Answer / Meenal Joshi

SIL, or Safety Integrity Level, is a measure used in safety instrumented systems to describe the ability of a safety instrumented function (SIF) to perform its intended protective function under specified conditions for a given time frame. SIL quantifies the reliability and safety of a system, with higher levels indicating greater reliability. IEC 61508 is an international standard used for specifying requirements for all aspects of safety instrumented systems.

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