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immediate downloadReleased: 2020-02-19
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
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| Standard number: | IEC TR 61511-4:2020 |
| Released: | 2020-02-19 |
| Edition: | 1 |
| ICS: | 13.110 |
| Pages (English): | 39 |
| ISBN (English): | 9782832278703 |
DESCRIPTION
IEC TR 61511-4:2020
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.