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N05007 in siemens S120 Drive

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Cause : Overtemperature thermal model (chassis PU) comes when the temperature difference between the chip and heat sink has exceeded the permissible limit value (r0293) (chassis power units only).

  • Depending on p0290, an appropriate overload response is initiated.
  • See also: r0037, r0293 (Power unit alarm threshold model temperature).
  • The alarm disappears automatically once the limit value is undershot.
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