Allen-Bradley 1756-L81ES GuardLogix Safety Controller

Allen-Bradley 1756-L81ES GuardLogix Safety Controller

The Allen-Bradley 1756-L81ES is a GuardLogix safety controller. It combines standard and safety control in one unit for industrial automation systems.

Technical Specifications

• Brand Allen-Bradley
• Model 1756-L81ES
• Weight 0.39 kg
• Total Memory 4.5 MB (3 MB user + 1.5 MB safety)
• I/O Capacity Up to 128,000 points
• Analog I/O Up to 4,000 points
• Ethernet 1 Gbps built-in port
• USB Integrated programming port
• Power Consumption 6.2 Watts
• Operating Temperature 0°C to 60°C
• Safety Rating SIL 2

Key Features

• Integrated Safety Standard and safety control in single controller
• High Memory Capacity 4.5 MB for complex applications
• Large I/O Support Handles up to 128,000 I/O points
• Gigabit Ethernet 1 Gbps for high-speed communication
• Compact Design Lightweight at 0.39 kg
• Low Power Use Only 6.2 Watts consumption
• SIL 2 Certified For safety-critical applications

Installation

• Install in ControlLogix chassis
• Connect 1 Gbps Ethernet for network communication
• Use USB port for programming and configuration
• Ensure operating environment is 0°C to 60°C
• Follow safety guidelines for SIL 2 systems

Packaging & Shipping

• One 1756-L81ES Safety Controller
• USB cable and quick start guide
• Mounting hardware
• Shipping weight: 0.8 kg
• Shipped via FedEx, UPS, DHL

Documentation

For complete technical specifications, download the official product guide.

Download 1756-L81ES Product Specifications PDF

Frequently Asked Questions

What is the memory capacity?

Total 4.5 MB memory (3 MB user memory + 1.5 MB safety memory).

What is the weight of the controller?

Weight is 0.39 kg.

What safety standard does it meet?

It is certified for SIL 2 (Safety Integrity Level 2) applications.