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
Abstract
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.
• 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.
Look inside
Additional information
| Publication type | Technical Report |
|---|---|
| Publication date | 2020-02-19 |
| Edition | 1.0 |
| Available language(s) | English |
| TC/SC | TC 65/SC 65A - System aspectsrss |
| ICS | 13.110 - Safety of machinery
25.040.01 - Industrial automation systems in general |
| Stability date | 2026 |
| Pages | 39 |
| File size | 1294 KB |
The following test report forms are related:
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