1、BSI Standards PublicationNuclear power plants Instrumentation and controlimportant to safety Hardware design requirementsfor computer-based systemsBS EN 60987:2015BS EN 60987:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 60987:2015. It is identical to IEC
2、 60987:2007, incorporating amendment 1:2013. It supersedes BS EN 60987:2009 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to IEC text carry the number of the IEC amendment. For example, text altered by IEC
3、 amendment 1 is indicated by .The UK participation in its preparation was entrusted to Technical Committee NCE/8, Reactor instrumentation.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary p
4、rovisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580 86300 4ICS 27.120.20; 35.240.99Compliance with a British Standard cannot confer immunity from legal obligations.This British Stand
5、ard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2015.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60987 February 2015 ICS 27.120.20 Supersedes EN 60987:2009 English Version Nuclea
6、r power plants - Instrumentation and control important to safety - Hardware design requirements for computer-based systems (IEC 60987:2007 + A1:2013) Centrales nuclaires de puissance - Instrumentation et contrle-commande importants pour la sret - Exigences applicables la conception du matriel des sy
7、stmes informatiss (IEC 60987:2007 + A1:2013) Kernkraftwerke - Leittechnische Systeme mit sicherheitstechnischer Bedeutung - Anforderungen an die Hardware-Auslegung rechnerbasierter Systeme (IEC 60987:2007 + A1:2013) This European Standard was approved by CENELEC on 2015-02-16. CENELEC members are bo
8、und to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the
9、CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Managemen
10、t Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland
11、, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komite
12、e fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60987:2015 E EN 60987:2015 - 2 - Foreword This document (EN 60987:2015) consists of
13、 the text of IEC 60987:2007 + A1:2013 prepared by SC 45A “Instrumentation, control and electrical systems of nuclear facilities” of IEC/TC 45 “Nuclear instrumentation“. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an ident
14、ical national standard or by endorsement (dop) 2016-02-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-02-16 This document supersedes EN 60987:2009. As stated in the nuclear safety directive 2009/71/EURATOM, Chapter 1, Article 2, item 2, M
15、ember States are not prevented from taking more stringent safety measures in the subject-matter covered by the Directive, in compliance with Community law. In a similar manner, this European standard does not prevent Member States from taking more stringent nuclear safety measures in the subject-mat
16、ter covered by this standard. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standar
17、d IEC 60987:2007 + A1:2013 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 61226 NOTE Harmonized as EN 61226. 2 BS EN 60987:2015EN 60987:2015EN 60987:2015 - 2 - Fore
18、word This document (EN 60987:2015) consists of the text of IEC 60987:2007 + A1:2013 prepared by SC 45A “Instrumentation, control and electrical systems of nuclear facilities” of IEC/TC 45 “Nuclear instrumentation“. The following dates are fixed: latest date by which the document has to be implemente
19、d at national level by publication of an identical national standard or by endorsement (dop) 2016-02-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-02-16 This document supersedes EN 60987:2009. As stated in the nuclear safety directive 20
20、09/71/EURATOM, Chapter 1, Article 2, item 2, Member States are not prevented from taking more stringent safety measures in the subject-matter covered by the Directive, in compliance with Community law. In a similar manner, this European standard does not prevent Member States from taking more string
21、ent nuclear safety measures in the subject-matter covered by this standard. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsemen
22、t notice The text of the International Standard IEC 60987:2007 + A1:2013 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 61226 NOTE Harmonized as EN 61226. - 3 - EN
23、60987:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the editio
24、n cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest v
25、ersions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 60780 - Nuclear power plants - Electrical equipment of the safety system - Qualification - - IEC 60812 - Analysis techniques for system reliability - Procedure for failure m
26、ode and effects analysis (FMEA) EN 60812 - IEC 60880 - Nuclear power plants - Instrumentation and control systems important to safety - Software aspects for computer-based systems performing category A functions EN 60880 - IEC 61000 Series Electromagnetic compatibility (EMC) EN 61000 Series IEC 6102
27、5 - Fault Tree Analysis (FTA) EN 61025 - IEC 61513 20011)Nuclear power plants - Instrumentation and control for systems important to safety - General requirements for systems - - IEC 62138 - Nuclear power plants - Instrumentation and control important for safety - Software aspects for computer-based
28、 systems performing category B or C functions EN 62138 - IEC 62671 - Nuclear power plants - Instrumentation and control important to safety - Selection and use of industrial digital devices of limited functionality - - ISO 2768-1 - General tolerances - Part 1: Tolerances for linear and angular dimen
29、sions without individual tolerance indications EN 22768-1 - ISO 2768-2 - General tolerances - Part 2: Geometrical tolerances for features without individual tolerance indications EN 22768-2 - 1)Superseded by IEC 61513:2011. 3 BS EN 60987:2015EN 60987:2015EN 60987:2015 - 4 - Publication Year Title EN
30、/HD Year ISO 3951-1 - Sampling procedures for inspection by variables - Part 1: Specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL - - ISO 3951-2 - Sampling procedures for inspection by vari
31、ables - Part 2: General specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection of independent quality characteristics - - ISO 9001 - Quality management systems - Requirements EN ISO 9001 - IAEA guide NS-G-1.3 - Instrumentation and control systems
32、important to safety in nuclear power plants - - IAEA 50-C/SG-Q 1996 Quality assurance for safety in nuclear power plants and other nuclear installations - - 4 BS EN 60987:2015EN 60987:2015EN 60987:2015 - 4 - Publication Year Title EN/HD Year ISO 3951-1 - Sampling procedures for inspection by variabl
33、es - Part 1: Specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL - - ISO 3951-2 - Sampling procedures for inspection by variables - Part 2: General specification for single sampling plans ind
34、exed by acceptance quality limit (AQL) for lot-by-lot inspection of independent quality characteristics - - ISO 9001 - Quality management systems - Requirements EN ISO 9001 - IAEA guide NS-G-1.3 - Instrumentation and control systems important to safety in nuclear power plants - - IAEA 50-C/SG-Q 1996
35、 Quality assurance for safety in nuclear power plants and other nuclear installations - - BS EN 60987:2015IEC 60987:2007+A1:2013 5 CONTENTSFOREWORD 7INTRODUCTION 91 Scope 1111 General 1112 Use of this standard for pre-developed (for example, COTS) hardware assessment 1113 Applicability of this stand
36、ard to programmable logic devices development 112 Normative references 123 Terms and definitions 134 Project structure 1541 General 1542 Project subdivision 1543 Quality assurance 155 Hardware requirements 1651 General 1652 Functional and performance requirements 1753 Reliability/Availability requir
37、ements 1854 Environmental withstand requirements 1955 Documentation requirements 196 Design and development 2061 General 2062 Design activities 2063 Reliability 2164 Maintenance 2165 Interfaces 2266 Modification 2267 Power failure 2268 Component selection 2269 Design documentation 227 Verification and validation 2371 General 2372 Verification plan 2373 Independence of verification 2474 Methods 2475 Documentation 2576 Discrepancies 2577 Changes and modifications 2578 Installation verification
