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Leuze MLD 300 User Manual

Leuze MLD 300
120 pages
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MLD 300, MLD 500
Multiple light beam safety devices
SAFE IMPLEMENTATION AND OPERATION
Original operating instructions
EN 2016/02 - 607342
We reserve the right to
make technical changes

Table of Contents

Questions and Answers:

Leuze MLD 300 Specifications

General IconGeneral
Connection TypeM12 connector
Protection ClassIP65/IP67
Operating Voltage24 V DC
Housing MaterialAluminum
Resolution30 mm
Protective Field Height300 mm
FunctionsExternal device monitoring (EDM)
CertificationsCE
Outputs2 safety outputs (OSSDs)
Light SourceLED, infrared

Summary

Safety

Intended Use and Foreseeable Misuse

Clarifies the approved applications and potential improper uses of the safety sensor for risk mitigation.

Necessary Competencies

Outlines the required technical qualifications and experience for personnel handling the safety sensor.

Responsibility for Safety

Clarifies the safety responsibilities assigned to both the machine manufacturer and the operator.

Device Description

Functions

Start/Restart Interlock

Details the prevention of automatic restarts and the requirement for manual confirmation to ensure safety.

Muting

Covers the process of temporarily suppressing protective functions to allow object transport.

Applications

Access Guarding

Explains the use of safety sensors for protecting entry points to hazardous areas, ensuring safety.

Mounting

Arrangement of Transmitter and Receiver

Details the precise positioning of transmitter and receiver units for effective protective field coverage.

Calculating the Safety Distance

Explains the formula and necessary parameters for determining required safety distances according to standards.

Calculation of the Safety Distance for Vertical Protective Fields with Reaching Over

Guides the calculation of safety distances considering vertical access or reaching over the protective field.

Minimum Distance to Reflective Surfaces

Advises on maintaining distances from reflective surfaces to prevent unintended beam deflection and false triggers.

Mounting the Safety Sensor

Covers selecting appropriate mounting methods and suitable locations for sensor installation.

Electrical Connection

Pin Assignment Transmitter and Receiver

Details the pin configurations of M12 connectors for transmitter, receiver, and transceiver units.

Selecting the Muting Operating Modes

Describes how to select different muting operating modes via pin configurations and bridges.

Starting Up the Device

Aligning the Safety Sensor

Provides essential prealignment steps and checks to ensure correct sensor positioning.

Aligning with Integrated Laser Alignment Aid

Details the precise alignment process using the built-in laser alignment system for optimal performance.

Start/Restart Button

Explains the operation of the start/restart button for system control and error recovery.

Testing

Before the Initial Start-Up and Following Modifications

Details essential safety and functional tests required before initial startup and after any modifications.

Checklist – Before the Initial Start-Up

Provides a comprehensive checklist for validating installation and safety compliance before initial use.

To Be Performed Periodically by Competent Persons

Specifies periodic testing procedures to be conducted by qualified personnel to maintain safety.

Troubleshooting

What to Do in Case of Failure?

Guides users on how to approach and diagnose faults using display elements and error messages.

Technical Data

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