• BS IEC 62241 : 2004

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    NUCLEAR POWER PLANTS - MAIN CONTROL ROOM - ALARM FUNCTIONS AND PRESENTATION

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-03-2015

    Language(s):  English

    Published date:  01-01-2004

    Publisher:  British Standards Institution

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

    FOREWORD
    INTRODUCTION
    1 Scope and object
    2 Normative references
    3 Terms and definitions
    4 Background explanations
       4.1 Problems of alarm systems
       4.2 Functional design elements
       4.3 Other elements
    5 Basic functional requirements
       5.1 Alarm functions
       5.2 Alarm signals
       5.3 Alarm signal processing
       5.4 Alarm display processing
       5.5 Alarm control and management
       5.6 Alarm presentation and display-control integration
       5.7 Human factors
       5.8 Evaluation
    6 Design definition of alarms
       6.1 General
       6.2 Key alarms
       6.3 Alarms needed
    7 Alarm signal processing
       7.1 General
       7.2 Alarm signal validation
       7.3 Alarm generation and reduction processing
       7.4 Event sequence and time delay processing
       7.5 First-out processing
    8 Alarm display processing
       8.1 General
       8.2 Grouped alarms
       8.3 Alarm suppression
       8.4 Dark-board presentation
    9 Alarm control and management
       9.1 General
       9.2 Audible warning and silence
       9.3 Flash and reflash
       9.4 Acknowledgement
       9.5 Ringback
       9.6 Reset
    10 Alarm presentation and display-control integration
       10.1 General
       10.2 Alarm fascia and tile
       10.3 VDU alarm list display
       10.4 Audible annunciation
    11 Reliability, testing, and maintainability
       11.1 Reliability
       11.2 Testing
       11.3 Maintainability
    12 Alarm recording
    13 Alarm response procedures (ARP)
       13.1 General
       13.2 Contents
       13.3 Format
    Annex A (informative) Problems of alarm system
    Annex B (informative) Information sources for signals used
            to generate alarms
    Annex C (informative) Examples of alarm processing logic and
            dynamic prioritisation
    Annex D (informative) Conceptual example of alarm grouping
            and categorisation
    Annex E (informative) Material for the need of distinction
            between alarm and status information
    Annex F (informative) Example of arrangement of alarm tiles
    Annex G (informative) Examples of Points to Consider in the
            Categorisation of Alarms

    Abstract - (Show below) - (Hide below)

    Specifies the functional requirements for the alarm systems in the main control room of nuclear power plants. It provides definitions of the terms used for alarm functions and also establishes the human factors requirements and the design guidelines for alarm presentation for the main control room of nuclear power plants.

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

    Committee NCE/8
    Development Note Supersedes 03/311284 DC (11/2004) Reviewed and confirmed by BSI, March 2015. (03/2015) Renumbered and superseded by BS EN 62241. (03/2015)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    IEC 61226:2009 Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
    IEC 61839:2000 Nuclear power plants - Design of control rooms - Functional analysis and assignment
    IEC 61772:2009 Nuclear power plants - Control rooms - Application of visual display units (VDUs)
    IEC 61771:1995 Nuclear power plants - Main control-room - Verification and validation of design
    IEC 60964:2009 Nuclear power plants - Control rooms - Design
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