• Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module
  • Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module
  • Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module
  • Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module
Technical Profile Report – 1756-L73XT Controller Module 1. Product Overview The 1756-L73XT is a high-performance ControlLogix XT series programmable automation controller (PAC) designed for industrial ……
Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module
  • Allen Bradley
  • 1756-L73XT
  • ControlLogix ControlNet Communication Module
  • USA
  • 127 × 178 × 102 mm
  • 2kg
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
  • 24-Hour Service
  • COO
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Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module

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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module

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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module

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Allen Bradley 1756-L73XT ControlLogix ControlNet Communication Module

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Technical Profile Report – 1756-L73XT Controller Module


1. Product Overview

The 1756-L73XT is a high-performance ControlLogix XT series programmable automation controller (PAC) designed for industrial environments that require extended temperature tolerance, strong processing capability, and modular system integration.

It belongs to the ControlLogix 5570 platform, specifically the XT (Extreme Temperature) variant, which is engineered for harsh industrial conditions such as offshore platforms, chemical plants, mining operations, and outdoor installations.

This controller is designed for systems requiring:

  • High processing capacity
  • Harsh environment resistance
  • Large-scale distributed control
  • Stable long-term industrial operation

2. Product Introduction

The 1756-L73XT functions as the main CPU module in a ControlLogix chassis system. It executes control logic, manages I/O updates, and coordinates communication across industrial networks.

Key characteristics include:

  • 8 MB user memory
  • 0.98 MB I/O memory
  • Extended temperature rating design
  • Conformal coating for corrosion resistance
  • USB programming interface
  • Modular chassis-based architecture

It is optimized for reliability in extreme environments while maintaining standard ControlLogix performance.


3. Technical Parameters

Core Specifications Table

Parameter Value
Controller Type Programmable Automation Controller (PAC)
Platform Series ControlLogix 5570 XT
Processor Family Logix 5573
User Memory 8 MB
I/O Memory 0.98 MB
Maximum Digital I/O 128,000 points
Maximum Analog I/O 4,000 channels
Controller Connections Up to 500
Task Capacity 32 tasks
Programs per Task 100 programs
Programming Interface USB 2.0
Communication Networks EtherNet/IP, ControlNet, DeviceNet
Motion Axis Support Up to 100 axes (system dependent)
Power Consumption ~2.5 W
Backplane Current (5.1V DC) 800 mA
Backplane Current (1.2V DC) 5 mA
Thermal Dissipation 8.5 BTU/hr
Isolation Voltage 30 V continuous
Operating Temperature -25°C to 70°C (XT extended range)
Storage Temperature -40°C to 85°C
Humidity Range 5% – 95% non-condensing
Protection Type Conformal coating (XT series)
Scan Type Deterministic real-time execution
Dimensions (H×L×W) ≈ 127 × 178 × 102 mm
Weight ≈ 0.25 kg – 2.0 kg (varies by configuration)

4. Product Application Areas

The 1756-L73XT is designed for harsh industrial environments where standard controllers may fail due to temperature, humidity, or corrosion.

Industrial Applications

  • Offshore oil and gas platforms
  • Chemical processing plants
  • Mining and mineral processing systems
  • Outdoor manufacturing facilities
  • Marine and shipboard automation systems
  • Heavy-duty infrastructure automation

Process Control Applications

  • Continuous chemical production systems
  • High-temperature furnace control
  • Pumping and compression systems
  • Distributed energy control systems
  • Remote industrial monitoring systems

5. Product Advantages

1. Extended Temperature Design

Operates reliably in extreme conditions ranging from sub-zero environments to high-temperature industrial zones.

2. Environmental Protection (XT Coating)

Conformal coating protects against humidity, dust, and corrosive gases.

3. High System Reliability

Designed for continuous 24/7 operation in mission-critical systems.

4. Strong Processing Capability

Provides stable execution for complex automation logic and high I/O loads.

5. Modular Expansion

Supports ControlLogix chassis architecture for flexible system scaling.

6. Multi-Network Compatibility

Works with EtherNet/IP, ControlNet, and DeviceNet systems.

7. Industrial Durability

Built for harsh, unstable, and corrosive environments.


6. Brand Positioning

The product belongs to a globally recognized industrial automation ecosystem known for:

  • Programmable automation controllers
  • Industrial communication systems
  • Motion control technologies
  • Large-scale distributed automation platforms

It is widely used in energy, offshore, chemical, and heavy industries.


7. Product Series

Series Name: ControlLogix 5570 XT Series

The 1756-L73XT is part of the XT (Extreme Temperature) version of the ControlLogix 5570 family.

Series Features

  • Extended environmental resistance design
  • Rack-based modular architecture
  • Hot-swappable modules
  • Distributed control capability
  • High reliability in extreme conditions

8. Recommended Models – Same Series or Related

A. Same Series / Closely Related Models

Model Description Key Parameters
1756-L71XT Entry XT controller 2 MB memory, extended temp
1756-L72XT Mid XT controller 4 MB memory, balanced performance
1756-L73XT High XT controller 8 MB memory, harsh environment
1756-L73 Standard version 8 MB memory, normal environment
1756-L74XT Higher-end XT CPU Expanded memory, extreme duty

B. Same Brand – Popular Models

Model Type Key Parameters
1756-L73XT XT ControlLogix CPU 8 MB memory, extended temp
1756-L72 Standard CPU 4 MB memory, normal environment
1756-L71 Mid CPU 2 MB memory, stable control
1756-L81E Ethernet controller Multi-core CPU, integrated Ethernet
1756-L85E Advanced controller High-speed processing, large memory

9. Summary

The 1756-L73XT controller is a ruggedized high-performance industrial automation CPU designed for extreme environmental conditions. With its 8 MB memory, conformal coating, and extended temperature range design, it provides reliable operation in demanding industries such as offshore, chemical, and mining environments.

It is a robust solution for applications where environmental resistance is as critical as control performance.



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