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Time Related
This glossary category covers key time-related concepts used in functional safety, including proof test intervals, mean time to failure, spurious trip rates, and response times. These time values are essential to how SIL calculations and SIF performance are evaluated.
- Lifetime
- Maximum Permitted Repair Time (MPRT)
- Mean Detection Time (MDT)
- Mean Repair Time (MRT)
- Mean Time Between Failure (MTBF)
- Mean Time to Fail Spurious (MTTFsp)
- Mean Time to Failure (MTTF)
- Mean Time to Restore (MTTR)
- Process Safety Time (PST)
- Proof Test Interval (TI)
- Response Time
- Spurious Trip Rate (STR)
- Useful Life