Allen Bradley 1756-EN2TK ControlLogix EtherNet/IP Bridge Module

Product Introduction

The Allen-Bradley 1756-EN2TK is a high-performance EtherNet/IP bridge module designed for ControlLogix systems. Developed by Rockwell Automation, this module enables seamless communication between ControlLogix controllers and Ethernet-based industrial networks.

Engineered for demanding industrial environments, the 1756-EN2TK supports high-speed data exchange and large-scale network integration. With support for up to 128 TCP/IP connections and 256 Logix connections, it is well-suited for complex automation systems requiring extensive device communication.

The module also features conformal coating for enhanced protection against harsh environmental conditions such as humidity, dust, and corrosive elements. Its flexible installation allows placement in any slot within the ControlLogix chassis, making it a versatile and scalable networking solution.

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Product Specifications

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Applications

• Industrial Ethernet networking – Enables communication between PLCs, HMIs, and distributed devices over EtherNet/IP

• Large-scale automation systems – Supports high connection capacity for complex control architectures

• Process control industries – Widely used in oil & gas, chemical, and power generation systems

• Factory automation – Integrates controllers with I/O devices, drives, and supervisory systems

• Data acquisition and monitoring – Facilitates high-speed data exchange for real-time system visibility

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Advantages

• High connection capacity – Supports up to 128 TCP/IP and 256 Logix connections for scalable systems

• Fast data processing – High packet rates ensure efficient communication in real-time applications

• Flexible installation – Can be installed in any slot within the ControlLogix chassis

• Enhanced durability – Conformal coating protects against harsh industrial environments

• Advanced network management – SNMP support enables diagnostics and monitoring

• Seamless integration – Fully compatible with ControlLogix architecture and EtherNet/IP networks

FAQ

1. What is the main function of the 1756-EN2TK module?
   It acts as an EtherNet/IP bridge, enabling communication between ControlLogix systems and Ethernet-based industrial devices.
2. How many devices can connect through this module?
   It supports up to 128 TCP/IP connections and 256 Logix connections, suitable for large systems.
3. What is the advantage of conformal coating?
   It protects the module from moisture, dust, and corrosive environments, increasing reliability.
4. What communication speed does it support?
   It supports 10/100 Mbps Ethernet communication for stable and fast data transfer.
5. Can the module be installed in any slot?
   Yes, it can be installed in any available slot within the ControlLogix chassis.
6. Does it support network diagnostics?
   Yes, SNMP support allows monitoring and diagnostics of network performance.
7. What is the difference between TCP/IP and Logix connections?
   TCP/IP connections handle general Ethernet communication, while Logix connections are used for controller-specific data exchange.
8. Is it suitable for real-time control applications?
   Yes, with high packet processing capability, it supports time-sensitive control operations.
9. What industries typically use this module?
   It is widely used in manufacturing, energy, and process automation industries.
10. How does it improve system scalability?
    Its high connection capacity and flexible integration allow easy expansion of control networks.

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