Share by email

IEC Technical Report 61511-4

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
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.
BASE PUBLICATION
English

Technical committee

TC 65/SC 65A System aspects

Category

Safety
Publication typeTechnical Report
Publication date2020-02-19
Edition1.0
ICS

13.110

25.040.01

Stability date2026
ISBN number9782832278703
Pages39
File size1.23 MB
EditionDatePublicationEditionStatus

Related publications