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1756-L81EXT

1756-L81EXT Allen-Bradley XT Controller

A kan haja (17 guda), a shirye don aikawa

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-L81EXT

  • Product Type: Controller Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 344g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Allen-Bradley ControlLogix-XT 1756-L81EXT 5580 Controller

The 1756-L81EXT is an extreme temperature ControlLogix-XT 5580 controller from Allen-Bradley. Rockwell Automation designed this rugged controller with conformal coating to protect against dust, moisture, and chemicals. It operates from -25°C to 70°C standalone and is compatible with Flex I/O-XT for harsh environment applications.

Built for Harsh Environments

  • Conformal coating protects against dust, moisture, and chemicals
  • Works in extreme temperatures: -25°C to 70°C (standalone)
  • Flex I/O-XT compatible: -20°C to 70°C
  • Ideal for chemical plants, food processing, mining, and outdoor automation

Core Specifications

  • Brand: Allen-Bradley / Rockwell Automation
  • Series: ControlLogix-XT 5580
  • Model: 1756-L81EXT
  • User Memory: 3MB
  • Weight: 0.344kg
  • Tasks: 32 (supports 1,000 programs each)
  • Communication: USB + 1Gbps Ethernet built-in
  • Power: 5mA (1.2V) to 1.2A (5.1V)
  • Heat Dissipation: 21.2 BTU/hour

Model Variations

  • Base Model: 1756-L81EXT
  • Upgraded Chassis: Use "K" series (e.g., 1756-A10K)
  • Compatible I/O: Flex I/O-XT series

Package Includes

  • 1x Allen-Bradley 1756-L81EXT controller
  • 1x mounting brackets
  • 1x quick-start manual

Support & Warranty

  • 24/7 phone/email support
  • 1-year manufacturer warranty
  • Free firmware updates

Technical Documentation

📥 Download Product Datasheet PDF

FAQ

1. What is the operating temperature range for the 1756-L81EXT?

The 1756-L81EXT operates from -25°C to 70°C standalone and from -20°C to 70°C with Flex I/O-XT.

2. What protection does the conformal coating provide?

The conformal coating protects the controller from dust, moisture, and chemicals, making it ideal for harsh environments.

3. How much user memory does this controller have?

The 1756-L81EXT features 3MB user memory with support for 32 tasks and up to 1,000 programs per task.

🏷️ Tags: Controller Module
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