EN ISO 14118-2018 en Safety of machinery - Prevention of unexpected start-up.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Safety of machinery - Prevention of unexpected start-upBS EN ISO 14118:2018National forewordThis British Standard is the UK implementation of EN ISO 14118:2018. It is identical to ISO 14118:2017. It supersedes BS EN 103

2、7:1995+A1:2008, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee MCE/3, Safeguarding of machinery.A list of organizations represented on this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 nece

3、ssary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 91932 9ICS 13.110Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was

4、 published under the authority of the Standards Policy and Strategy Committee on 28 February 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 14118:2018EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 14118February 2018ICS 13.110 Supersedes EN 1037:

5、1995+A1:2008EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018 CEN Ref. No. EN ISO 14118:2018: EAll rights of exploitation in any form and by any means reserved worldwide for CEN nati

6、onal MembersSafety of machinery - Prevention of unexpected start-up (ISO 14118:2017)Scurit des machines - Prvention de la mise en marche intempestive (ISO 14118:2017)Sicherheit von Maschinen - Vermeidung von unerwartetem Anlauf (ISO 14118:2017)This European Standard was approved by CEN on 7 October

7、2017.CEN 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 national standards may be obtained

8、 on application to the CEN-CENELEC Management Centre or to any CEN 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 CEN member into its own language and notified to the CEN-CEN

9、ELEC Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Ital

10、y, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN ISO 14118:2018 (E)European forewordThis document (EN ISO 14118:2018) has been prepared by Technical Committee I

11、SO/TC 199 “Safety of machinery” in collaboration with Technical Committee CEN/TC 114 “Safety of machinery” the secretariat of which is held by DIN.This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by A

12、ugust 2018, and conflicting national standards shall be withdrawn at the latest by August 2018.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.This do

13、cument supersedes EN 1037:1995+A1:2008.This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s).For relationship with EU Directive(s), see informative Annex ZA, which is an

14、integral part of this document.According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Rep

15、ublic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.Endorsement noticeThe text of ISO 14118:2017 has

16、been approved by CEN as EN ISO 14118:2018 without any modification.2BS EN ISO 14118:2018ISO 14118:2017(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 General measures to prevent unexpected start-up 24.1 General . 24.2 Manual measures for isolation and ener

17、gy dissipation . 34.3 Other means to prevent unexpected (unintended) start-up . 34.4 Signalling and warning (delayed start) 35 Isolation and energy dissipation . 35.1 Prevention of unexpected start-up upon restoration of any power supplies . 35.2 Devices for isolation from power supplies . 35.3 Lock

18、ing (securing) devices . 45.4 Devices for stored-energy dissipation or restraint (containment) . 45.4.1 General 45.4.2 Mechanical elements 55.4.3 Locking or securing facilities for the restraint (containment) devices. 56 Other measures to prevent unexpected start-up 56.1 Design strategy . 56.2 Measu

19、res to prevent unintended generation of start commands . 66.2.1 Measures to prevent unintended actuation of manual start controls . 66.2.2 Design of safety-related parts of the control system 76.2.3 Selection and location of power control elements . 76.3 Measures to maintain stop commands 76.3.1 Pri

20、nciple 76.3.2 Maintained stop command generated by a stop control device (level A). 76.3.3 Maintained stop command generated by machine control (level B/C) 86.3.4 Mechanical disconnection (level D; see Figure 1) . 86.3.5 Moving-part immobilization (level E; see Figure 1) 86.4 Automatic monitoring of

21、 the safe state (stopped condition) during a category 2 stop . 87 Design requirements for verification . 87.1 General . 87.2 Provisions for verifying isolation 97.3 Provisions for verifying energy dissipation or restraint (containment). 9Annex A (informative) Examples of tasks which can require the

22、presence of persons in danger zones 10Bibliography .11 ISO 2017 All rights reserved iiiContents PageBS EN ISO 14118:2018ISO 14118:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing

23、International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaiso

24、n with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Direct

25、ives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some

26、 of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarat

27、ions received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity asses

28、sment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.This document was prepared by Technical Committee ISO/TC 199, Safety of machinery.This second edition canc

29、els and replaces the first edition (ISO 14118:2000), which has been technically revised and contains the following changes: the text has been edited to facilitate implementation of this document; the Scope has been redefined to exclude the specification of performance levels or safety integrity leve

30、ls for safety-related parts of control systems; Figure 1 has been updated.iv ISO 2017 All rights reservedBS EN ISO 14118:2018ISO 14118:2017(E)IntroductionThe structure of safety standards in the field of machinery is as follows:a) type-A standards (basic safety standards) giving basic concepts, prin

31、ciples for design, and general aspects that can be applied to all machinery;b) type-B standards (generic safety standards) dealing with one safety aspect or one or more type(s) of safeguard that can be used across a wide range of machinery: type-B1 standards on particular safety aspects (e.g. safety

32、 distances, surface temperature, noise); type-B2 standards on safeguards (e.g. two-hand controls, interlocking devices, pressure sensitive devices, guards);c) type-C standards (machine safety standards) dealing with detailed safety requirements for a particular machine or group of machines.This docu

33、ment is a type-B standard as stated in ISO 12100.This document is of relevance, in particular, for the following stakeholder groups representing the market players with regard to machinery safety: machine manufacturers (small, medium and large enterprises); health and safety bodies (regulators, acci

34、dent prevention organizations, market surveillance, etc.)Others can be affected by the level of machinery safety achieved with the means of the document by the above-mentioned stakeholder groups: machine users/employers (small, medium and large enterprises); machine users/employees (e.g. trade union

35、s, organizations for people with special needs); service providers, e.g. for maintenance (small, medium and large enterprises); consumers (in case of machinery intended for use by consumers).The above-mentioned stakeholder groups have been given the possibility to participate at the drafting process

36、 of this document.In addition, this document is intended for standardization bodies elaborating type-C standards.The requirements of this document can be supplemented or modified by a type-C standard.For machines which are covered by the scope of a type-C standard and which have been designed and bu

37、ilt according to the requirements of that standard, the requirements of that type-C standard take precedence.Keeping a machine in a stopped condition while persons are present in danger zones is one of the most important conditions of the safe use of machinery and hence, one of the major aims of the

38、 machine designer and machine user.In the past, the concepts of “operating machine” and “stopped machine” were generally unambiguous; a machine was operating when its movable elements or some of them were moving; stopped when its movable elements were at rest.Machine automation has made the relation

39、ship between “operating” and “moving” on one hand and “stopped” and “at rest” on the other hand, more difficult to define. Automation has also increased the ISO 2017 All rights reserved vBS EN ISO 14118:2018ISO 14118:2017(E)potential for unexpected start-up and a significant number of hazardous even

40、ts have occurred where machines, stopped for diagnostic work or corrective actions, started up unexpectedly.Hazards other than mechanical hazards generated by movable elements (e.g. from a laser beam) also need to be taken into account.The risk assessment relating to the presence of persons in a dan

41、ger zone of a stopped machine needs to take into account the probability of an unexpected start-up of the hazard-generating elements.This document provides machine designers and machinery safety standard technical committees with samples of built-in measures which can be used to prevent unexpected s

42、tart-up.vi ISO 2017 All rights reservedBS EN ISO 14118:2018Safety of machinery - Prevention of unexpected start-up1 ScopeThis document specifies requirements for designed-in means aimed at preventing unexpected machine start-up (see 3.2) to allow safe human interventions in danger zones (see Annex A

43、).This document applies to unexpected start-up from all types of energy source, i.e.: power supply, e.g. electrical, hydraulic, pneumatic; stored energy due to, e.g. gravity, compressed springs; external influences, e.g. from wind.This document does not specify performance levels or safety integrity

44、 levels for safety-related parts of control systems. While available means to prevent unexpected start-up are identified, this document does not specify the means for the prevention of unexpected machine start-up for specific machines.NOTE A type-C standard can define the required means for the prev

45、ention of harm arising from unexpected start-up. Otherwise, the requirements for a specific machine need to be determined by risk assessment outside the scope of this document.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content co

46、nstitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 12100:2010, Safety of machinery General principles for design Risk assessment and risk reduction

47、ISO 13849-1, Safety of machinery Safety-related parts of control systems Part 1: General principles for designIEC 62061, Safety of machinery Functional safety of safety-related electrical, electronic and programmable electronic control systems3 Terms and definitionsFor the purposes of this document,

48、 the terms and definitions given in ISO 12100 and the following apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: ISO Online browsing platform: available at http:/www.iso.org/obp IEC Electropedia: available at http:/www.electropedia.org/3.1sta

49、rt-upmachine start-upchange from rest to motion or switch-on of a machine or of one of its partsNote 1 to entry: An example of function other than motion is switch-on of a laser.INTERNATIONAL STANDARD ISO 14118:2017(E) ISO 2017 All rights reserved 1BS EN ISO 14118:2018ISO 14118:2017(E)3.2unexpected start-upunintended start-upstart-up (3.1) which, because of its unexpected nature, generates a risk to personsNote 1 to entry: This can be caused by, for example: a start command which is the result of a failure in or an external influe