1756-EN2TK ControlLogix EtherNet/IP Conformal Coated Communication Module | Allen-Bradley

Product Overview

The Allen-Bradley 1756-EN2TK functions as a high-performance EtherNet/IP communication interface within the ControlLogix platform. This "K" version features a professional conformal coating, providing essential protection for internal circuitry against moisture, dust, and chemical contaminants. It facilitates high-speed data bridging between the ControlLogix backplane and Ethernet networks, supporting real-time I/O control, interlocking, and messaging. We supply this unit in 100% Brand New condition, ensuring peak network integrity for mission-critical industrial automation systems.

Technical Specifications

• Module Type: EtherNet/IP Communication Bridge

• Communication Rate: 10/100 Mbps

• Coating: Conformal Coated (K-version) for harsh environments

• Current Draw (5.1V DC): 1.0 Amp

• Current Rating: 1.2 Amps

• Thermal Dissipation: 21.28 BTU per hour

• Insulation Voltage: 30V Continuous

• Slot Width: 1 Slot

• Chassis Location: Any available slot

• Unit Weight: 1.06 lbs (0.48 kg)

Engineering Advantages

The 1756-EN2TK solves rigorous networking and environmental challenges through its hardened design and high-capacity throughput:

• Harsh Environment Resilience: The factory-applied conformal coating protects the PCB from corrosive atmospheres and humidity. This feature eliminates the need for expensive specialized enclosures in wastewater treatment, chemical processing, or coastal facilities.

• Deterministic Data Transfer: The module manages high-volume EtherNet/IP traffic with precision, ensuring that time-critical control data receives priority over standard messaging. This maintains the determinism required for synchronized motion and high-speed discrete control.

• Flexible Chassis Integration: The hardware installs into any available slot of a ControlLogix chassis. This allows engineers to optimize panel layout and distribute communication load effectively without restricted slot assignments.

• Thermal Efficiency: The module dissipates only 21.28 BTU per hour, minimizing the heat signature within the rack. This efficient thermal management prevents localized hot spots, protecting adjacent high-density I/O modules from premature thermal aging.

FAQs

• What does the "K" suffix signify in the 1756-EN2TK part number?

  The "K" indicates that the module features a conformal coating. This protective layer shields the electronics from harsh environmental factors like salt spray, moisture, and corrosive gases, extending the hardware life in demanding industrial settings.

• Is this a Brand New original Allen-Bradley product?

  Yes. We guarantee this 1756-EN2TK is 100% Brand New original factory stock. In high-speed networking, using brand-new modules ensures the Ethernet transceivers and internal logic operate at full factory-specified signal integrity.

• Does this module support CIP Motion and Safety?

  The 1756-EN2T series supports Common Industrial Protocol (CIP) for motion and safety tasks. It allows for integrated motion on EtherNet/IP and facilitates SIL 3 safety communication when used within a GuardLogix architecture.

• What is the maximum number of connections for the 1756-EN2TK?

  This module typically supports 128 TCP/IP connections and 256 Logix (CIP) connections, providing the high capacity needed for modern, data-intensive automation networks.