The Allen-Bradley 1756-EN2T is a high-performance communication interface module designed for the ControlLogix platform. It functions as a bridge, enabling seamless connectivity between ControlLogix controllers and EtherNet/IP networks. This module facilitates real-time I/O messaging, controller-to-controller data exchange, and integration with HMIs, SCADA systems, and industrial drives.
Features
Supports 10/100 Mbps EtherNet/IP communication rates.
Provides 256 Logix (CIP) connections and 128 TCP/IP connections.
Features one RJ45 Ethernet port and one USB 1.1 port for local configuration.
Supports integrated motion on the EtherNet/IP network for up to 8 axes.
Compatible with standard category 5 unshielded twisted-pair copper cabling.
Supports electronic keying and Device Level Ring (DLR) network topologies.
Applications
High-speed industrial packaging and assembly lines.
Batch and recipe management systems integrated with FactoryTalk.
Distributed I/O architectures for remote process monitoring.
Data acquisition and supervisory control in automated manufacturing environments.
Technical Specifications
Model
1756-EN2T
Communication Rate
10/100 Mbps
Current Draw
1.0 A at 5.1V DC
Power Dissipation
5.1 Watts
Thermal Dissipation
17.4 BTU/hour
Operating Temperature
0 to 60 degC (32 to 140 degF)
Insulation Voltage
30V Continuous
Weight
0.2 kg
Installation Guidelines
The 1756-EN2T can be installed in any slot of a ControlLogix chassis.
Align the module with the top and bottom guide rails of the chassis before sliding it into place.
Ensure the module is fully seated so that the retaining tabs lock it securely into the backplane.
This module supports Removal and Insertion Under Power (RIUP), allowing for maintenance without powering down the entire chassis.
Always ensure proper network parameters, including IP address, subnet mask, and gateway, are configured before system operation.
FAQ
What is the primary function of the 1756-EN2T?
It acts as a communication bridge that links the ControlLogix backplane to an EtherNet/IP network, allowing for data exchange and remote device management.
Does this module support motion control?
Yes, it supports integrated motion on the EtherNet/IP network for up to 8 axes.
What type of cabling is required?
The module utilizes standard RJ45 connectors and requires category 5 unshielded twisted-pair (UTP) cabling for network connectivity.
