• BS IEC 61226 : 2009

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - CLASSIFICATION OF INSTRUMENTATION AND CONTROL FUNCTIONS

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-06-2010

    Language(s):  English

    Published date:  01-01-2009

    Publisher:  British Standards Institution

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Abbreviations
    5 Classification scheme
      5.1 General
      5.2 Background
      5.3 Description of categories
          5.3.1 General
          5.3.2 Category A
          5.3.3 Category B
          5.3.4 Category C
      5.4 Assignment criteria
          5.4.1 General
          5.4.2 Category A
          5.4.3 Category B
          5.4.4 Category C
    6 Classification procedure
      6.1 General
      6.2 Identification of design basis
      6.3 Identification and classification of functions
    7 Assignment of technical requirements to categories
      7.1 General requirements
      7.2 Requirements related to functions
          7.2.1 Basic requirements
          7.2.2 Specific requirements
      7.3 Requirements related to I&C systems
          7.3.1 Basic requirements
          7.3.2 Specific requirements
      7.4 Requirements related to equipment
          7.4.1 Basic requirements
          7.4.2 Specific requirements
      7.5 Requirements related to quality aspects
          7.5.1 Basic requirements
          7.5.2 Specific requirements
    Annex A (informative) - Examples of categories
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a method of classification of the information and command functions for nuclear power plants, and the I&C systems and equipment that provide those functions, into categories that designate the importance to safety of the function.

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

    Committee NCE/8
    Development Note Renumbered and superseded by BS EN 61226. (06/2010)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    IEC 60050-394:2007 International Electrotechnical Vocabulary (IEV) - Part 394: Nuclear instrumentation - Instruments, systems, equipment and detectors
    IEC 60671:2007 Nuclear power plants - Instrumentation and control systems important to safety - Surveillance testing
    IEC 61839:2000 Nuclear power plants - Design of control rooms - Functional analysis and assignment
    IEC 61000-6-2:2016 Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity standard for industrial environments
    IEC 60812:2006 Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA)
    IEC 62138:2004 Nuclear power plants - Instrumentation and control important for safety - Software aspects for computer-based systems performing category B or C functions
    IEC 61772:2009 Nuclear power plants - Control rooms - Application of visual display units (VDUs)
    IEC 60980:1989 Recommended practices for seismic qualification of electrical equipment of the safety system for nuclear generating stations
    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 60987:2007+AMD1:2013 CSV Nuclear power plants - Instrumentation and control important to safety - Hardware design requirements for computer-based systems
    IEC 60965:2016 Nuclear power plants - Control rooms - Supplementary control room for reactor shutdown without access to the main control room
    IEC 61771:1995 Nuclear power plants - Main control-room - Verification and validation of design
    IEC 60880:2006 Nuclear power plants - Instrumentation and control systems important to safety - Software aspects for computer-based systems performing category A functions
    IEC 60780:1998 Nuclear power plants - Electrical equipment of the safety system - Qualification
    IEC 61513:2011 Nuclear power plants - Instrumentation and control important to safety - General requirements for systems
    IEC 60709:2004 Nuclear power plants - Instrumentation and control systems important to safety - Separation
    IEC 60964:2009 Nuclear power plants - Control rooms - Design
    IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
    IEC 61000-6-2 : 3.0:2016 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY STANDARD FOR INDUSTRIAL ENVIRONMENTS
    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)
    IEC TR 61838:2009 Nuclear power plants - Instrumentation and control important to safety - Use of probabilistic safety assessment for the classification of functions
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