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Allen-Bradley 1756-EN2TR Series C | Dual-Port EtherNet/IP Interface Module for ControlLogix Systems
Overview
The Allen-Bradley 1756-EN2TR, Series C, is a high-performance EtherNet/IP communication module designed for ControlLogix systems. It features dual 10/100 Mbps Ethernet ports, supports up to 128 TCP/IP connections, and enables Device-Level Ring (DLR) and linear network topologies for enhanced reliability and fault tolerance. This module also supports real-time communication for up to 8 coordinated motion axes over EtherNet/IP.
Key Features
-
Dual-Port 10/100 Mbps – Auto-negotiation with full/half duplex
-
128 TCP/IP Connections – Supports large-scale distributed systems
-
Supports up to 8 Axes – Ideal for motion control over Ethernet
-
DLR (Device-Level Ring) & Linear Topology – Provides network redundancy and flexibility
-
Series C Version – Enhanced firmware and stability
-
Hot-Swappable – Module can be replaced without system shutdown
-
Studio 5000 / Logix Designer Integration – Easy programming and diagnostics
Technical Specifications
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Catalog Number: 1756-EN2TR
-
Series: C
-
Ethernet Ports: 2 x RJ45 (10/100 Mbps, full/half duplex)
-
Supported Topologies: DLR, Linear, Star
-
Max CIP Connections: 256
-
Max TCP/IP Connections: 128
-
Max Axes Supported: 8 (coordinated over Ethernet)
-
Backplane Current Load: 1 A @ 5.1V DC
-
Packet Rate: Up to 10,000 packets/sec
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Mounting: ControlLogix chassis slot
-
Operating Temperature: 0°C to +60°C (32°F to 140°F)
-
Certifications: UL, CE, CSA, ATEX, IECEx, EtherNet/IP Conformance
Applications
-
High-Speed Networked I/O and Motion Control
-
Redundant Ethernet Architectures with DLR
-
ControlLogix Peer-to-Peer Communications
-
Machine-Level and Plant-Wide Integration
-
SCADA, MES, and Enterprise Connectivity
Why Choose the 1756-EN2TR Series C?
-
Advanced Networking Capabilities – Dual-port support for redundancy and flexibility
-
Reliable Real-Time Communication – Ideal for motion and high-speed control
-
Scalable and Robust – Designed for large, complex industrial networks
-
Easy to Integrate – Full support in Studio 5000
-
Trusted Rockwell Automation Quality – Industrial-grade reliability
Order Now
Available and ready to ship globally.
Description
Allen-Bradley 1756-EN2TR Series C | Dual-Port EtherNet/IP Interface Module for ControlLogix Systems
Overview
The Allen-Bradley 1756-EN2TR, Series C, is a high-performance EtherNet/IP communication module designed for ControlLogix systems. It features dual 10/100 Mbps Ethernet ports, supports up to 128 TCP/IP connections, and enables Device-Level Ring (DLR) and linear network topologies for enhanced reliability and fault tolerance. This module also supports real-time communication for up to 8 coordinated motion axes over EtherNet/IP.
Key Features
-
Dual-Port 10/100 Mbps – Auto-negotiation with full/half duplex
-
128 TCP/IP Connections – Supports large-scale distributed systems
-
Supports up to 8 Axes – Ideal for motion control over Ethernet
-
DLR (Device-Level Ring) & Linear Topology – Provides network redundancy and flexibility
-
Series C Version – Enhanced firmware and stability
-
Hot-Swappable – Module can be replaced without system shutdown
-
Studio 5000 / Logix Designer Integration – Easy programming and diagnostics
Technical Specifications
-
Catalog Number: 1756-EN2TR
-
Series: C
-
Ethernet Ports: 2 x RJ45 (10/100 Mbps, full/half duplex)
-
Supported Topologies: DLR, Linear, Star
-
Max CIP Connections: 256
-
Max TCP/IP Connections: 128
-
Max Axes Supported: 8 (coordinated over Ethernet)
-
Backplane Current Load: 1 A @ 5.1V DC
-
Packet Rate: Up to 10,000 packets/sec
-
Mounting: ControlLogix chassis slot
-
Operating Temperature: 0°C to +60°C (32°F to 140°F)
-
Certifications: UL, CE, CSA, ATEX, IECEx, EtherNet/IP Conformance
Applications
-
High-Speed Networked I/O and Motion Control
-
Redundant Ethernet Architectures with DLR
-
ControlLogix Peer-to-Peer Communications
-
Machine-Level and Plant-Wide Integration
-
SCADA, MES, and Enterprise Connectivity
Why Choose the 1756-EN2TR Series C?
-
Advanced Networking Capabilities – Dual-port support for redundancy and flexibility
-
Reliable Real-Time Communication – Ideal for motion and high-speed control
-
Scalable and Robust – Designed for large, complex industrial networks
-
Easy to Integrate – Full support in Studio 5000
-
Trusted Rockwell Automation Quality – Industrial-grade reliability
Order Now
Available and ready to ship globally.