Allen-Bradley 442L-SFZNMZ SafeZone Single and Multi-Zone Safety Laser Scanner

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Allen-Bradley 442L-SFZNMZ SafeZone Single and Multi-Zone Safety Laser Scanner 

Core Functionality

The Allen-Bradley 442L-SFZNMZ is a multi-zone safety laser scanner from the SafeZone series, designed for industrial safety applications. It provides configurable warning and safety zones, enabling hazard detection in automated systems, AGVs (Automated Guided Vehicles), and robotic cells. Its compact design and advanced optics make it ideal for dusty or high-ambient-light environments .

Key Technical Specifications

Key Features & Benefits

1. Multi-Zone Configuration

   • Supports one safety zone + two warning zones, allowing gradual machine slowdown before a full safety stop (critical for AGVs) .

   • SCD (Safety Configuration & Diagnostics) software simplifies setup via a Windows-based interface .

2. Robust Industrial Design

   • Particle/dust tolerance via optical algorithms, ensuring reliability in harsh environments .

   • Horizontal/vertical mounting flexibility for diverse installations .

3. Integrated Safety Functions

   • Safe Torque Off (STO) via OSSD outputs for immediate machine halting.

   • Restart interlock delay (2–60 sec) to prevent unintended reactivation .

4. Diagnostics & Maintenance

   • 7-segment display for real-time status/fault codes .

   • Hot-swappable in compatible systems (reduces downtime) .

5. Seamless Integration

   • Compatible with Allen-Bradley GuardLogix and third-party safety PLCs .

   • EtherNet/IP models (e.g., SafeZone 3) enable CIP Safety communication for smart factories .

Typical Applications

• AGVs: Warn/slow vehicles before collision (reduces brake wear) .

• Robotics: Perimeter guarding for collaborative robot cells .

• Packaging Machinery: Detects personnel near high-speed conveyors 

The structure and details of the product：

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