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Allen-Bradley SensaGuard 440N-Z21S16A User Manual

Allen-Bradley SensaGuard 440N-Z21S16A
12 pages
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SensaGuard
TM
18 mm Plastic Barrel
Installation Instructions
Certifications
IMPORTANT:
SAVE THESE INSTRUCTIONS FOR FUTURE USE
Note: Refer to Technical Specifications for Certification information and ratings.
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Allen-Bradley SensaGuard 440N-Z21S16A Specifications

General IconGeneral
Product TypeSafety Interlock Switch
Model Number440N-Z21S16A
CategorySwitch
Housing MaterialPlastic
IP RatingIP67
Voltage24V DC
Connection TypeCable with Connector
Operating Temperature Range-25°C to 70°C
Voltage Rating24V DC
Enclosure RatingIP67
Operating Temperature-25°C to 70°C
Actuator MaterialStainless Steel
TypeSafety Switch
Mechanical Life1, 000, 000 operations
Electrical Life100, 000 cycles

Summary

Installation and Safety Instructions

Installation Procedures

Guidance on installing the SensaGuard unit correctly according to specified steps and personnel.

Critical Safety Warnings

Highlights essential warnings and attention notes regarding device tampering, bypassing, and power supply requirements.

Technical Specifications

Safety Ratings and Certifications

Details safety ratings, certifications, and relevant industry standards for the device.

Operating Characteristics

Provides data on sensing distance, misalignment, output current, voltage, and response times.

Environmental Conditions

Outlines operating temperature, humidity, washdown rating, and shock/vibration resistance.

Device Features and Mounting

Protection and Electrical Life

Lists built-in protection features and the expected electrical life of the device.

Physical Dimensions

Illustrates the physical dimensions of the 18 mm and 30 mm actuators and the sensor.

Mode of Operation and Mounting

Explains status indicators, mounting procedures, and torque specifications for installation.

Configuration and Diagnostics

Sensor Spacing and Alignment Guidelines

Specifies minimum spacing and misalignment tolerances for optimal sensor performance.

Wiring Diagram and Diagnostics

Details the pinout for wiring and provides diagnostic information based on LED indicators.

Troubleshooting and Response Times

Troubleshooting Procedures

Offers guidance for diagnosing and resolving common issues with the SensaGuard system.

Series Circuit Specifics

Details troubleshooting steps for systems configured with multiple sensors in series.

Unit Response Time Analysis

Illustrates the timing of sensor outputs and response times under various operating conditions.

Application Wiring Examples

Wiring Examples with MSR Relays

Provides diagrams for connecting SensaGuard units with MSR127TP and MSR127RP safety relays.

Wiring Examples with MSR200 Series

Illustrates wiring configurations using MSR200 series safety contactors and light curtains.

Support and Compliance

Recommended Relay Compatibility

Lists compatible Allen-Bradley MSR series relays and safety I/O for use with SensaGuard.

Maintenance and Repair Guidelines

Outlines weekly checks, inspection procedures, and replacement policy for the device.

Declaration of Conformity

States compliance with European Machinery Directive and relevant safety standards.

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