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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.110 Safety of machinery>PD CLC 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
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immediate downloadReleased: 2020-10-05
PD CLC 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

PD CLC 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

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Standard number:PD CLC IEC/TR 61511-4:2020
Pages:46
Released:2020-10-05
ISBN:978 0 539 15597 6
Status:Corrigendum
DESCRIPTION

PD CLC IEC/TR 61511-4:2020


This standard PD CLC IEC/TR 61511-4:2020 Functional safety. Safety instrumented systems for the process industry sector is classified in these ICS categories:
  • 13.110 Safety of machinery
  • 25.040.01 Industrial automation systems in general

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.