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  • DIN EN 61511-3 : 2005

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    FUNCTIONAL SAFETY - SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRY SECTOR - PART 3: GUIDANCE FOR THE DETERMINATION OF THE REQUIRED SAFETY INTEGRITY LEVELS

    Available format(s): 

    Superseded date:  16-11-2022

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Verband Deutscher Elektrotechniker

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    Table of Contents - (Show below) - (Hide below)

    INTRODUCTION
    1 Scope
    2 Terms, definitions and abbreviations
    3 Risk and safety integrity - general guidance
      3.1 General
      3.2 Necessary risk reduction
      3.3 Role of safety instrumented systems
      3.4 Safety integrity
      3.5 Risk and safety integrity
      3.6 Allocation of safety requirements
      3.7 Safety integrity levels
      3.8 Selection of the method for determining the required
          safety integrity level
    Annex A (informative) As Low As Reasonably Practicable (ALARP)
                          and tolerable risk concepts
    Annex B (informative) Semi-quantitative method
    Annex C (informative) The safety layer matrix method
    Annex D (informative) Determination of the required safety
                          integrity levels - a semiqualitative
                          method: calibrated risk graph
    Annex E (informative) Determination of the required safety
                          integrity levels - a qualitative method:
                          risk graph
    Annex F (informative) Layer of protection analysis (LOPA)

    Abstract - (Show below) - (Hide below)

    Gives information on: - the underlying concepts of risk, the relationship of risk to safety integrity, - the determination of tolerable risk, - a number of different methods that enable the safety integrity levels for the safety instrumented functions to be determined.

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    Development Note Supersedes DIN IEC 61511-3 (05/2005) DRAFT 2013 issued in January 2013. (01/2013)
    Document Type Standard
    Publisher Verband Deutscher Elektrotechniker
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

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