PRODUCT DESCRIPTION
ALLEN BRADLEY 442L-AMBSFZNMZ1 - GuardShield Safety Light Curtain
The ALLEN BRADLEY 442L-AMBSFZNMZ1 is a Type 4 safety light curtain designed for personnel protection in hazardous industrial environments. This device provides optical presence sensing for point-of-operation, perimeter, and area guarding applications, integrating directly into machine safety circuits to achieve high levels of functional safety. It utilizes an emitter and receiver pair to create a protective light screen, ensuring machine shutdown upon interruption.
Technical Specifications:
- SERIES/FAMILY: GuardShield Safety Light Curtain
- COMPONENT TYPE: Type 4 Safety Light Curtain, Emitter/Receiver Pair
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 24V DC
- CURRENT CONSUMPTION: Typically 100-500mA per unit (emitter/receiver)
- OUTPUTS: Two (2) OSSD (Output Signal Switching Device) safety outputs, PNP or NPN configurable
- MECHANICAL/PHYSICAL:
- RESOLUTION: 14mm (Finger Protection)
- SENSING HEIGHT: 600mm (deduced from code)
- OPERATING RANGE: 0.2m to 12m (typical for series)
- FORM FACTOR: Slim profile, robust aluminum housing with end-cap mounting
- INTERFACE/CONTROL:
- INPUTS: External Device Monitoring (EDM), Muting Inputs (4-wire muting)
- COMMUNICATION: Hardwired safety I/O
- INDICATORS: Multi-segment LEDs for alignment, status, muting, and fault diagnostics
- FEATURES: Integrated muting functionality, fixed blanking, floating blanking
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP65 (Dust-tight and protected against low-pressure water jets)
- COOLING METHOD: Convection cooled
- MOUNTING STYLE: End-cap or swivel bracket mounting options
- COMPATIBILITY/APPLICATION:
- MACHINE GUARDING: Point of operation, perimeter, and area guarding on presses, robots, assembly lines, and packaging machinery
- SAFETY RATING: Performance Level e (PLe) per ISO 13849-1, Safety Integrity Level 3 (SIL 3) per IEC 61508