Allen-Bradley 1756-EN2TR ControlLogix Dual-Port EtherNet/IP Communication Module

Allen-Bradley · PLCs & Industrial Controllers

Description  The Allen-Bradley 1756-EN2TR is a ControlLogix Ethernet communication module with dual RJ45 ports for redundant Ethernet/IP networking. It supports 10/100 Mbps transmission speeds and includes a USB 1.1 port for configuration and diagnostics.     Technical Specifications  Condition New/Never Used Surplus Brand Allen-Bradley Category PLCs / Machine Control Part Number 1756-EN2TR Subcategory PLC Communication Module Manufacturer Rockwell Automation Series ControlLogix Module Type EtherNet/IP Communication Module Communication Protocol EtherNet/IP Ethernet Communication Rate 10/100 Mbps Integrated Ports 2 × RJ45 Ethernet, 1 × USB 1.1 Network Redundancy Device Level Ring (DLR), Parallel Redundancy Protocol (PRP) Maximum Logix Connections 256 Maximum TCP/IP Connections 128 Integrated Motion Support Up to 8 Axes over EtherNet/IP Backplane Current @ 5 VDC 1.0 A Backplane Current @ 24 VDC 3 mA Power Consumption 5.1 W Power Dissipation 5.1 W Thermal Dissipation 21.28 BTU/hr Insulation Voltage 30 V Continuous Slot Width 1 Slot Installation Location Any Slot in ControlLogix Chassis Enclosure Type Open Style Operating Temperature 0°C to 60°C (32°F to 140°F) Weight Approximately 0.30 kg (0.66 lb)       Information About 1756-EN2TR The 1756-EN2TR is part of the ControlLogix communication module series, designed to provide high-speed Ethernet/IP connectivity with redundancy for enhanced network reliability. It supports real-time I/O messaging, controller-to-controller communication, safety data transfer, and integrated motion with up to 8 axes on Ethernet/IP. This module operates at 10/100 Mbps with auto-negotiation and supports up to 256 Logix connections and 128 TCP/IP connections, enabling scalable integration in complex automation systems. It consumes 1 A at 5 VDC from the chassis backplane with a power dissipation of 5.1 W and thermal dissipation of 21.28 BTU/hr. Featuring Device Level Ring (DLR) and Parallel Redundancy Protocol (PRP) support, the 1756-EN2TR improves network resiliency while maintaining seamless communication. Its open-style design, single-slot width, and compatibility with any slot in the ControlLogix chassis provide flexible installation in industrial environments. Key Features: Ethernet Ports: Dual RJ45 ports supporting redundant Ethernet/IP networks at 10/100 Mbps. USB Interface: Integrated USB 1.1 port for programming, configuration, and diagnostics. Network Support: Handles 256 Logix connections, 128 TCP/IP connections, and up to 8 motion axes on Ethernet/IP. Performance: Provides real-time I/O messaging, controller-to-controller communication, and CIP safety data transfer. Redundancy: Supports Device Level Ring (DLR) and Parallel Redundancy Protocol (PRP) for network resiliency. Power Requirements: Draws 1 A at 5 VDC and 3 mA at 24 VDC with 5.1 W maximum power dissipation. Thermal Rating: 21.28 BTU/hr thermal dissipation for efficient heat management. Insulation: Rated for 30 V continuous insulation voltage for electrical safety. Installation: Open-style, single-slot module that can be placed in any ControlLogix chassis slot. Application Use: Enables messaging, distributed I/O, safety, and motion control over Ethernet/IP. The 1756-EN2TR delivers the reliability and precision required for redundant Ethernet communication in ControlLogix automation systems.

Brand: Allen-Bradley · Category: PLCs & Industrial Controllers

Key features

• Ethernet Ports: Dual RJ45 ports supporting redundant Ethernet/IP networks at 10/100 Mbps.
• USB Interface: Integrated USB 1.1 port for programming, configuration, and diagnostics.
• Network Support: Handles 256 Logix connections, 128 TCP/IP connections, and up to 8 motion axes on Ethernet/IP.
• Performance: Provides real-time I/O messaging, controller-to-controller communication, and CIP safety data transfer.
• Redundancy: Supports Device Level Ring (DLR) and Parallel Redundancy Protocol (PRP) for network resiliency.
• Power Requirements: Draws 1 A at 5 VDC and 3 mA at 24 VDC with 5.1 W maximum power dissipation.
• Thermal Rating: 21.28 BTU/hr thermal dissipation for efficient heat management.
• Insulation: Rated for 30 V continuous insulation voltage for electrical safety.
• Installation: Open-style, single-slot module that can be placed in any ControlLogix chassis slot.
• Application Use: Enables messaging, distributed I/O, safety, and motion control over Ethernet/IP.

Specifications

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