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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - CLASSIFICATION OF INSTRUMENTATION AND CONTROL FUNCTIONS
Hardcopy , PDF
30-06-2010
English
01-01-2009
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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
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.
| Committee |
NCE/8
|
| DevelopmentNote |
Renumbered and superseded by BS EN 61226. (06/2010)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IEC 61226:2009 | Identical |
| 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 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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