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
Circulation Date:
2020-02
Edition:
1.0
Language: EN - english
Seitenzahl: 39 VDE Artno.: 248426
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.