Allen-Bradley 1756-EN2T B EtherNet/IP Bridge Module
A workhorse for industrial communication networks, this module bridges critical control systems in manufacturing and process industries. Designed for real-time data exchange between PLCs, HMIs, and field devices, its dual-port architecture reduces network bottlenecks in complex automation setups.
Technical Specifications
| Attribute | Specification |
|---|---|
| Brand | Allen-Bradley (Rockwell Automation) |
| Family | ControlLogix 1756 Series |
| Communication | Dual-port EtherNet/IP with store-and-forward |
| Power | 24V DC (18-32V DC operating range) |
| Environmental | -20°C to 65°C operational temperature |
| Mounting | 35mm DIN rail compatible |
| Certifications | CE, UL, cUL, RoHS compliant |

Real-World Applications
We’ve seen this module deployed in automotive assembly lines where it maintains communication between robotic cells and central PLCs, and in oil & gas facilities where it bridges legacy Modbus systems with modern EtherNet/IP networks. Its dual-port design allows for daisy-chaining I/O racks without additional switches.
Common pairings include:
- 1756-L72S ControlLogix controllers
- 2711-B6C20 PanelView HMIs
- 1794-ACNR15 Compact I/O adapters
Our Value Proposition
While Rockwell’s standard warranty covers 1 year, we provide extended technical support for 18 months – something customers particularly appreciate when upgrading legacy systems. Our global warehouse network ensures 2-5 day delivery for critical spares.
Need pricing or availability? Contact Linda via WhatsApp, email abbdcs36@gmail.com, or visit our warehouse at ABB-WORLD, Tsim Sha Tsui, Hong Kong. All units come with our 1-year functional warranty.

*Technical specifications derived from Rockwell Automation documentation 1756-EN2T/B User Manual and field reports from our engineering team. Physical dimensions confirmed with calipers during warehouse inspection.














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