1756-EN2T - ControlLogix EtherNet IP Communication Allen Bradley

1756-EN2T - ControlLogix EtherNet IP Communication Allen Bradley

Description of  1756-EN2T

The Allen-Bradley 1756-EN2T is a part of the ControlLogix Communication Module series. It is an EtherNet/IP (Ethernet Industrial Protocol) interface communication module. It supports general messaging, real-time I/O messaging, and information exchange for applications like Real-Time Control, Time Synchronization, and Motion. The 1756-EN2T also has the CIP safety standard by allowing simultaneous transfer of safety and control data and diagnostics information. It uses advanced communication chips and physical media.

The 1756-EN2T supports 10 to 100 Mbps EtherNet/IP communication rates and uses Twisted pair copper media. It supports 256 Logix and 128 TCP/IP communication connections. It can support a maximum of 8 axes for integrated motion on the Ethernet/IP Network and draws 1 A current at 5.1 Volts DC. It has a maximum power dissipation of 5.1 Watts and thermal dissipation of 17.4 BTU/hour. It can be installed in any slot in the ControlLogix Chassis. For wiring, it uses unshielded RJ45, category 5, twisted-pair cable connectors to interface with the controller. To operate an EtherNet/IP network, parameters such as an IP address, Subnet masks, Gateway, etc. must be defined. The 1756-EN2T bridge has various functions like providing support for messaging, distributed I/O, and tags. It encapsulates messages within standard TCP/IP protocol. ControlNet and DeviceNet network protocols allow it to share a common application layer. It does not require any scheduling or routing table to store information. Other features include a protected mode, an electronic keying, a device level ring network, and a parallel redundancy protocol network support.

Key Features of the 1756-EN2T Module
Ethernet/IP Protocol: The primary function of the 1756-EN2T module is to enable communication using the Ethernet/IP protocol. Ethernet/IP is based on standard Ethernet technology and is a widely accepted industrial communication protocol. It allows devices like programmable logic controllers (PLCs), human-machine interfaces (HMIs), and other industrial equipment to communicate and share data seamlessly.
High-Speed Communication: The 1756-EN2T module supports high-speed communication, making it suitable for applications that require real-time data exchange. It provides low-latency communication, which is crucial for industries where timing is critical, such as automotive manufacturing or pharmaceutical production.
Wide Range of Applications: This module can be used in a variety of applications, including process control, discrete manufacturing, motion control, and more. Its versatility makes it a valuable addition to many industrial automation scenarios.
Modular Design: The ControlLogix platform is known for its modular design, and the 1756-EN2T module is no exception. It can be easily integrated into existing ControlLogix chassis, allowing for scalability and flexibility in system design. Users can add or remove modules as needed to meet specific requirements.
Diagnostics and Troubleshooting: The module offers diagnostic capabilities that help users identify and resolve communication issues quickly. It provides insights into network status, connection status, and other important parameters, making it easier to maintain and troubleshoot the control system.
Redundancy Options: For mission-critical applications where system uptime is crucial, the 1756-EN2T module supports redundancy. Redundant configurations ensure that if one module or network path fails, another takes over seamlessly, minimizing downtime and ensuring continuity of operations.
Security Features: Industrial networks are susceptible to security threats, and the 1756-EN2T module includes security features to protect communication within the control system. It supports authentication and encryption, safeguarding sensitive data and preventing unauthorized access.

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