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Safety Watchdog Time Zero (V2 CPU)

ABB · PB610 Panel Builder 600 Programming Software

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The safety watchdog time value (F_WD_Time) is 0 ms in an AC500 V2 non-safety CPU PM5xx system. This indicates an invalid or unconfigured watchdog timer, critical for maintaining safe PROFIsafe communication.

Vanlige årsaker

  • Safety watchdog timer in the V2 CPU has expired.
  • Application program is not executing within the expected time frame.
  • Program logic is too slow or has a deadlock.
  • Incorrect F_WD_Time parameter value.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Check the safety PLC configuration for the "F_WD_Time" parameter.

Se alle koder i denne manualen (58)
Verifisert teknisk data. Sist oppdatert: March 2026

Relaterte feilkoder

1Safety Destination Address Not Valid (V2 CPU)10Parameter F_SIL Exceeds Specific Application SIL (V2 CPU)12Test pulse error
Kilde: ABB PB610 Panel Builder 600 Programming Software
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