Allen-Bradley 1756-EN2T ControlLogix Ethernet Module

Name: Allen-Bradley 1756-EN2T ControlLogix Ethernet Module
Brand: Allen-Bradley
SKU: 1756-EN2T
Price: 1749.99 USD
Availability: InStock

In stock: 3 units in Milwaukee, WI. Physically stocked and ready to ship or available for local pickup. Includes a 1-year full-function warranty.

Second-generation EtherNet/IP bridge · copper · single port

Allen-Bradley 1756-EN2T ControlLogix EtherNet/IP bridge module – Series D (1 of 8)

Actual NJT inventory photos

Price

$1,749.99USD

Unused surplus units available

Request Repair QuoteEstimated $1,440.00

Part Number	1756-EN2T
Description	ControlLogix EtherNet/IP bridge module. In stock in unused surplus condition, Series D.
Shipping	Ships same or next business day UPS Ground included \| Next-Day Air and Worldwide Shipping available at checkout
Pickup	Free local pickup at 2122 N Prospect Ave. Call ahead at (414) 331-5954.
Warranty	1-year full-function warranty provided by NJT Automation. Warranty details Included 1 year, full-function 2 years +15% of product price ($262.50) 3 years +25% of product price ($437.50) View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective 1756-EN2T after your purchase for a 10% core credit ($175). We also purchase old or damaged parts outright.

Replacement Options for 1756-EN2T

Pick a condition and series below. UPS Ground shipping included.

Allen-Bradley 1756-EN2T ControlLogix Ethernet Module – Series D, New surplus (sealed)

Allen-Bradley 1756-EN2T ControlLogix Ethernet Module – Series D, New surplus (sealed), second photo

Allen Bradley 1756-EN2T /D FW 11.002 PLC Enet Module - Sealed Surplus

$1,749.99 USDIn-stock match

Condition: New surplus (sealed)

Series D

3 in stockView details

Variants

Part NumberConditionSeriesQtyPrice

1756-EN2T /D$1,749.99

New surplus (sealed) · Series D · 3 in stock

1756-EN2T /DNew surplus (sealed)Series D3$1,749.99 USD

1756-EN2T

Refurbished — pick series, then request a quote

Series neededRequest Quote

1756-EN2TRefurbishedSeries needed—Request Quote

Availability

3 units in stock

Repairs

1756-EN2T Mail-In Repair Service

Estimated: $1,440.00

Part Number Decoder

ControlLogix EtherNet/IP bridge module

1756EN2T

1756: BulletinControlLogix: Rockwell Automation's chassis-based control platform (controllers, I/O, communication modules, power supplies and chassis).
EN: Module typeEtherNet/IP communication bridge: connects the chassis backplane to an EtherNet/IP network.
2: GenerationSecond-generation EtherNet/IP bridge (10/100 Mbps; 128 TCP / 256 CIP connections, up to 8 Integrated Motion axes).
T: MediaTwisted-pair copper (RJ45).

Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Series & Revisions

Series D in stock; other series on request.

Series notes: Logix keys on catalog number and firmware revision, not series; with the default Compatible Module keying, any series of the same catalog number is accepted in the slot.

Intended Use

Built for EtherNet/IP networking and remote I/O applications. The bridge connects a ControlLogix chassis to distributed I/O, drives, HMIs and other controllers over Ethernet, and uplinks the rack to plant and business networks. Dual-port versions build device-level ring (DLR) topologies for fault-tolerant machine networks.

Physical Data

Weight and DimensionsWeight0.62 lb (0.28 kg)H × W × D5.7 × 1.4 × 5.7 in. (145 × 35 × 145 mm)

Weight	0.28 kg (0.62 lb) Typical unit weight
Dimensions (H × W × D)	145 × 35 × 145 mm (5.7 × 1.4 × 5.7 in.) Single-slot module
Shipping Weight	0.81 kg (1.78 lb) Estimated: unit weight plus box and packing material; bills as 2 lb
Shipping Box (L × W × H)	12 × 12 × 8 in. (305 × 305 × 203 mm) Smallest standard box fitting the product with 3 in. cushioning per side

Product weight and dimensions are typical manufacturer-published values and may differ by series or option. Shipping box and weight are estimates for freight planning; the packed unit may ship in a different box.

Allen Bradley Information

Technical Specifications10 parameters from manufacturer-published specifications

Module type	EtherNet/IP communication bridge
Network speed	10/100 Mbps, full or half duplex
Ethernet ports	1 × RJ45
Connections	128 TCP/IP; 256 CIP
I/O packet rate	25,000 packets/s (firmware 3.6 or later)
Motion	Up to 8 axes, Integrated Motion on EtherNet/IP
Configuration port	USB
Backplane current	1.2 A @ 5.1V DC
Power dissipation	6.2 W
Chassis slots	1

Typical manufacturer-published values for this catalog number; confirm against the current manufacturer documentation before specifying.

Can the 1756-EN2T be repaired?

Yes. NJT Automation repairs the 1756-EN2T by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.

NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.

Get a repair quoteor text photos and symptoms to (414) 331-5954

Compare quotes from independent repair technicians. Post your repair on RepairMode to receive competitive bids from experienced technicians. Each technician sets their own pricing and warranty.

Find a PLC repair specialiston RepairMode.com ↗

Common failures

Failure patterns we regularly see on ControlLogix EtherNet/IP bridge module hardware like the 1756-EN2T:

Corrupted firmware after an interrupted ControlFLASH update: module stuck in boot
Scrolling display / IP address display blank while the module still passes traffic
Module drops all CIP connections under load and recovers only after a power cycle
Ethernet port failure: no link LED, or link flapping with a known-good cable and switch port
Solid red OK LED at power-up (module hardware fault) or module not seen in RSLinx

Related services:PLC Repair All Repair Services

Photos by NJT Automation; test videos from NJT or network repair technicians.

Still have questions?

Find answers to shipping, warranties, repairs, and more.

Frequently Asked Questions

What is the 1756-EN2T?

The Allen-Bradley 1756-EN2T is a ControlLogix EtherNet/IP bridge module: Second-generation EtherNet/IP bridge, copper, single port.

What condition is it in?

NJT Automation currently has 3 units of the 1756-EN2T in stock in unused surplus condition (Series D). Each listing states its own condition and series. Factory-sealed, unused surplus stock in original packaging. May carry an older date code or series than current OEM production.

How much does it cost?

At NJT Automation, 9 1756-EN2T ControlLogix EtherNet/IP bridge modules have sold since 2024 for $500 – $1,300, with a median of $850. By condition, used ControlLogix EtherNet/IP bridge modules went for $500 – $550 and unused surplus ControlLogix EtherNet/IP bridge modules went for $750 – $1,300. Right now 3 units are in stock at $1,750, depending on condition and series.

When does this part ship?

3 units of the 1756-EN2T ControlLogix EtherNet/IP bridge module are on the shelf in Milwaukee, WI, priced from $1,749.99. Orders before 5:00 PM Central on a business day ship the same day; next-day air is available at checkout.