Overview
The Allen Bradley 1756-EN4TR is a high-speed EtherNet/IP communication module designed for the ControlLogix platform. It facilitates seamless data exchange between controllers, distributed I/O, HMIs, and other EtherNet/IP devices. With integrated switch technology and Device Level Ring (DLR) support, the module ensures reliable network performance and enhanced system redundancy in industrial automation applications.
General Information
Part Number: 1756-EN4TR
Manufacturer: Allen Bradley
Brand: Allen Bradley
Country of Origin: United States
Series: ControlLogix
Product Type: EtherNet/IP Communication Module
Network Technology: EtherNet/IP
Ports: Dual RJ45 Ethernet Ports
Redundancy Support: Device Level Ring (DLR)
Mounting: Chassis-Based Installation
Application: Industrial networking, controller communication, remote I/O integration
Power Specifications
Power Supply: ControlLogix Backplane Powered
Backplane Current Draw (5.1 V DC): Approx. 1.0 A
Backplane Current Draw (24 V DC): Approx. 3 mA
Power Dissipation: Approx. 5.1 W
Thermal Dissipation: Approx. 17.4 BTU/hr
Status Indicators: Module Status, Network Status, Link Activity, DLR Status LEDs
Protection Features: Integrated diagnostics and fault monitoring
Communication & Interface
Communication Protocol: EtherNet/IP
Ethernet Ports: 2 × 10/100 Mbps RJ45 Ports
Network Topology: Star, Linear, and Ring
Embedded Switch: Yes
Device Level Ring (DLR): Supported
Messaging Support: CIP Messaging, Produced/Consumed Tags
Configuration Software: Studio 5000 Logix Designer
Diagnostics: Network monitoring, link status, fault detection, and communication diagnostics
Compatibility: ControlLogix Controllers and EtherNet/IP Devices
Environmental
Operating Temperature: 0 to +60 °C
Storage Temperature: -40 to +85 °C
Relative Humidity: 5% to 95% RH, Non-condensing
Vibration Resistance: Designed for Industrial Environments
Shock Resistance: Meets Industrial Standards
Protection Rating: Suitable for Installation Inside Industrial Enclosures
Dimensions & Weight
Dimensions (H × W × D): 144.5 × 34.6 × 130.18 mm
Weight: 0.31 kg
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