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Homepage>BS Standards>01 GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION>01.040 Vocabularies>01.040.35 Information technology. Office machines (Vocabularies)>BS EN 61511-3:2017 Functional safety. Safety instrumented systems for the process industry sector Guidance for the determination of the required safety integrity levels
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immediate downloadReleased: 2017-05-22
BS EN 61511-3:2017 Functional safety. Safety instrumented systems for the process industry sector Guidance for the determination of the required safety integrity levels

BS EN 61511-3:2017

Functional safety. Safety instrumented systems for the process industry sector Guidance for the determination of the required safety integrity levels

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Standard number:BS EN 61511-3:2017
Pages:106
Released:2017-05-22
ISBN:978 0 580 79125 3
Status:Standard
DESCRIPTION

BS EN 61511-3:2017


This standard BS EN 61511-3:2017 Functional safety. Safety instrumented systems for the process industry sector is classified in these ICS categories:
  • 25.040.01 Industrial automation systems in general
  • 25.040.40 Industrial process measurement and control
  • 35.240.50 IT applications in industry
  • 01.040.35 Information technology. Office machines (Vocabularies)
  • 13.110 Safety of machinery
IEC 61511-3:2016 is available as IEC 61511-3:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61511-3:2016 applies when functional safety is achieved using one or more SIF for the protection of either personnel, the general public, or the environment; may be applied in non-safety applications such as asset protection; illustrates typical hazard and risk assessment methods that may be carried out to define the safety functional requirements and SIL of each SIF; illustrates techniques/measures available for determining the required SIL; provides a framework for establishing SIL but does not specify the SIL required for specific applications; does not give examples of determining the requirements for other methods of risk reduction. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: Additional H&RA example(s) and quantitative analysis consideration annexes are provided.