1756-L81EXT | ControlLogix-XT 5580 Controller

Allen-Bradley 1756-L81EXT ControlLogix-XT 5580 Controller

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

Core Specifications

Memory: 3MB user memory

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

Industrial Uses

Chemical plants (corrosion resistance)

Food processing (washdown environments)

Mining (dusty conditions)

Outdoor automation (wide temp range)

Problem Solver

Replaces fragile controllers in harsh areas

Reduces downtime in corrosive environments

Simplifies compliance with safety standards

What’s Included

1x 1756-L81EXT controller

Mounting brackets

Quick-start manual

Global Shipping

FedEx Priority (2-3 days)

UPS Ground (3-5 days)

DHL Express (1-3 days)

Support & Warranty

24/7 phone/email support

1-year manufacturer warranty

Free firmware updates