Active standard | Published: 19/02/2020

IEC/TR 61511-4-ed.1.0

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

Available languages: English

Available design: electronic design (pdf), Print design, CD-ROM

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Detail information

Designation: IEC/TR 61511-4-ed.1.0

Publication date: 19/02/2020

Pages: 39

Country: International technical standard

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Anotation

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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