1、Functional safety - Safety instrumented systems for the process industry sectorPart 2: Guidelines for the application of IEC 61511-1 (IEC 61511-2:2016)BS EN 61511-2:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
2、EN 61511-2 April 2017 ICS 13.110; 25.040.01 Supersedes EN 61511-2:2004 English Version Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of IEC 61511-1 (IEC 61511-2:2016) Scurit fonctionnelle - Systmes instruments de scurit pour
3、le secteur des industries de transformation - Partie 2: Lignes directives pour lapplication de lIEC 61511-1 (IEC 61511-2:2016) Funktionale Sicherheit - PLT-Sicherheitseinrichtungen fr die Prozessindustrie - Teil 2: Anleitungen zur Anwendung des Teils 1 (IEC 61511-2:2016) This European Standard was a
4、pproved by CENELEC on 2016-09-01. CENELEC members are bound 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 n
5、ational standards may be obtained on application to the 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 it
6、s own language and notified to the CEN-CENELEC Management 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 Maced
7、onia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Co
8、mit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61511-2:2017 E Nati
9、onal forewordThis British Standard is the UK implementation of EN 61511-2:2017. It is identical to IEC 61511-2:2016. It supersedes BS EN 61511-2:2004, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee GEL/65/1, System considerations.A list of organizatio
10、ns represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN
11、978 0 580 79124 6ICS 35.240.50; 13.110; 25.040.01Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2017.Amendments/corrigenda issued since publicationD
12、ate Text affectedBRITISH STANDARDBS EN 615112:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61511-2 April 2017 ICS 13.110; 25.040.01 Supersedes EN 61511-2:2004 English Version Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the appl
13、ication of IEC 61511-1 (IEC 61511-2:2016) Scurit fonctionnelle - Systmes instruments de scurit pour le secteur des industries de transformation - Partie 2: Lignes directives pour lapplication de lIEC 61511-1 (IEC 61511-2:2016) Funktionale Sicherheit - PLT-Sicherheitseinrichtungen fr die Prozessindus
14、trie - Teil 2: Anleitungen zur Anwendung des Teils 1 (IEC 61511-2:2016) This European Standard was approved by CENELEC on 2016-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a nationa
15、l standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A ve
16、rsion in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgari
17、a, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Sw
18、itzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation
19、in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61511-2:2017 E BS EN 615112:2017EN 61511-2:2017 2 European foreword The text of document 65A/783/FDIS, future edition 2 of IEC 61511-2, prepared by SC 65A “System aspects” of IEC/TC 65 “Industrial process measurement, c
20、ontrol and automation“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61511-2:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2017-10-
21、21 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-04-21 This document supersedes EN 61511-2:2004. 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
22、not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61511-2:2016 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added f
23、or the standards indicated: IEC 60880:2006 NOTE Harmonized as EN 60880:2009. IEC 61025:2006 NOTE Harmonized as EN 61025:2007. IEC 61078:2006 NOTE Harmonized as EN 61078:2006. IEC 61131-3:2013 NOTE Harmonized as EN 61131-3:2013. IEC 61165:2006 NOTE Harmonized as EN 61165:2006. IEC 61508-1:2010 NOTE H
24、armonized as EN 61508-1:2010. IEC 61508-2:2010 NOTE Harmonized as EN 61508-2:2010. IEC 61508-3:2010 NOTE Harmonized as EN 61508-3:2010. IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010. IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010. IEC 62061:2005 NOTE Harmonized as EN 62061:2005. IEC 62502
25、:2010 NOTE Harmonized as EN 62502:2010. IEC 62551:2012 NOTE Harmonized as EN 62551:2012. ISO 9000:2015 NOTE Harmonized as EN ISO 9000:2015. BS EN 615112:2017EN 61511-2:2017 2 European foreword The text of document 65A/783/FDIS, future edition 2 of IEC 61511-2, prepared by SC 65A “System aspects” of
26、IEC/TC 65 “Industrial process measurement, control and automation“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61511-2:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical nation
27、al standard or by endorsement (dop) 2017-10-21 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-04-21 This document supersedes EN 61511-2:2004. Attention is drawn to the possibility that some of the elements of this document may be the subject
28、 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 Standard IEC 61511-2:2016 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliogr
29、aphy, the following notes have to be added for the standards indicated: IEC 60880:2006 NOTE Harmonized as EN 60880:2009. IEC 61025:2006 NOTE Harmonized as EN 61025:2007. IEC 61078:2006 NOTE Harmonized as EN 61078:2006. IEC 61131-3:2013 NOTE Harmonized as EN 61131-3:2013. IEC 61165:2006 NOTE Harmoniz
30、ed as EN 61165:2006. IEC 61508-1:2010 NOTE Harmonized as EN 61508-1:2010. IEC 61508-2:2010 NOTE Harmonized as EN 61508-2:2010. IEC 61508-3:2010 NOTE Harmonized as EN 61508-3:2010. IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010. IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010. IEC 62061:2005
31、 NOTE Harmonized as EN 62061:2005. IEC 62502:2010 NOTE Harmonized as EN 62502:2010. IEC 62551:2012 NOTE Harmonized as EN 62551:2012. ISO 9000:2015 NOTE Harmonized as EN ISO 9000:2015. EN 61511-2:2017 3 ISO 10418:2003 NOTE Harmonized as EN ISO 10418:2003. ISO/TR 12489:2013 NOTE Harmonized as CEN ISO/
32、TR 12489:2016. ISO 17776:2000 NOTE Harmonized as EN ISO 17776:2002. BS EN 615112:2017EN 61511-2:2017 4 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 th
33、is document and are indispensable for its application. For dated references, only the edition 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, i
34、ndicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 61511-1 2016 Functional safety - Safety instrumented systems for the process ind
35、ustry sector - Normative (uon) - Part 1: Framework, definitions, system, hardware and software requirements EN 61511-1 2016 2 IEC 61511-2:2016 IEC 2016 CONTENTS FOREWORD. 9 INTRODUCTION . 11 1 Scope 13 2 Normative references 13 3 Terms, definitions, and abbreviations . 13 Annex A (informative) Guida
36、nce for IEC 61511-1 14 A.1 Scope . 14 A.2 Normative references 14 A.3 Terms, definitions and abbreviations 14 A.4 Conformance to the IEC 61511-1: 14 A.5 Management of functional safety . 14 A.5.1 Objective . 14 A.5.2 Guidance to “Requirements“ . 14 A.6 Safety life-cycle requirements 23 A.6.1 Objecti
37、ves 23 A.6.2 Guidance to “Requirements“ . 23 A.6.3 Guidance to “Application program SIS safety life-cycle requirements“ . 24 A.7 Verification 25 A.7.1 Objective . 25 A.7.2 Guidance to “Requirements“ . 25 A.8 Process hazard and risk assessment (H any IEC National Committee interested in the subject d
38、ealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determin
39、ed by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committee
40、s. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which the
41、y are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication a
42、nd the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not resp
43、onsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical co
44、mmittees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publica
45、tions. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of pa
46、tent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61511-2 has been prepared by subcommittee 65A: System aspects, of IEC technical committee 65: Industrial-process measurement, control and automation. This second edition cancels a
47、nd replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: guidance examples based on all phases of the safety life cycle provided based on usage experience wi
48、th IEC61511 1stedition; annexes replaced to address transition from software to application programming. BS EN 615112:2017IEC 61511-2:2016 IEC 2016 9 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FUNCTIONAL SAFETY SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRY SECTOR Part 2: Guidelines for the a
49、pplication of IEC 61511-1:2016 FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Public
