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Leuze MSI-TR1B - User Manual

Leuze MSI-TR1B
36 pages
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MSI-TR1B
MSI-TR2B
Safety Relays
Original operating instructions
EN 2021/04/21 - 50124409
We reserve the right to make technical changes

Questions and Answers

  • G
    Gary WalkerJul 25, 2025
    What to do if Sensor, EDM and start are simultaneously flashing on Leuze MSI-TR1B Relays?
    • J
      Jill GrayJul 25, 2025
      If the Sensor, EDM, and start indicators are simultaneously flashing, this indicates an internal device error. If restarting the device does not resolve the issue, further assistance is needed.
  • N
    Nicholas LeeAug 4, 2025
    Why is the EDM flashing on my Leuze Relays?
    • C
      Cory ChaseAug 4, 2025
      If the EDM is flashing, this indicates a fault in the EDM wiring. To resolve this, check the wiring of the connected contactors.
  • R
    Robin IbarraAug 15, 2025
    How to fix sensor flashing on Leuze Relays?
    • M
      Maria HamiltonAug 15, 2025
      If the sensor is flashing, it typically indicates a fault in the wiring of the protective sensors. Check the wiring of the protective sensors to resolve this issue.

Summary

Safety

Intended use and foreseeable misuse

Details the proper and improper uses of the safety relay to prevent dangers.

Competent persons

Outlines the qualifications and prerequisites for individuals working with the safety relay.

Responsibility for safety

Defines the safety responsibilities of the manufacturer and the operating company.

Functions

Start;restart interlock (RES)

Explains the function and operation of the start/restart interlock feature.

Contactor monitoring (EDM)

Describes the function of monitoring external contactor feedback circuits.

Mounting

Arrangement of the protective device

Details how to position protective devices to ensure adequate safety distance.

Electrical connection

Starting up the device

Testing

Troubleshooting

What to do in case of failure?

Guides users on how to diagnose and handle failures using LED indicators.

Operating indicators of the LEDs

Explains the meaning of LED states, causes, and measures for troubleshooting.

Leuze MSI-TR1B Specifications

General IconGeneral
Number of signaling outputs (NC)1
Category4
PLe
SILCL3
Protection classIP20
Response time20 ms
Switching voltage250 VAC
Mechanical life10, 000, 000 switching cycles
Electrical life100, 000 cycles
Connection typeScrew terminals
Housing materialPlastic

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