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Allen-Bradley ControlLogix 1756-EN2T EtherNet/IP Communication Module, 10/100M, 128 TCP Connections | Original New

Allen-Bradley ControlLogix 1756-EN2T EtherNet/IP Communication Module, 10/100M, 128 TCP Connections | Original New

ALLEN-BRADLEY | CONTROLLOGIX

1756-EN2T

EtherNet/IP Communication Module

Official description: EtherNet/IP communication module, 10/100M twisted pair, 128 TCP connections.

NETWORK: EtherNet/IP | LINK SPEED: 10/100M | TCP CONNECTIONS: 128 | SERIES: A

LEAD TIME: In stock | WARRANTY: 1 year

Email Inquiry [email protected]

WhatsApp +86 18159889985

Appurtenance:

Overview
Technical Data
Inquiry
Functions
Interfaces
Installation
Diagnostics
FAQ
Recommend Models
Recommended Products

Allen-Bradley ControlLogix 1756-EN2T

EtherNet/IP Communication Module for the ControlLogix platform.

NETWORK
EtherNet/IP

LINK SPEED
10/100M

TCP CONNECTIONS
128

SERIES
A

The Rockwell Automation official cut sheet identifies catalog number 1756-EN2T as EtherNet/IP communication module, 10/100M twisted pair, 128 TCP connections. Verify the complete catalog number, series or revision, installed platform and application requirements before procurement.

Technical Data

Complete model	1756-EN2T
Brand	Allen-Bradley
Product family	1756 ControlLogix I/O Modules and Accessories
Product type	Communication Interface Module
Official description	EtherNet/IP communication module, 10/100M twisted pair, 128 TCP connections
Network protocol	EtherNet/IP
Physical media	Twisted pair
Link speed	10/100 Mbit/s
TCP connections	128
Series	A
Lifecycle status	Active
Dimensions	No numeric dimensions were stated in the verified official cut sheet or product page
Weight	Not stated in the verified official cut sheet or product page
Installation instructions	Rockwell Automation publication 1756-IN050
Standard warranty	1 year

Inquiry

CONTACT

STELLA

Email Inquiry [email protected]

WhatsApp +86 18159889985

Functions

EtherNet/IP connectivity
Connects a ControlLogix system to an EtherNet/IP network.

Connection capacity
The official cut sheet specifies support for 128 TCP connections.

Network integration
Provides controller and system communication over 10/100M twisted-pair media.

Chassis communication
Exchanges data with the ControlLogix system through the chassis backplane.

Interfaces

Network medium
Uses 10/100M twisted-pair EtherNet/IP connectivity.

Connection planning
Network design must remain within the official 128 TCP connection capacity.

System interface
Installs in a ControlLogix chassis and communicates through the backplane.

Cable selection
Use industrial Ethernet cabling and installation practices specified by Rockwell Automation.

Installation

Official instructions
Follow Rockwell Automation publication 1756-IN050 for installation and safety requirements.

Chassis placement
Install the module in a compatible ControlLogix chassis slot.

Network configuration
Assign and verify the required EtherNet/IP addressing and project configuration before operation.

Commissioning
Confirm 1756-EN2T, 10/100M network compatibility and the planned TCP connection load.

Diagnostics

Exact model
Verify 1756-EN2T on the nameplate and in the controller project.

Network link
Check the physical twisted-pair connection and negotiated 10/100M link.

Connection loading
Confirm that the application remains within 128 TCP connections.

Configuration review
Verify IP addressing, chassis slot, firmware compatibility and controller path settings.

FAQ

Q1. How can I verify that the quoted unit is exactly 1756-EN2T?

Require a clear nameplate photo showing 1756-EN2T and compare it with the Rockwell Automation official cut sheet description: EtherNet/IP communication module, 10/100M twisted pair, 128 TCP connections. The quotation, invoice and packing label should use the same complete catalog number.

Q2. How can I distinguish a new 1756-EN2T from a used or refurbished unit?

Ask for current, high-resolution photos of the front, side label, chassis connector and field or network interfaces. Check for insertion marks, terminal or port wear, damaged seals, residue, repainting or mismatched packaging, and require the condition in writing.

Q3. How should I check whether a supplier is legitimate and reliable for 1756-EN2T?

Verify the legal company name, registration, physical address, corporate-domain contacts and bank beneficiary. Request traceable references and a written quotation that identifies 1756-EN2T, declared condition, quantity and return terms.

Q4. Which specifications should an engineer confirm before purchasing 1756-EN2T?

Confirm 10/100M twisted-pair EtherNet/IP connectivity, 128 TCP connections, chassis slot, firmware and network addressing. Match these items with the installed ControlLogix system and current Rockwell Automation documentation.

Q5. What physical evidence should be requested before payment for 1756-EN2T?

Request timestamped photos or video showing the exact 1756-EN2T nameplate, series and revision, serial or date identifiers, packaging, chassis connector and all field or network interfaces. Evidence should match the offered unit.

Q6. Can a similar catalog number or suffix replace 1756-EN2T?

Do not assume interchangeability. A different 1756 catalog number can change point count, contact type, port count, link speed, connection capacity, motion capacity or compatibility. Approve a substitute only after engineering review.

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