PD IEC TR 61511-4:2020
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Functional safety. Safety instrumented systems for the process industry sector Explanation and rationale for changes in IEC 61511-1 from Edition 1 to Edition 2
Hardcopy , PDF
05-10-2020
English
18-03-2020
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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