Allen-Bradley 1756-EN2TRK ControlLogix EtherNet/IP Module – Obsolete ControlLogix Spare Part

Name: Allen-Bradley 1756-EN2TRK ControlLogix EtherNet/IP Module – Obsolete ControlLogix Spare Part
Brand: Allen-Bradley

Model: 1756-EN2TRK

Brand Allen-Bradley

Series ControlLogix

Model 1756-EN2TRK

RFQ-ready model route Obsolete and surplus sourcing Export follow-up by model list

Product Overview

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Commercial Path

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Technical Dossier

Product Details And Specifications

Allen-Bradley 1756-EN2TRK ControlLogix EtherNet/IP Module – Obsolete ControlLogix Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Part Number	1756-EN2TRK
Manufacturer	Allen-Bradley / Rockwell Automation
Series	ControlLogix 1756
Module Type	EtherNet/IP Communication Module
Network Speed	10/100 Mbps
Topology Support	Device Level Ring (DLR)
Form Factor	ControlLogix chassis-mount (1756 backplane)
Connector Type	RJ-45 (dual-port)
Product Status	Discontinued – No longer manufactured by Rockwell Automation
Country of Origin	United States
Compatible Systems	ControlLogix L6x, L7x series; Studio 5000 / RSLogix 5000

Solving the Discontinued Hardware Crisis

The 1756-EN2TRK was engineered specifically for Device Level Ring topology — a deterministic, fault-tolerant network architecture that allows the EtherNet/IP ring to self-heal within milliseconds of a cable break. Facilities that built their automation architecture around DLR cannot simply substitute a standard single-port EtherNet/IP module without redesigning the network topology and revalidating every node on the ring.

Maintaining a spare 1756-EN2TRK on the shelf is the lowest-cost insurance policy available to operations teams running this architecture. A single unit can extend the productive life of an entire ControlLogix system by 5 to 10 years — deferring capital expenditure until a planned, budgeted migration window rather than an emergency shutdown.

How to extend your ControlLogix asset life by 5–10 years with critical spare parts:

Condition & Reliability Assurance

Every 1756-EN2TRK unit shipped by DriveKNMS passes a structured 5-step quality process before dispatch:

Key Features for System Maintenance

Q: Should I buy more than one unit?
A: For any facility with more than one ControlLogix chassis running DLR topology, holding a minimum of two spare 1756-EN2TRK modules is the standard recommendation. Secondary-market availability of discontinued Rockwell hardware tightens progressively as installed base units age out. Units available today may not be available in 18 months.

Q: Can this module work with newer Studio 5000 versions?
A: The 1756-EN2TRK is compatible with Studio 5000 Logix Designer up to specific version thresholds. Firmware compatibility details are confirmed on a per-unit basis at time of sale.

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