OVE IEC TR 61511-4:2021 07 01
Current
The latest, up-to-date edition.
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
Hardcopy
English, German
01-07-2021
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 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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