NEN - NPR-IEC/TR 61511-4
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
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 February 2020 |
| Status: | active |
| Page Count: | 48 |
| ICS Code (Industrial automation systems in general): | 25.040.01 |
| ICS Code (Safety of machinery): | 13.110 |
scope:
• 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.
Document History
NPR-IEC/TR 61511-4
February 1, 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
• 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...