EUCHNER – More than safety.
EUCHNER – More than safety.

Filter module AC-FM-AR

  • Suitable for the connection of switchgear with OSSD outputs
  • The filter module smoothens the test pulses.
Filter module AC-FM-AR

Filter module AC-FM-AR

Switchgear with OSSD outputs generate test pulses at the safety outputs for short circuit monitoring. Downstream safe control systems must tolerate these test pulses when the safety outputs are monitored. Most commercially available safety control systems tolerate the test pulses or permit variable adjustment of a time window via software configuration to hide the input pulses. The new filter module AC-FM-AR was developed for applications in which a control system does not tolerate the duration of the test pulses. In this case, the test pulses are interpreted as switching signals. The filter module, which is suitable for rail mounting, is connected between the safety outputs of an AR/BR switch chain or individual AP/BP devices and the safety inputs of the control system. The test pulses of the safety inputs are filtered out to such an extent that the downstream control system can no longer detect them.

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EUCHNER USA Inc.
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