Schmersal
AZR31S1 Fail-safe Standstill Monitors

Key Features

  • Sensor-free detection of standstill by measuring the EMF of the motor
  • Motor voltage range: 0 – 690 V
  • No adjustment work necessary
  • Connection to frequency inverters possible
  • Speed frequency: 0 – 1000 Hz
  • 3 enabling outputs; Stop Category 0
  • 1 signalling output (NC)
  • No set point necessary
  • Wire break monitoring of the measuring inputs
  • Self testing with fault memory
  • Cyclic self monitoring
  • 5 LEDs to display operating conditions
  • PLd per EN ISO 13849-1, Control Category 4 to EN954-1

Part Numbers

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