ABB | 1SVR430896R0000 | CM-WDS
Electronic measuring and monitoring relay CM-WDS, cycle monitor with watchdog function

MFR PART #  1SVR430896R0000  | CM-WDS
PART #  517758
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The CM-WDS relay is from the CM cycle monitor range. This cycle monitoring relay with watchdog function operates with a rated control supply voltage of 24 V DC, has a 1 c/o (SPDT) output contact rated at 250 V / 4 A and works according to the closed-circuit principle. The CM-WDS observes if a regularly intermittent pulse is applied to the input. It has 4 selectable cycle monitoring time ranges from 0.5 to 1000 ms. A sealable transparent cover for protection against unauthorized changes is available as accessory.


The CM-WDS is designed for the external monitoring of the correct function of programmable logic controllers (plc) and industrial pcs (ipc).


  • Cycle monitor for monitoring the function of programmable logic controllers or industrial pcs
  • 4 selectable cycle monitoring time ranges from 0.5 to 1000 ms
  • 24 V DC supply
  • 1 c/o contact
  • 2 LEDs for status indication


Rating IP20
UNSPSC Code 39122300

Spec Sheet

Spec Sheet

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