Allen-Bradley 1756-L73S | GuardLogix Logix5573S Safety Processor, SIL 3/PLe

Overview

The Allen-Bradley 1756-L73S is a GuardLogix safety processor, engineered for advanced safety and automation applications. With 8MB standard memory and 4MB safety memory, it provides integrated safety and standard control in a single platform, ensuring compliance with SIL 3, PLe, and Category 4 functional safety standards.

Designed for high-reliability industrial applications, this controller includes a USB port for fast programming and data transfer and an Energy Storage Module (ESM), eliminating the need for battery maintenance while improving system dependability. Supporting EtherNet/IP, ControlNet, and DeviceNet, the 1756-L73S integrates seamlessly into GuardLogix safety systems, providing real-time safety monitoring and machine control.

Key Features

• Integrated Standard & Safety Control – 8MB standard memory + 4MB safety memory
• Certified for SIL 3/PLe/Cat. 4 – Complies with global safety standards
• USB 2.0 Port – Enables fast programming and firmware updates
• Energy Storage Module (ESM) Included – Eliminates battery maintenance
• Supports Multiple Industrial Networks:
  • EtherNet/IP, ControlNet, DeviceNet
• Seamless Integration with GuardLogix Safety Systems

Technical Specifications

• Model: 1756-L73S
• Series: GuardLogix Logix5573S
• Standard Memory: 8MB
• Safety Memory: 4MB
• Communication Ports: 1 x USB 2.0
• Safety Certification: SIL 3 (IEC 61508), PLe (ISO 13849-1), Cat. 4
• Energy Storage Module (ESM): Included (No Battery Required)
• Chassis Compatibility: ControlLogix
• Operating Temperature: 0°C to 60°C (32°F to 140°F)

Applications

• Functional Safety & Machine Guarding – Ensures safe operation in industrial environments
• Manufacturing & Robotics – Provides safe motion control and automation
• Process Control & Industrial Safety – Monitors critical system functions for fail-safe operation
• Material Handling & Logistics – Enables safe and efficient automation
• Energy & Utility Applications – Supports safety-critical infrastructure operations

Why Choose the Allen-Bradley 1756-L73S?

• Integrated Safety & Standard Control – Reduces hardware complexity
• Certified for SIL 3/PLe Safety Applications – Ensures compliance with global safety regulations
• Battery-Free Energy Storage Module (ESM) – Increases reliability and maintenance-free operation
• USB 2.0 for Fast Programming & Updates – Simplifies system setup and data transfer
• Seamless Integration with GuardLogix Systems – Optimizes automation safety and performance

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