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    IEC TR 62061-1-2010 Guidance on the application of ISO 13849-1 and IEC 62061 in the design of safety-related control systems for machinery《ISO 13849-1和IEC 62061标准的关于机械装置的安全性控制系统的设计应用指南》.pdf

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    IEC TR 62061-1-2010 Guidance on the application of ISO 13849-1 and IEC 62061 in the design of safety-related control systems for machinery《ISO 13849-1和IEC 62061标准的关于机械装置的安全性控制系统的设计应用指南》.pdf

    1、 IEC/TR 62061-1 Edition 1.0 2010-07 TECHNICAL REPORT RAPPORT TECHNIQUE Guidance on the application of ISO 13849-1 and IEC 62061 in the design of safety-related control systems for machinery Lignes directrices relatives lapplication de lISO 13849-1 et de la CEI 62061 dans la conception des systmes de

    2、 commande des machines relatifs la scurit IEC/TR 62061-1:2010 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2010 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanic

    3、al, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the addres

    4、s below or your local IEC member National Committee for further information. Droits de reproduction rservs. Sauf indication contraire, aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photoco

    5、pie et les microfilms, sans laccord crit de la CEI ou du Comit national de la CEI du pays du demandeur. Si vous avez des questions sur le copyright de la CEI ou si vous dsirez obtenir des droits supplmentaires sur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit national de l

    6、a CEI de votre pays de rsidence. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all elec

    7、trical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Catalogue of IEC publications: www.iec.ch

    8、/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee,). It also gives information on projects, withdrawn and replaced publications. IEC Just Published: www.iec.ch/online_news/justpub Stay up to date on all new IEC publicatio

    9、ns. Just Published details twice a month all new publications released. Available on-line and also by email. Electropedia: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French, with equiva

    10、lent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact u

    11、s: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 A propos de la CEI La Commission Electrotechnique Internationale (CEI) est la premire organisation mondiale qui labore et publie des normes internationales pour tout ce qui a trait llectricit, llectronique et aux technologies apparente

    12、s. A propos des publications CEI Le contenu technique des publications de la CEI est constamment revu. Veuillez vous assurer que vous possdez ldition la plus rcente, un corrigendum ou amendement peut avoir t publi. Catalogue des publications de la CEI: www.iec.ch/searchpub/cur_fut-f.htm Le Catalogue

    13、 en-ligne de la CEI vous permet deffectuer des recherches en utilisant diffrents critres (numro de rfrence, texte, comit dtudes,). Il donne aussi des informations sur les projets et les publications retires ou remplaces. Just Published CEI: www.iec.ch/online_news/justpub Restez inform sur les nouvel

    14、les publications de la CEI. Just Published dtaille deux fois par mois les nouvelles publications parues. Disponible en-ligne et aussi par email. Electropedia: www.electropedia.org Le premier dictionnaire en ligne au monde de termes lectroniques et lectriques. Il contient plus de 20 000 termes et dfi

    15、nitions en anglais et en franais, ainsi que les termes quivalents dans les langues additionnelles. Egalement appel Vocabulaire Electrotechnique International en ligne. Service Clients: www.iec.ch/webstore/custserv/custserv_entry-f.htm Si vous dsirez nous donner des commentaires sur cette publication

    16、 ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC/TR 62061-1 Edition 1.0 2010-07 TECHNICAL REPORT RAPPORT TECHNIQUE Guidance on the application of ISO 13849-1 and IEC 62061 in the design of safety-rel

    17、ated control systems for machinery Lignes directrices relatives lapplication de lISO 13849-1 et de la CEI 62061 dans la conception des systmes de commande des machines relatifs la scurit INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE R ICS 13.110; 25.040.99; 29.

    18、020 PRICE CODE CODE PRIX ISBN 978-2-88912-042-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 TR 62061-1 IEC:2010 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 General 6 3 Comparison of standards6 4 Risk estimat

    19、ion and assignment of required performance .7 5 Safety requirements specification.7 6 Assignment of performance targets: PL versus SIL.8 7 System design9 7.1 General requirements for system design using IEC 62061 and ISO 13849-1 .9 7.2 Estimation of PFH Dand MTTF dand the use of fault exclusions 9 7

    20、.3 System design using subsystems or SRP/CS that conform to either IEC 62061 or ISO 13849-1 10 7.4 System design using subsystems or SRP/CS that have been designed using other IEC or ISO standards .10 8 Example .10 8.1 General .10 8.2 Simplified example of the design and validation of a safety-relat

    21、ed control system implementing a specified safety-related control function11 8.3 Conclusion 18 Bibliography19 Figure 1 Example implementation of the safety function.11 Figure 2 Safety-related block diagram13 Figure 3 Safety-related block diagram for calculation according to ISO 13849-1 13 Figure 4 L

    22、ogical representation of subsystem D.15 Table 1 Relationship between PLs and SILs based on the average probability of dangerous failure per hour8 Table 2 Architectural constraints on subsystems maximum SIL CL that can be claimed for an SRCF using this subsystem .17 TR 62061-1 IEC:2010 3 INTERNATIONA

    23、L ELECTROTECHNICAL COMMISSION _ GUIDANCE ON THE APPLICATION OF ISO 13849-1 AND IEC 62061 IN THE DESIGN OF SAFETY-RELATED CONTROL SYSTEMS FOR MACHINERY FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechni

    24、cal 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,

    25、Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, gove

    26、rnmental 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 determined by agreement between the two organizations. 2) The formal decisions

    27、 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 Committees. 3) IEC Publications have the form of recommendations for internatio

    28、nal 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 they are used or for any misinterpretation by any end user. 4) In order t

    29、o 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 and the corresponding national or regional publication shall be clearly

    30、 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 responsible for any services carried out by independent certification bodi

    31、es. 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 committees and IEC National Committees for any personal injury, property

    32、 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 Publications. 8) Attention is drawn to the Normative references cited in this

    33、 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 patent rights. IEC shall not be held responsible for identifying any or

    34、all such patent rights. The main task of IEC technical committees is to prepare International Standards. However, a technical committee may propose the publication of a technical report when it has collected data of a different kind from that which is normally published as an International Standard,

    35、 for example “state of the art“. IEC 62016-1, which is a technical report, has been prepared jointly by Technical Committee ISO/TC 199, Safety of machinery, and Technical Committee IEC/TC 44, Safety of machinery Electrotechnical aspects. The draft was circulated for voting to the national bodies of

    36、both ISO and IEC. These technical committees have agreed that no modification will be made to this Technical Report except by mutual agreement 1 . 1This Technical Report is published at the ISO as ISO/TR 23849. 4 TR 62061-1 IEC:2010 The text of this technical report is based on the following documen

    37、ts: Enquiry draft Report on voting 44/598/DTR 44/608/RVC Full information on the voting for the approval of this technical report can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has

    38、decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or am

    39、ended. TR 62061-1 IEC:2010 5 INTRODUCTION This Technical Report has been prepared by experts from both IEC/TC 44/WG 7 and ISO/TC 199/WG 8 in response to requests from their Technical Committees to explain the relationship between IEC 62061 and ISO 13849-1. In particular, it is intended to assist use

    40、rs of these International Standards in terms of the interaction(s) that can exist between the standards to ensure that confidence can be given to the design of safety-related systems made in accordance with either standard. It is intended that this Technical Report be incorporated into both IEC 6206

    41、1 and ISO 13849-1 by means of corrigenda that reference the published version of this document. These corrigenda will also remove the information given in Table 1, Recommended application of IEC 62061 and ISO 13849-1, provided in the common introduction to both standards, which is now recognized as

    42、being out of date. Subsequently, it is intended to merge ISO 13849-1 and IEC 62061 by means of a JWG of ISO/TC 199 and IEC/TC 44. 6 TR 62061-1 IEC:2010 GUIDANCE ON THE APPLICATION OF ISO 13849-1 AND IEC 62061 IN THE DESIGN OF SAFETY-RELATED CONTROL SYSTEMS FOR MACHINERY 1 Scope This Technical Report

    43、 is intended to explain the application of IEC 62061 and ISO 13849-1 2) in the design of safety-related control systems for machinery. 2 General 2.1 Both IEC 62061 and ISO 13849-1 specify requirements for the design and implementation of safety-related control systems of machinery 3) . The methods d

    44、eveloped in both of these standards are different but, when correctly applied, can achieve a comparable level of risk reduction. 2.2 These standards classify safety-related control systems that implement safety functions into levels that are defined in terms of their probability of dangerous failure

    45、 per hour. ISO 13849-1 has five Performance Levels (PLs), a, b, c, d and e, while IEC 62061 has three safety integrity levels (SILs), 1, 2 and 3. 2.3 Product standards (type-C) committees specify the safety requirements for safety-related control systems and it is recommended that these committees c

    46、lassify the levels of confidence required for them in terms of PLs and SILs. 2.4 Machinery designers may choose to use either IEC 62061 or ISO 13849-1 depending on the specific features of the application. 2.5 The selection and use of either standard is likely to be determined by, for example: previ

    47、ous knowledge and experience in the design of machinery safety-related control systems based upon the concept of categories described in ISO 13849-1:1999 can mean that the use of ISO 13849-1:2006 is more appropriate; safety-related control systems based upon media other than electrical can mean that

    48、 the use of ISO 13849-1 is more appropriate; customer requirements to demonstrate the safety integrity of a machine safety-related control system in terms of a SIL can mean that the use of IEC 62061 is more appropriate; safety-related control systems of machinery used in, for example, the process in

    49、dustries, where other safety-related systems (such as safety instrumented systems in accordance with IEC 61511) are characterized in terms of SILs, can mean that the use of IEC 62061 is more appropriate. 3 Comparison of standards 3.1 A comparison of the technical requirements in ISO 13849-1 and IEC 62061 has been carried out in respect of the following aspects: 2) This Technical Report considers ISO 13849-1


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