1756-ENBT/A module comes with two Ethernet ports, supporting network redundancy. In the event of a network failure, the system can seamlessly switch over to the second port, ensuring that communication continues uninterrupted. This feature is critical for mission-critical applications that require maximum uptime.

Advanced Diagnostics and Monitoring

The A-B 1756-ENBT/A module is equipped with advanced diagnostic features that allow users to monitor network health, troubleshoot problems, and identify issues before they become critical. With real-time feedback, operators can proactively manage the network to prevent downtime and improve system reliability.

Seamless Integration with ControlLogix Systems

As part of the ControlLogix family, the A-B 1756-ENBT/A integrates seamlessly into existing automation systems, making it easy to add Ethernet communication without extensive reconfiguration. It supports multiple communication protocols like Ethernet/IP and TCP/IP, ensuring compatibility with a wide range of devices and equipment.

Scalable Network Design

This Ethernet interface module supports flexible network designs, allowing users to build scalable systems that can grow with their needs. The A-B 1756-ENBT/A is suitable for both small and large control networks, providing the necessary bandwidth and reliability for demanding industrial applications.

Easy Configuration and Setup

The module features easy configuration through Rockwell Automation’s Studio 5000 and RSLogix 5000 software. The straightforward setup process reduces the complexity of adding Ethernet communication to a ControlLogix system, enabling users to quickly deploy the module into their network.


Related Models

  • 1756-ENBT – The standard version of the Ethernet interface module without redundancy, ideal for basic Ethernet communication requirements in ControlLogix systems.
  • 1756-EN2T – A similar model with enhanced capabilities, including support for more advanced networking protocols and faster communication speeds.
  • 1756-EN2F – A fiber-optic Ethernet module that provides long-distance communication, making it suitable for applications where electromagnetic interference or distance is a concern.
  • 1756-EN3TR – A more advanced version with improved network management and security features, designed for larger, more complex network infrastructures.
  • 1756-EN2TXT – A variant with additional text-based diagnostics and extended communication capabilities, particularly useful for remote monitoring and troubleshooting.

If you need more information on the A-B 1756-ENBT/A or any related models, feel free to reach out!