Overview

The Allen-Bradley 1756-EN2TR is a high-performance, dual-port Ethernet communication module from the ControlLogix series. It provides reliable communication and connectivity for industrial applications using the Ethernet/IP network. The module is designed for applications requiring redundant network connections, as it offers Device-Level Ring (DLR) topology for enhanced network resiliency. It is suitable for use in systems that need fast communication and high data throughput, such as in automation control, monitoring, and distributed I/O systems.

Specifications

• Ports: 2 Ethernet (10/100 Mbps, auto-negotiation)
• Network Protocols: EtherNet/IP
• Supported Topologies: Linear, star, and Device-Level Ring (DLR)
• Power Supply Voltage (Backplane): 5V DC, 2.5W (maximum)
• Isolation Voltage: 30V (continuous)
• Module Type: Communication Module
• Communication Rate: 10/100 Mbps
• Current Draw (Backplane):
  • 5V: 700 mA
  • 24V: 3 mA
• Dimensions: Approx. 118 mm x 35 mm x 142 mm (4.65 in x 1.38 in x 5.59 in)
• Weight: 0.26 kg (0.57 lb)
• Environmental Ratings:
  • Operating Temperature: 0°C to 60°C (32°F to 140°F)
  • Storage Temperature: -40°C to 85°C (-40°F to 185°F)
  • Relative Humidity: 5% to 95% non-condensing
• Certifications: UL, CE, ATEX, Marine certifications, etc.