IEC-61511-4 › 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

IEC-61511-4 - EDITION 1.0 - CURRENT


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IEC TR 61511-4:2020(E), Functional safety - safety instrumented systems for the process industry sector, 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 them,
. 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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Document Number

IEC/TR 61511-4 Ed. 1.0 en:2020

Revision Level

EDITION 1.0

Status

Current

Publication Date

Feb. 1, 2020

Committee Number

65A