Allen Bradley 1756-EN2T Module

The AB 1756-EN2T is a high-speed Ethernet/IP communication module for ControlLogix systems, designed to deliver reliable and scalable networking for demanding industrial applications. Supporting up to 128 TCP/IP connections and operating at 10/100 Mbps, the EN2T module enables fast data exchange between controllers, I/O modules, HMIs, and SCADA systems.

Equipped with built-in redundancy support, the 1756-EN2T provides robust communications for mission-critical applications where network reliability is essential. This module is ideal for both standard and high-availability Logix architectures.

Technical Specifications

Model: 1756EN2T
Series: ControlLogix
Type: Ethernet/IP Communication Module
Communication Rate: 10/100 Mbps
Media Type: Copper (RJ45 port)
Max TCP/IP Connections: 128
Mounting: Chassis slot – any position except power supply slot
Redundancy Support: Yes (with ControlLogix redundancy systems)
Form Factor: Standard ControlLogix I/O module

Electrical Specifications

Backplane Current Draw:
• 5.1V DC @ 1.2 A
• 24V DC @ 3 mA
Power Dissipation: Approx. 6.1 W
Heat Dissipation: Approx. 20.8 BTU/hr
Isolation Voltage: 30V (continuous), basic insulation
Protection Type: Overvoltage and transient protection on network interface

Network & Interface Specifications

Integrated Interfaces:

• EtherNet/IP Port: 1 x RJ45 copper port (10/100 Mbps)
• USB Port: 1 x USB (for firmware update and diagnostics)

Supported Protocols:
EtherNet/IP
CIP messaging
(Does not support Modbus, DeviceNet, TCP/IP stack, or PROFIBUS directly)

Maximum CIP Connections: 256 total, with 128 TCP/IP
Network Topologies: Linear, star, or DLR (when paired with supporting devices)

Diagnostics & Management:
• Module-level status LEDs
• Web server for diagnostics and firmware updates
• Integrated port monitoring

Mechanical Specifications

Width: 35 mm
Height: 145 mm
Depth: 140 mm
Mounting Orientation: Vertical inside ControlLogix chassis
Enclosure Type: Open-type, install in protective cabinet
Weight: Approx. 0.3 kg

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Shock Rating: 30 g operating, 50 g non-operating
Vibration Resistance: 2 g @ 10–500 Hz
Pollution Degree: 2
Certifications: Suitable for Class I Div 2 environments

Compliance & Certifications

Certifications: UL, c-UL, CE, RoHS
Explosion Safety (Gas/Dust): None
SIL/PL Rating: Not rated
EMC Compliance: EN 61000-6-2 / 6-4
Standards Met: EN 61131-2
Functional Safety: Not applicable

Key Features & Benefits

✅ 128 TCP/IP Connections – Supports high-volume communication with multiple devices and systems

✅ Redundancy-Capable – Designed for high-availability systems using ControlLogix redundancy

✅ Web-Based Diagnostics – Access real-time status and firmware management via integrated web server

✅ USB and RJ45 Ports – For simple configuration, diagnostics, and field updates

✅ Compact 35 mm Width – Saves space in ControlLogix chassis while delivering full communication power

📦 Order the Allen Bradley 1756-EN2T from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-EN2T prices. This high-capacity Ethernet module is the backbone of reliable, scalable ControlLogix network architectures—available to order with fast delivery and expert support.

Click here to request a quote or check availability

Drive Outlet Megastore – your trusted source for Allen Bradley ControlLogix communication modules and industrial networking solutions.