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  • PREN 50402 : DRAFT 2013

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE OR TOXIC GASES OR VAPOURS OR OF OXYGEN - REQUIREMENTS ON THE FUNCTIONAL SAFETY OF FIXED GAS DETECTION SYSTEMS

    Available format(s): 

    Superseded date:  01-03-2017

    Language(s): 

    Published date:  19-06-2013

    Publisher:  European Committee for Standards - Electrical

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General requirements
    5 Functional modules and elements - Characterisation
       and requirements
    6 Software
    7 Combining Functional Modules to Safety Functions
    8 Determination of Hardware Failure Rates for each
       Safety Function
    9 Gas detection as Part of an overall Safety Function
    10 Information requirements
    11 Validation
    12 Functional safety management
    13 Functional safety assessment
    14 Documentation
    Annex A (normative) - Transformation of the SIL-capabilities
            of gas detection systems
    Annex B (normative) - Transformation from generic standard
            requirements to modules
    Annex C (normative) - Determination of SIL-capability of
            a safety function of the gas detection system
    Annex D (informative) - Failure Modes for Specific
            Measuring Principles
    Bibliography

    Abstract - (Show below) - (Hide below)

    Pertains to fixed gas detection systems for the detection and measurement of flammable or toxic gases or vapours or oxygen.

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee TC 31 & TC 216
    Document Type Draft
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3
    EN ISO 10418:2003/AC:2009 PETROLEUM AND NATURAL GAS INDUSTRIES - OFFSHORE PRODUCTION INSTALLATIONS - ANALYSIS, DESIGN, INSTALLATION AND TESTING OF BASIC SURFACE PROCESS SAFETY SYSTEMS
    EN 50270:2015 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
    EN 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements
    EN 50104:2010 Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods
    EN 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements
    EN 60079-29-4:2010 Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases
    EN 45544-3 : 2015 WORKPLACE ATMOSPHERES - ELECTRICAL APPARATUS USED FOR THE DIRECT DETECTION AND DIRECT CONCENTRATION MEASUREMENT OF TOXIC GASES AND VAPOURS - PART 3: PERFORMANCE REQUIREMENTS FOR APPARATUS USED FOR GENERAL GAS DETECTION
    EN 60079-29-1:2016 Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases
    EN 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures
    IEC 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels (see Functional Safety and IEC 61508)
    IEC 61508-4:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations (see Functional Safety and IEC 61508)
    IEC 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508)
    IEC 60079-29-4:2009 Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases
    ISO 10418:2003 Petroleum and natural gas industries Offshore production installations Analysis, design, installation and testing of basic surface process safety systems
    EN 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems
    EN ISO 13702:1999 Petroleum and natural gas industries - Control and migration of fires and explosions on offshore production installations - Requirements and guidelines (ISO 13702:1999)
    EN 45544-4 : 2016 WORKPLACE ATMOSPHERES - ELECTRICAL APPARATUS USED FOR THE DIRECT DETECTION AND DIRECT CONCENTRATION MEASUREMENT OF TOXIC GASES AND VAPOURS - PART 4 - GUIDE FOR SELECTION, INSTALLATION, USE AND MAINTENANCE
    IEC 60079-29-2:2015 RLV Explosive atmospheres - Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
    EN 50271:2010 Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
    EN 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels
    EN 45544-1:2015 WORKPLACE ATMOSPHERES - ELECTRICAL APPARATUS USED FOR THE DIRECT DETECTION AND DIRECT CONCENTRATION MEASUREMENT OF TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    IEC 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3 (see Functional Safety and IEC 61508)
    IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
    EN 60079-29-2:2015 Explosive atmospheres - Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
    IEC 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures (see Functional Safety and IEC 61508)
    ISO 13702:2015 Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines
    IEC 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508)
    EN 61508-4:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations
    EN 45544-2 : 2015 WORKPLACE ATMOSPHERES - ELECTRICAL APPARATUS USED FOR THE DIRECT DETECTION AND DIRECT CONCENTRATION MEASUREMENT OF TOXIC GASES AND VAPOURS - PART 2: PERFORMANCE REQUIREMENTS FOR APPARATUS USED FOR EXPOSURE MEASUREMENT
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