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Can I cable a 3-wire PNP type detector in the interrupt loop of the time delay Y39-Y40 of the XPSAV?

The principle of monitoring the input loops of the Preventa XPSAVxx module with a pulsed voltage makes it impossible to insert PNP or NPN sensors in these loops.

The loops concerned are:
  • Y39-Y40: time delay interrupt loop
  • S21-S22: channel 1
  • S31-S32: channel 2
  • S13-S14: start-up
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