Calculations for verifying a Safety Instrumented Function (SIF) with Safety Integrity Level (SIL) performance requirement are standard in the process industry these days. You will find examples in both the IEC 61508 and IEC 61511 standards and Functional Safety (FS) training courses like those available ...

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Are the terms "Mean Time Between Failures" (MTBF) and "Safety Integrity Level" (SIL) related to each other? Some would think not but read on if you'd like to discover if that's true.MTBFEquipment suppliers have been providing MTBF data for their electrical and electronic equipment for ...

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This blog will help if you have ever tried to do a SIL calculation (Safety Integrity Level) for probability of failure of a safety function. A procedure, often known as SIL verification, is used to demonstrate compliance with functional safety standards IEC 61511 (process industry ...

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