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Entries tagged with: Sif Verification Calculations

  • by Dr. William Goble, CFSE
  • Wednesday, February 27, 2013
  • Software

The Real PFDavg Variables

I was recently asked how the PFDavg value in an exida FMEDA report was calculated. Those PFDavg values are calculated using the exSILentiaTM program. The person who posed the question was using the equations from Part 6 of IEC 61508 and got a different value. Why?

exSILentia

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