hard20 pts · first answer countsfirmwarefunctional-safety

Reacting within the FTTI

The fault tolerant time interval for a hazard is 100 ms. A diagnostic runs every 20 ms and needs 3 failed checks in a row to confirm a fault. Moving to the safe state takes 30 ms. Does the design fit?

A.Yes, worst case is about 90 ms, under 100 msB.No, worst case is about 150 ms, over 100 msC.Yes, worst case is about 50 ms, well underD.No, the FTTI only counts detection time

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Reacting within the FTTI

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