Allen-Bradley 1756-L72S | GuardLogix Logix5572S Safety Processor, SIL 3/PLe

Overview

The Allen-Bradley 1756-L72S is a GuardLogix safety processor designed for high-performance and safety-critical applications. With 4MB standard memory and 2MB safety memory, it provides integrated safety and standard control in a single platform, ensuring compliance with SIL 3, PLe, and Category 4 safety standards.

Equipped with a USB port for programming and data transfer, the 1756-L72S also includes an Energy Storage Module (ESM), eliminating the need for battery maintenance while providing enhanced reliability. This processor integrates seamlessly into GuardLogix safety systems, supporting EtherNet/IP, ControlNet, and DeviceNet communication protocols for efficient industrial automation and machine safety.

Key Features

• Integrated Standard & Safety Control – Provides 4MB standard memory + 2MB safety memory
• Meets SIL 3/PLe/Cat. 4 Requirements – Ensures compliance with functional safety standards
• Built-in 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-L72S
• Series: GuardLogix Logix5572S
• Standard Memory: 4MB
• Safety Memory: 2MB
• 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

• Machine Safety & Functional Safety Systems – Ensures compliance with SIL 3/PLe safety requirements
• Automated Manufacturing & Robotics – Provides safe and efficient motion control
• Industrial Process Control – Supports safety-critical process automation
• Packaging & Material Handling Systems – Enables safe and precise operations
• Energy & Power Systems – Enhances safety in high-risk environments

Why Choose the Allen-Bradley 1756-L72S?

• Integrated Safety & Standard Control – Reduces hardware footprint and system complexity
• Certified for SIL 3/PLe Safety Applications – Ensures compliance with global safety standards
• Energy Storage Module (ESM) for Battery-Free Operation – Improves reliability and maintenance-free operation
• USB 2.0 Port for Fast Programming – Enables quick setup and data transfer
• Seamless Integration with GuardLogix Systems – Ensures efficient and secure automation

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