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  • BSI
    PD IEC TR 61511-4:2020 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
    Edition: 2020
    $442.60
    / user per year

Description of PD IEC TR 61511-4:2020 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.

Standard NumberPD IEC TR 61511-4:2020
TitleFunctional safety. Safety instrumented systems for the process industry sector - Explanation and rationale for changes in IEC 61511-1 from Edition 1 to Edition 2
StatusWithdrawn
Publication Date2020-03-18
Withdrawn Date2020-10-05
Identical National Standard OfIEC/TR 61511-1 Ed.1.0
DescriptorsFunctional properties, Verification, Verification testing, Instruments, Computer software, Components, Electronic equipment and components
ICS13.110 Safety of machinery, 25.040.01 Industrial automation systems in general
CommitteeGEL/65/1
ISBN978 0 539 03734 0
PublisherBSI
Pages42

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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