IEC 61496-2-2013 Safety of machinery - Electro-sensitive protective equipment - Part 2 Particular requirements for equipment using active opto-electronic protec.pdf

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1、 IEC 61496-2 Edition 3.0 2013-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Safety of machinery Electro-sensitive protective equipment Part 2: Particular requirements for equipment using active opto-electronic protective devices (AOPDs) Scurit des machines quipements de protection lectro-sensibles

2、Partie 2: Exigences particulires un quipement utilisant des appareils protecteurs optolectroniques actifs (AOPD) IEC61496-2:2013 colourinsideTHIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication ma

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16、aires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61496-2 Edition 3.0 2013-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Safety of machinery Electro-sensitive protective equipment Part 2: Particular requirements for equipment using active opto-electronic prote

17、ctive devices (AOPDs) Scurit des machines quipements de protection lectro-sensibles Partie 2: Exigences particulires un quipement utilisant des appareils protecteurs optolectroniques actifs (AOPD) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XA ICS 13.110; 29.

18、260.99 PRICE CODE CODE PRIX ISBN 978-2-83220-587-7 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assure

19、r que vous avez obtenu cette publication via un distributeur agr. colourinside 2 61496-2 IEC:2013 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3 Terms and definitions . 8 4 Functional, design and environmental requirements . 9 4.1 Functional requirements 9 4.2 Design

20、 requirements . 11 4.3 Environmental requirements 14 5 Testing . 14 5.1 General . 14 5.2 Functional tests . 17 5.4 Environmental tests . 34 6 Marking for identification and safe use 42 6.1 General . 42 7 Accompanying documents 42 Annex A (normative) Optional functions of the ESPE . 44 Annex B (norma

21、tive) Catalogue of single faults affecting the electrical equipment of the ESPE, to be applied as specified in 5.3 . 48 Annex AA (informative) Type 2 AOPD periodic test configurations . 49 Bibliography 51 Index 52 Figure 1 Limit area for the protection against the risk of beam bypass . 12 Figure 2 L

22、imit of vertical and horizontal misalignment 13 Figure 3 Test piece at 45 18 Figure 4 Test piece at 90 19 Figure 5 Verifying sensing function by moving the test piece (TP) through the detection zone near the emitter, near the receiver/retro-reflector target and at the midpoint 19 Figure 6 Limit valu

23、es for the effective aperture angle (EAA) . 21 Figure 7 Determination of the minimum detection capability . 22 Figure 8 Measuring method for EAA (direction) 23 Figure 9 Prism test to measure EAA of each beam 25 Figure 10 EAA test using prism 26 Figure 11 Design calculations for a wedge prism . 27 Fi

24、gure 12 Example of optical subsystem: Emitter on left Receiver on right 27 Figure 13 Example of SMD LED Model 28 Figure 14 Example of intensity distribution of emitting element 28 Figure 15 Example of emitter model with beams internally blocked by aperture stop 28 Figure 16 Example of receiving unit

25、 with off axis beam portion reflected internally on mechanical elements 29 Figure 17 Example of test piece inside model of optical subsystem with passing radiation on the receiver . 30 61496-2 IEC:2013 3 Figure 18 Example of emitting unit adjusted at the limit 31 Figure 19 Extraneous reflection test

26、 with mirror outside of limit area 32 Figure 20 AOPD misalignment test 33 Figure 21 Light interference test Direct method . 35 Figure 22 Light interference test Test set-up with incandescent light source . 36 Figure 23 Light interference test Test set-up with fluorescent light source . 37 Figure 24

27、Light interference test Test set-up with flashing beacon light source . 38 Figure 25 Light interference test Test set-up with stroboscopic light source 39 Figure AA.1 Single beam sensing device . 49 Figure AA.2 Series connection of single beam sensing devices . 49 Figure AA.3 Assembly of multiple be

28、ams tested individually. 49 Figure AA.4 Example of type 2 AOPD with internal test 50 Table 1 Correspondences of requirements/testing and AOPD designs . 15 Table 2 Maximum permissible angle of misalignment (in degrees) for a type 2 ESPE depending on the dimensions of the light curtain . 32 Table 3 Ma

29、ximum permissible angle of misalignment (in degrees) for a type 4 ESPE depending on the dimensions of the light curtain . 32 4 61496-2 IEC:2013 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SAFETY OF MACHINERY ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT Part 2: Particular requirements for equipment using a

30、ctive opto-electronic protective devices (AOPDs) 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 o

31、n 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, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC P

32、ublication(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, governmental and non-governmental organizations liaising with the IEC also participate in this preparation

33、. 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 or agreements of IEC on technical matters express, as nearly as possible, an international consensus o

34、f 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 international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are mad

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37、tification 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 bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability s

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39、egal 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 publication. Use of the referenced publications is indispensable for the correct application of this p

40、ublication. 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 all such patent rights. International Standard IEC 61496-2 has been prepared by IEC technical committee

41、 44: Safety of machinery Electrotechnical aspects, in collaboration with CENELEC technical committee 44X: Safety of machinery Electrotechnical aspects. This third edition cancels and replaces the second edition published in 2006. It constitutes a technical revision. This edition includes the followi

42、ng significant technical changes with respect to the previous edition: a) Requirements have been corrected and made easier to understand. b) Test procedures have been revised to make them easier to perform and to improve repeatability. c) Guidance is provided for the evaluation and verification of A

43、OPDs using design techniques for which the test procedures of this part are not sufficient. 61496-2 IEC:2013 5 This standard has the status of a product family standard and may be used as a normative reference in a dedicated product standard for the safety of machinery. This standard is to be used i

44、n conjunction with IEC 61496-1:2012. This part supplements or modifies the corresponding clauses in IEC 61496-1. Where a particular clause or subclause of Part 1 is not mentioned in this Part 2, that clause or subclause applies as far as is reasonable. Where this part states “addition“, “modificatio

45、n“ or “replacement“, the relevant text of Part 1 is adapted accordingly. The text of this standard is based on the following documents: CDV Report on voting 44/651/CDV 44/670/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicated in the ab

46、ove table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 61496 series, published under the general title Safety of machinery Electro-sensitive protective equipment can be found on the IEC website. The committee has decided that th

47、e 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 amended. IMPORTAN

48、T The colour inside logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 6 61496-2 IEC:2013 INTRODUCTION Electro-sensitive prot

49、ective equipment (ESPE) is applied to machinery that presents a risk of personal injury. It provides protection by causing the machine to revert to a safe condition before a person can be placed in a hazardous situation. This part of IEC 61496 provides particular requirements for the design, construction and testing of electro-sensitive protective