SIL assessment
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How is SIL evaluated in the SIS of chemical processes? Are there any relevant materials available for study?
Engage a qualified third-party rating agency to conduct SIL assessment and verification. The reference standards are generally IEC-61508, 61511, GB/T20438.1, 21109.1, etc
It’s putting the cart before the horse; have a professional agency conduct an assessment to determine the SIL level of the SIS (Safety Interlock System). SIL (Safety Integrity Level) is a concept that evaluates the safety function level of relevant equipment based on the process flow.
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