Description
A-B communication module 1756-EN2T Ethernet

1756-EN2T
A-B 1756-EN2T is an industrial automation product by Rockwell Automation under its Allen-Bradley (A-B) brand. It belongs to the ControlLogix series Ethernet communication modules, designed to enable seamless network integration and data exchange in industrial environments.
This module’s design and functionality make it an essential component for industries aiming to upgrade their automation systems. It supports both explicit data (message passing) and implicit data (real-time I/O communication), catering to diverse application needs. In today’s interconnected industrial world, the Allen-Bradley 1756-EN2T plays a pivotal role in enabling the digital transformation of manufacturing and industrial processes, making it a sought-after choice for technical buyers looking to future-proof their operations.
Parameter |
Details |
Brand/Series |
Allen-Bradley / ControlLogix |
Model |
1756-EN2T |
Protocol |
EtherNet/IP (ODVA-compliant) |
Ports |
2 x RJ45 (10/100 Mbps auto-negotiation) |
Power Supply |
Powered via ControlLogix backplane (24 VDC) |
Configuration Tool |
Rockwell Studio 5000 |
Certifications |
CE, UL, cUL, ATEX (explosion-proof options available for specific models) |
Operating Temperature |
0°C – 60°C (32°F – 140°F); 5% – 95% humidity (non-condensing) |

1756-EN2T
The Allen-Bradley 1756-EN2T stands out in the industrial automation arena with its exceptional functional strengths and robust design. Its high-speed data transmission capabilities ensure that real-time data is exchanged promptly between devices, enabling swift decision-making and precise control of industrial processes. With two 10/100 Mbps Ethernet ports, it offers flexibility in network configuration, allowing for both linear topologies and ring network redundancy setups. This redundancy feature is a game-changer, significantly reducing the risk of network failures and minimizing downtime in critical operations.

1756-EN2T
Interoperability is another key advantage of the 1756-EN2T. Engineered to support the widely adopted EtherNet/IP protocol, it can seamlessly integrate with a vast array of third-party devices, from programmable logic controllers (PLCs) to variable frequency drives. This means that operators can easily expand and customize their automation systems without worrying about compatibility issues. The module’s design also emphasizes durability and reliability. Built to withstand the harsh conditions often found in industrial settings, including temperature fluctuations and electrical interference, the 1756-EN2T ensures long-term, trouble-free operation.
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