• NEN EN 54-25 : 2008 C2 2012

    Current The latest, up-to-date edition.

    FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 25: COMPONENTS USING RADIO LINKS

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    Published date:  12-01-2013

    Publisher:  Netherlands Standards

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions and abbreviations
      3.1 Terms and definitions
      3.2 Abbreviations
    4 System requirements
      4.1 General
      4.2 Radio frequency links
          4.2.1 Immunity to site attenuation
          4.2.2 Alarm signal integrity
          4.2.3 Identification of the RF linked component
          4.2.4 Receiver performance
          4.2.5 Immunity to interference
          4.2.6 Loss of communication
          4.2.7 Antenna
    5 Components requirements
      5.1 Compliance
      5.2 General
      5.3 Power supply equipment
      5.4 Environmental related requirements
          5.4.1 General
          5.4.2 General test procedure
          5.4.3 Provision for testing
    6 Documentation
    7 Marking
    8 Tests
      8.1 General requirements
          8.1.1 General
          8.1.2 Standard atmospheric conditions for testing
          8.1.3 Operating conditions for tests
          8.1.4 Mounting and orientation
          8.1.5 Tolerances
      8.2 System tests
          8.2.1 Test schedule for system tests
          8.2.2 Test for immunity to site attenuation
          8.2.3 Test for alarm signal integrity
          8.2.4 Test for identification of RF linked components
          8.2.5 Test for the receiver performance
          8.2.6 Test for mutual disturbance between systems of the
                 same manufacturer
          8.2.7 Test of compatibility with other band users
          8.2.8 Test for the detection of a loss of communication
                 on a link
          8.2.9 Test of the antenna
      8.3 Components tests
          8.3.1 General
          8.3.2 Test schedule for components tests
          8.3.3 Verification of the service life of the autonomous
                 power source(s)
          8.3.4 Test for the low power condition fault signal
          8.3.5 Test for the polarity reversal
          8.3.6 Repeatability test
          8.3.7 Reproducibility test
          8.3.8 Variation of supply parameters
          8.3.9 Dry heat (operational)
          8.3.10 Dry heat (endurance)
          8.3.11 Cold (operational)
          8.3.12 Damp heat, cyclic (operational)
          8.3.13 Damp heat, steady state (operational)
          8.3.14 Damp heat, steady state (endurance)
          8.3.15 SO[2]-corrosion (endurance)
          8.3.16 Shock (operational)
          8.3.17 Impact (operational)
          8.3.18 Vibration, sinusoidal (operational)
          8.3.19 Vibration, sinusoidal (endurance)
          8.3.20 Electromagnetic Compatibility (EMC), Immunity tests
                 (operational)
    Annex A (normative) Test configuration by using radio frequency
                        shielded test equipment
    Annex B (normative) Immunity to site attenuation (path loss)
    Annex C (informative) Data and calculation of the service life of
                          the autonomous power source(s)
    Annex ZA (informative) Clauses of this European Standard addressing
                           the provisions of the EU Construction Products
                           Directive (89/106/EEC)
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines requirements, test methods and performance criteria for components used in fire alarms systems, installed in and around buildings, which use radio frequency links (RF links) to communicate.

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

    Development Note Draft issued in September 2015. (09/2015)
    Document Type Standard
    Publisher Netherlands Standards
    Status Current
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