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1756-L81EXT

1756-L81EXT Allen-Bradley XT Controller

In stock (17 units), ready to be shipped

  • 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

30-Day Return Policy · 12-Month Warranty
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  • 24/7 Support
  • Quality Assurance

Description

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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  • Confirm the exact model, part number, and specifications before ordering.
  • Ensure compatibility with your current machinery or control systems.
  • Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
  • Review delivery options, lead times, and shipping requirements.
  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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