• EN 50402:2017

    Current The latest, up-to-date edition.

    Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of gas detection systems

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    Published date:  17-03-2017

    Publisher:  European Committee for Standards - Electrical

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

    European foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General requirements
    5 Functional modules and elements - Characterization
       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 (informative) - Determination of SIL-capability
            of a safety function of the gas detection system
    Annex D (informative) - Failure modes for specific
            measuring principles

    Abstract - (Show below) - (Hide below)

    This European Standard is applicable to apparatus and systems for the detection and measurement of flammable or toxic gases or vapours or oxygen.

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

    Committee TC 31
    Development Note Supersedes PREN 50402. (03/2017)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current
    Supersedes

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

    I.S. EN 50270:2015 ELECTROMAGNETIC COMPATIBILITY - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN
    13/30260741 DC : 0 BS EN 50270 - ELECTROMAGNETIC COMPATIBILITY - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN
    NF EN 50495 : 2010 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
    BS EN 50495 : 2010 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
    BS EN 50270:2015 Electromagnetic compatibility. Electrical apparatus for the detection and measurement of combustible gases, toxic gases or 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
    CEI EN 50495 : 2011 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
    I.S. EN 50495:2010 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
    PREN 50270 : DRAFT 2013 ELECTROMAGNETIC COMPATIBILITY - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN
    BS 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
    CEI EN 50271 : 2011 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
    UNE-EN 50271:2011 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
    NF 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
    I.S. 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 50495 : 2010 SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
    EN 50270:2015 ELECTROMAGNETIC COMPATIBILITY - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES, TOXIC GASES OR OXYGEN

    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 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 61326-3-2 : 2008 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - EMC REQUIREMENTS - PART 3-2: IMMUNITY REQUIREMENTS FOR SAFETY-RELATED SYSTEMS AND FOR EQUIPMENT INTENDED TO PERFORM SAFETY-RELATED FUNCTIONS (FUNCTIONAL SAFETY) - INDUSTRIAL APPLICATIONS WITH SPECIFIED ELECTROMAGNETIC ENVIRONMENT
    IEC 60158-2:1982 Low-voltage controlgear. Part 2: Semiconductor contactors (solid state contactors)
    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 61784-3:2016/A1:2017 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 3: FUNCTIONAL SAFETY FIELDBUSES - GENERAL RULES AND PROFILE DEFINITIONS (IEC 61784-3:2016/A1:2017)
    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 61326-3-2 : 2.0 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - EMC REQUIREMENTS - PART 3-2: IMMUNITY REQUIREMENTS FOR SAFETY-RELATED SYSTEMS AND FOR EQUIPMENT INTENDED TO PERFORM SAFETY-RELATED FUNCTIONS (FUNCTIONAL SAFETY) - INDUSTRIAL APPLICATIONS WITH SPECIFIED ELECTROMAGNETIC ENVIRONMENT
    IEC 60079-29-3:2014 Explosive atmospheres - Part 29-3: Gas detectors - Guidance on functional safety of fixed gas detection systems
    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
    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 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 60079-29-2:2015)
    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)
    EN 60079-29-3 : 2014 EXPLOSIVE ATMOSPHERES - PART 29-3: GAS DETECTORS - GUIDANCE ON FUNCTIONAL SAFETY OF FIXED GAS DETECTION SYSTEMS (IEC 60079-29-3:2014)
    EN 61326-3-1:2017 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - EMC REQUIREMENTS - PART 3-1: IMMUNITY REQUIREMENTS FOR SAFETY-RELATED SYSTEMS AND FOR EQUIPMENT INTENDED TO PERFORM SAFETY-RELATED FUNCTIONS (FUNCTIONAL SAFETY) - GENERAL INDUSTRIAL APPLICATIONS (IEC 61326-3-1:2017)
    IEC 61784-3:2016+AMD1:2017 CSV Industrial communication networks - Profiles - Part 3: Functional safety fieldbuses - General rules and profile definitions
    EN 50159:2010 RAILWAY APPLICATIONS - COMMUNICATION, SIGNALLING AND PROCESSING SYSTEMS - SAFETY-RELATED COMMUNICATION IN TRANSMISSION SYSTEMS
    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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