BS-EN-61508-3-2002.pdf
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1、BRITISH STANDARD BS EN 61508-3:2002 Incorporating Corrigendum No.1 to BS IEC 61508-3:1998 and Amendment No.1 to BS IEC 61508-3:1998 (renumbers the BS IEC as BS EN 61508-3:2002) Functional safety of electrical/electronic/ programmable electronic safety-related systems Part 3: Software requirements Th
2、e European Standard EN 61508-3:2001 has the status of a British Standard ICS 25.040.40; 29.020; 35.080 ? Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 09:06:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61508-3:2002 This British Standard, having been prepared under the direction of th
3、e Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 June 1999 BSI 15 March 2002 ISBN 0 580 32720 5 National foreword This British Standard is the official English language version of EN 61508-3:2001. It is identical with IEC 6
4、1508-3:1998 including corrigendum April 1999. The UK participation in its preparation was entrusted to Technical Committee GEL/65, Measurement and control, to Subcommittee GEL/65/1, System considerations, which has the responsibility to: A list of organizations represented on this committee can be o
5、btained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find
6、” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal
7、obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summ
8、ary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 49 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 10630 Corrigendum No.
9、1 August 1999Incorporation of IEC Corrigendum April 1999 1378115 March 2002Implementation of the European Standard Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 09:06:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 61508-3 NORME EUROPENNE EUROPISCHE NORMDecember 2001 CENEL
10、EC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC -All rights of exploitation in any form and by any means reserved worldw
11、ide for CENELEC members. Ref. No. EN 61508-3:2001 E ICS 25.040.40 English version Functional safety of electrical/electronic/programmable electronic safety-related systems Part 3: Software requirements (IEC 61508-3:1998 + corrigendum 1999) Scurit fonctionnelle des systmes lectriques/lectroniques/lec
12、troniques programmables relatifs la scurit Partie 3: Prescriptions concernant les logiciels (CEI 61508-3:1998 + corrigendum 1999) Funktionale Sicherheit sicherheitsbezogener elektrischer/ elektronischer/programmierbarer elektronischer Systeme Teil 3: Anforderungen an Software (IEC 61508-3:1998 + Cor
13、rigendum 1999) This European Standard was approved by CENELEC on 2001-07-03. 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 b
14、ibliographical references concerning such national standards may be obtained on application to the Central Secretariat 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 responsib
15、ility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,
16、Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 09:06:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60518-:30021- - 2 Foreword The text of the International Standard IEC 61508-3:1998 including
17、its corrigendum April 1999, prepared by SC 65A, System aspects, of IEC TC 65, Industrial-process measurement and control, was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 61508-3 on 2001-07-03 without any modification. The following dates were fixed: latest date by
18、which the EN has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 2002-08-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 2004-08-01 Annexes designated “normative“ are part of the body of the
19、standard. Annexes designated “informative“ are given for information only. In this standard, annexes A, B and ZA are normative and annex C is informative. Annex ZA has been added by CENELEC. IEC 61508 is a basic safety publication covering the functional safety of electrical, electronic and programm
20、able electronic safety-related systems. The scope states: “This International Standard covers those aspects to be considered when electrical/electronic/ programmable electronic systems (E/E/PESs) are used to carry out safety functions. A major objective of this standard is to facilitate the developm
21、ent of application sector international standards by the technical committees responsible for the application sector. This will allow all the relevant factors associated with the application, to be fully taken into account and thereby meet the specific needs of the application sector. A dual objecti
22、ve of this standard is to enable the development of electrical/electronic/programmable electronic (E/E/PE) safety-related systems where application sector international standards may not exist“. The CENELEC Report R0BT-004, ratified by 103 BT (March 2000) accepts that some IEC standards, which today
23、 are either published or under development, are sector implementations of IEC 61508. For example: ? IEC 61511, Functional safety - Safety instrumented systems for the process industry sector; ? IEC 62061, Safety of machinery Functional safety of electrical, electronic and programmable electronic con
24、trol systems; ? IEC 61513, Nuclear power plants Instrumentation and control for systems important to safety General requirements for systems. The railways sector has also developed a set of European Standards (EN 50126; EN 50128 and prEN 50129). NOTE EN 50126 and EN 50128 were based on earlier draft
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