Allen-Bradley 1756-L73S

Allen-Bradley 1756-L73S | GuardLogix ControlLogix Safety Controller

Overview

The Allen-Bradley 1756-L73S is a GuardLogix SIL2/PLe-certified safety controller with standard ControlLogix processing capability. It combines safety and standard control in a single platform, providing cost-effective, integrated safety control solutions in industrial automation systems.

Key Features

• Controller Type: GuardLogix safety and standard controller

• Safety Rating: SIL2 (IEC 61508), PLe (ISO 13849-1)

• Standard Memory: 8MB for user programs and data

• Safety Memory: 1MB dedicated to safety functions

• Communication Ports: 1 USB port for programming and configuration

• I/O Capacity: Supports both standard and safety-rated I/O modules

• Redundancy: Supports ControlLogix redundancy systems

• Diagnostics: Extensive runtime and safety diagnostics

• Mounting: Installs in a standard ControlLogix chassis

Technical Specifications

• Catalog Number: 1756-L73S

• Battery: 1756-BA2 (replaceable)

• Energy Storage: Nonvolatile memory with CompactFlash card optional

• Backplane Current Load: 1200 mA at 5.1V DC; 14 mA at 24V DC

• Communication Support: EtherNet/IP, ControlNet, DeviceNet, and other network adapters

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Storage Temperature: -40°C to 85°C (-40°F to 185°F)

• Relative Humidity: 5% to 95% non-condensing

• Shock Resistance: 30g operational

• Vibration Resistance: 2g from 10–500 Hz

• Certifications: UL, cUL, CE, TUV, ATEX (Zone 2)

Applications

• Machine safety systems

• Process safety control

• High-integrity safety monitoring

• Integrated standard and safety control architectures

• Oil and gas, pharmaceutical, automotive industries

Why Choose the 1756-L73S?

• Integrated Safety and Standard Control: One controller for all needs

• Certified for Critical Applications: SIL2/PLe rating ensures compliance

• Flexible Communication: Easily integrates into complex networked systems

• High Performance: 8MB memory for large and demanding applications

• Expandable and Scalable: Supports a wide range of I/O modules

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