Standstill monitoring

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The safe monitoring of standstill or low speed is performed by evaluating the pulses from incremental transmitters or proximity switches. It is used, e.g., to release guard interlocks or to monitor during setup mode.

MSI-SR-SM42OS

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Monitoring of standstill and low speed

For monitoring of standstill and low speed, up to SIL 3 / SILCL 3 and cat. 4 / PL e, inputs for proximity switches and HTL-A/B incremental transmitters, adjustable speed limit/monitoring frequency of 0.1 to 99 Hz, automatic or manual reset, 2 release contacts (semiconductor), 2 signal contacts (semiconductor).

  • Safe monitoring of dynamic input signals
  • Adjustable monitoring frequency from 0.1 to 99 Hz for monitoring low speeds in setup mode
  • Pluggable screw or spring-cage terminals for simple installation and simple device exchange

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