• SN EN 50129 : 2003

    Current The latest, up-to-date edition.

    RAILWAY APPLICATIONS - COMMUNICATION, SIGNALLING AND PROCESSING SYSTEMS - SAFETY RELATED ELECTRONIC SYSTEMS FOR SIGNALLING

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    Language(s): 

    Published date:  12-01-2013

    Publisher:  Swiss Standards

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

    Foreword
    1 Scope
    2 Normative references
    3 Definitions and abbreviations
      3.1 Definitions
      3.2 Abbreviations
    4 Overall framework of this standard
    5 Conditions for safety acceptance and approval
      5.1 The Safety Case
      5.2 Evidence of quality management
      5.3 Evidence of safety management
      5.4 Evidence of functional and technical safety
      5.5 Safety acceptance and approval
    Annex A (normative) Safety Integrity Levels
          A.1 Introduction
          A.2 Safety requirements
          A.3 Safety integrity
          A.4 Allocation of safety integrity requirements
          A.5 Safety Integrity Levels
    Annex B (normative) Detailed technical requirements
          B.1 Introduction
          B.2 Assurance of correct functional operation
          B.3 Effects of faults
          B.4 Operation with external influences
          B.5 Safety-related application conditions
          B.6 Safety Qualification Tests
    Annex C (normative) Identification of hardware component failure
            modes
          C.1 Introduction
          C.2 General procedure
          C.3 Procedure for integrated circuits (including
              microprocessors)
          C.4 Procedure for components with inherent physical
              properties
          C.5 General notes concerning component failure modes
          C.6 Additional general notes, concerning components with
              inherent physical properties
          C.7 Specific notes concerning components with inherent
              physical properties
    Annex D (informative) Supplementary technical information
          D.1 Introduction
          D.2 Achievement of physical internal independence
          D.3 Achievement of physical external independence
          D.4 Example of a method for single-fault analysis
          D.5 Example of a method for multiple-fault analysis
    Annex E (informative) Techniques and measures for
            safety-related electronic systems for signaling for
            the avoidance of systematic faults and the control of
            random and systematic faults
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes safety-related electronic systems (including sub-systems and equipment) for railway signalling applications.

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    Document Type Standard
    Publisher Swiss Standards
    Status Current
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