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hardware fault tolerance (SIL) (HFT)

Hardware Fault Tolerance(HFT), together with Safe Failure Fraction(SFF), determines the Safety Integrity Levels( SIL) of systems.

The Hardware Fault Tolerance indicates the number that a system can withstand without failing. The higher the HFT value, the higher the availability. Fail-safe and fault-tolerant systems accordingly have the highest of the three HFT values, 0, 1 and 2.

Englisch: hardware fault tolerance (SIL) - HFT
Updated at: 23.02.2009
#Words: 55
Links: safe failure fraction (SIL) (SFF), speech interference level (SIL), system, availability,
Translations: DE

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