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ISA ANSI/ISA 61511-3-2018

Functional Safety - Safety Instrumented Systems - Part 3: SIL Determination
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This part provides guidance on the methodologies for determining the required Safety Integrity Level (SIL). It covers techniques such as Layer of Protection Analysis (LOPA) and risk graphs, helping teams quantitatively or qualitatively assess process risks to justify safety investment levels.
SDO ISA: International Society of Automation
Document Number 61511-3
Publication Date May 18, 2018
Language en - English
Page Count 123
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
May 18, 2018 ANSI/ISA 61511-3-2018 Revision