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DS/CLC IEC/TR 61511-4:2020
Functional safety - Safety instrumented systems for the process industry sector - Part 4: Explanation and rationale for changes in IEC 61511-1 from Edition 1 to Edition 2
This part of IEC 61511, which is a Technical Report, *• specifies the rationale behind all clauses and the relationship between them,*• raises awareness for the most common misconceptions and misinterpretations of the clauses and the changes related to hem,*• explains the differences between Ed. 1 and Ed. 2 of IEC 61511-1 and the reasons behind the changes,*• presents high level summaries of how to fulfil the requirements of the clauses, and*• explains differences in terminology between IEC 61508-4:2010 and IEC 61511-1 Ed. 2.
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Danish Standards [ds]
Danish Standards [ds]