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A-B 1756-EN2T ControlLogix EtherNet/IP Communication Module

Product Overview

The Allen-Bradley 1756-EN2T is a ControlLogix EtherNet/IP communication module designed to connect ControlLogix controllers and industrial devices over an Ethernet network. It supports data exchange, controller communication, and integration with EtherNet/IP-compatible automation equipment.

Key Technical Specifications

Parameter	Specification
Brand	Allen-Bradley (A-B)
Model	1756-EN2T
Product Type	EtherNet/IP Communication Module
Product Family	ControlLogix
Communication Protocol	EtherNet/IP, TCP/IP
Ethernet Port	1 × RJ45 copper port
Communication Speed	10/100 Mbps
Maximum TCP Connections	128
Maximum CIP Connections	256
Backplane Current Draw	1 A at 5.1 V DC
Power Dissipation	5.1 W
Mounting	ControlLogix chassis, any slot
Enclosure	Open-style
Lifecycle Status	Active

Features & Advantages

EtherNet/IP connectivity: Connects ControlLogix systems to industrial Ethernet networks.
Reliable data exchange: Supports communication between controllers, I/O devices, and compatible network equipment.
High connection capacity: Supports up to 128 TCP connections and 256 CIP connections.
Compact chassis installation: Occupies one slot in a compatible ControlLogix chassis.
Industrial integration: Suitable for distributed automation and control applications.

Typical Applications

PLC-to-PLC communication
Industrial Ethernet network integration
ControlLogix automation systems
Factory automation and production lines
Communication with compatible EtherNet/IP devices

Important Notes

This model has one RJ45 Ethernet port. Do not confuse it with the 1756-EN2TR, which has two Ethernet ports.
Confirm the module series, firmware requirements, and compatibility with your existing ControlLogix system before ordering.
Verify the actual product label and condition before purchase.