1756-EN2TR Allen-Bradley Ethernet Communication Module

Overview:

The Allen-Bradley 1756-EN2TR is an Ethernet/IP communication module designed for the ControlLogix series. It provides seamless integration into Ethernet networks with dual RJ45 ports, ensuring reliable and redundant connections for real-time control and data exchange. This module supports advanced features like explicit protected mode and parallel redundancy, making it ideal for high-availability applications in industrial automation. It offers an exceptional combination of scalability, flexibility, and communication reliability for any Ethernet/IP network.

Technical Specifications:

• Brand: Allen-Bradley
• Manufacturer: Rockwell Automation
• Model: 1756-EN2TR
• Module Type: Ethernet Communication Module
• Series: ControlLogix
• Communication Protocol: Ethernet/IP
• Backplane Current (5V): 1 amp
• Backplane Current (24V): 3 milliamps
• Power Consumption: 5.1 Watts
• Current Draw: 1.2 Amps
• Ethernet Communication Rate: 10/100 Mbps
• Integrated Ports:
  • 2 x RJ45 ports
  • 1 x USB 1.1 port
• Insulation Voltage: 30 Volts continuous
• Operating Temperature: 32 to 140°F (0 to 60°C)
• Power Dissipation: 5.1 W
• Thermal Dissipation: 17.4 BTU/hr
• Enclosure: Open
• Slot Width: 1
• Current Rating: 1.2 Amps
• Max Supported TCP/IP Connections: 128
• Max Supported CIP Connections: 256
• Max Supported Integrated Motion Axes: 8
• Topology Supported: Ring and Star

Ordering Information:

• Catalog Number: 1756-EN2TR
• Included in Package: 1 Ethernet/IP module
• Required Accessories: Category 5 or 6 Ethernet cable

FAQ:

1. What cable type is required for the 1756-EN2TR module?
   • Category 5 or 6 twisted-pair cable is required for network connections.
2. Can the module support third-party devices?
   • Yes, the module can communicate with third-party devices and controllers, in addition to Allen-Bradley systems.
3. What is the maximum number of connections the module supports?
   • The 1756-EN2TR supports up to 128 TCP/IP connections and up to 256 CIP connections.

Check official datasheet for more detailed information: ControlLogix and GuardLogix Controllers