ANSI UL 61496-2-2002 UL Standard for Safety Electro-Sensitive Protective Equipment Part 2 Particular Requirements for Equipment Using Active Opto-Electronic Protective Devices (AOP.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 61496-2Electro-Sensitive ProtectiveEquipment, Part 2: ParticularRequirements for EquipmentUsing Active Opto-ElectronicProtective Devices (AOPDs)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTH

2、ER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL Standard for Safety for Electro-Sensitive Protective Equipment, Part 2: Particular Requirements forEquipment Using Active Opto-Electron

3、ic Protective Devices (AOPDs), UL 61496-2First Edition, Dated January 29, 2002Summary of TopicsThis revision to ANSI/UL 61496-2 is issued to reaffirm the ANSI approval. No technical changeshave been made to the document.The revised requirements are substantially in accordance with Proposal(s) on thi

4、s subject dated April 15,2011.Text that has been changed in any manner or impacted by ULs electronic publishing system is markedwith a vertical line in the margin.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means,

5、 electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL

6、 be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Standard, even if UL or an authorized UL representative has been advised of thepossibil

7、ity of such damage. In no event shall ULs liability for any damage ever exceed the price paid forthis Standard, regardless of the form of the claim.Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold ULharmless from and against any loss, expense, liabili

8、ty, damage, claim, or judgment (including reasonableattorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronicStandard on the purchasers computer system.The requirements in this Standard are now in effect, except for those paragraphs, sections, tables,

9、figures,and/or other elements of the Standard having future effective dates as indicated in the preface. The priortext for requirements that have been revised and that have a future effective date are located after theStandard, and are preceded by a SUPERSEDED REQUIREMENTS notice.SEPTEMBER 20, 2011

10、UL 61496-2 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSEPTEMBER 20, 2011 UL 61496-2tr2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJANUARY 29, 2002(Title P

11、age Reprinted: September 20, 2011)1UL 61496-2Standard for Electro-Sensitive Protective Equipment, Part 2: ParticularRequirements for Equipment Using Active Opto-Electronic ProtectiveDevices (AOPDs)First EditionJanuary 29, 2002This ANSI/UL Standard for Safety consists of the First edition including r

12、evisionsthrough September 20, 2011.The most recent designation of ANSI/UL 61496-2 as a Reaffirmed AmericanNational Standard (ANS) occurred on September 20, 2011. ANSI approval for astandard does not include the Cover Page, Transmittal Pages, Title Page,Preface, or effective date information. The Nat

13、ional Difference Page and IECForeword are also excluded from the ANSI approval of IEC-based standards. Anyother portions of this ANSI/UL standard that were not processed in accordancewith ANSI/UL requirements are noted at the beginning of the impacted sections.Comments or proposals for revisions on

14、any part of the Standard may besubmitted to UL at any time. Proposals should be submitted via a ProposalRequest in ULs On-Line Collaborative Standards Development System (CSDS)at http:/.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electroniccopy of a Standard should be alter

15、ed in any way. All of ULs Standards and allcopyrights, ownerships, and rights regarding those Standards shall remain thesole and exclusive property of UL.COPYRIGHT 2011 UNDERWRITERS LABORATORIES INC.ANSI/UL 61496-2-2001(R2011)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBU

16、TION WITHOUT PERMISSION FROM ULSEPTEMBER 20, 2011UL 61496-22No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSNATIONAL DIFFERENCES .7Foreword (IEC) .8INTRODUCTION (IEC) .9SAFETY OF MACHINERY ELECTRO-SENSITIVE PROTECTI

17、VE EQUIPMENT Part 2: Particularrequirements for equipment using active opto-electronic protective devices (AOPDs)1 Scope 102 Normative references .103 Definitions 104 Functional, design and environmental requirements 114.1 Functional requirements 124.2 Design requirements .134.3 Environmental requir

18、ements 165 Testing .165.1 General 165.2 Functional tests .175.4 Environmental tests 226 Marking for identification and safe use 266.1 General 267 Accompanying documents 26Annex 2.DVA TerminologyINDEXSEPTEMBER 20, 2011 UL 61496-2 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDIST

19、RIBUTION WITHOUT PERMISSION FROM ULPreface (UL)This UL Standard 61496-2, Standard for Safety for Electrosensitive Protective Equipment, Part 2:Particular Requirements for Equipment Using Active Opto-Electronic Protective Devices (AOPDs), is to beused in conjunction with the first edition of UL 61496

20、-1. The requirements for 61496-2 are contained inthis Part 2 Standard and UL 61496-1.Requirements of this Part 2 Standard, where stated, amend the requirements of UL 61496-1.Where a particular subclause of UL 61496-1 is not mentioned in UL 61496-2, the UL 61496-1 subclauseapplies.The text, figures a

21、nd tables of IEC Publication Safety of Machinery Electro-Sensitive ProtectiveEquipment Part 2: Particular Requirements for Equipment Using Active Opto-Electronic ProtectiveDevices (AOPDs), IEC 61496-2 copyright 1997 are used in this Standard with the consent of the IEC andthe American National Stand

22、ards Institute (ANSI). The IEC copyrighted material has been reproducedwith permission from ANSI. ANSI should be contacted regarding the reproduction of any portion of the IECmaterial. The IEC Foreword and Introduction are not a part of the requirements of this Standard, but areincluded for informat

23、ion purposes only. Copies of IEC Publication 61496-2 may be purchased from ANSI,11 West 42nd Street, New York, New York, 10036, (212) 642- 4900.Note Although the intended primary application of this Standard is stated in its Scope, it is important to notethat it remains the responsibility of the use

24、rs of the Standard to judge its suitability for their particular purpose.UL Effective DateThe effective date for UL 61496-2, First Edition is September 20, 2011.A UL effective date is one established by Underwriters Laboratories Inc. and is not part of the ANSIapproved standard.SEPTEMBER 20, 2011UL

25、61496-24UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFEBRUARY 27, 2007 UL 61496-2 5No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis page intentionally left bla

26、nk.FEBRUARY 27, 2007UL 61496-26UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNATIONAL DIFFERENCESThere are five types of National Differences as noted below. The difference type is noted on the first lineof the National Difference in the sta

27、ndard. The standard may not include all types of these NationalDifferences.DR These are National Differences based on the national regulatory requirements.D1 These are National Differences which are based on basic safety principles and requirements,elimination of which would compromise safety for co

28、nsumers and users of products.D2 These are national differences from IEC requirements based on existing safety practices. Theserequirements reflect national safety practices, where empirical substantiation (for the IEC or nationalrequirement) is not available or the text has not been included in the

29、 IEC standard.DC These are National Differences based on the component standards and will not be deleted untila particular component standard is harmonized with the IEC component standard.DE These are National Differences based on editorial comments or corrections.Each national difference contains a

30、 description of what the national difference entails. Typically one of thefollowing words is used to explain how the text of the national difference is to be applied to the base IECtext:Addition / Add - An addition entails adding a complete new numbered clause, subclause,table, figure, or annex. Add

31、ition is not meant to include adding select words to the base IECtext.Modification / Modify - A modification is an altering of the existing base IEC text such as theaddition, replacement or deletion of certain words or the replacement of an entire clause,subclause, table, figure, or annex of the bas

32、e IEC text.Deletion / Delete - A deletion entails complete deletion of an entire numbered clause,subclause, table, figure, or annex without any replacement text.SEPTEMBER 20, 2011 UL 61496-2 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINT

33、ERNATIONAL ELECTROTECHNICAL COMMISSIONSAFETY OF MACHINERY ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT Part 2, ParticularRequirements for Equipment Using Active Opto-Electronic Protective Devices (AOPDs)Foreword (IEC)1) The IEC (International Electrotechnical Commission) is a worldwide organization for st

34、andardizationcomprising all national electrotechnical committees (IEC National Committees). The object of the IEC is topromote international co-operation on all questions concerning standardization in the electrical andelectronic fields. To this end and in addition to other activities, the IEC publi

35、shes International Standards.Their preparation is entrusted to technical committees; any IEC National Committee interested in thesubject dealt with may participate in this preparatory work. International, governmental andnon-governmental organizations liaising with the IEC also participate in this p

36、reparation. The IECcollaborates closely with the International Organization for Standardization (ISO) in accordance withconditions determined by agreement between the two organizations.2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, aninternation

37、al consensus of opinion on the relevant subjects since each technical committee hasrepresentation from all interested National Committees.3) The documents produced have the form of recommendations for international use and are published inthe form of standards, technical reports or guides and they a

38、re accepted by the National Committees inthat sense.4) In order to promote international unification, IEC National Committees undertake to apply IECInternational Standards transparently to the maximum extent possible in their national and regionalstandards. Any divergence between the IEC Standard an

39、d the corresponding national or regionalstandard shall be clearly indicated in the latter.5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsiblefor any equipment declared to be in conformity with one of its standards.6) Attention is drawn to the possibil

40、ity that some of the elements of this International Standard may be thesubject of patent rights. The 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 44: Safety ofmachinery Electrotechnical

41、 aspects, in collaboration with CENELEC technical committee 44X: Safety ofmachinery Electrotechnical aspectsThe text of this standard is based on the following documents:FDIS Report on voting44/2O8/FDIS 44/212/RVDFull information on the voting for the approval of this standard can be found in the re

42、port of votingindicated in the above table.JANUARY 29, 2002UL 61496-28UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION (IEC)An electro-sensitive protective equipment (ESPE) is applied to machinery that presents a risk of personalin

43、jury. It provides protection by causing the machine to revert to a safe condition before a person can beplaced in a hazardous situation.This part of International Standard IEC 61496 provides general design and performance requirements ofESPEs for use over a broad range of applications. Essential fea

44、tures of equipment meeting therequirements of this standard are the appropriate level of safety-related performance provided and thebuilt-in periodic functional checks/self-checks-that are specified to ensure that this level of performance ismaintained.This part supplements or modifies the correspon

45、ding clause in IEC 61496-1.Where a particular clause or subclause of part 1 is not mentioned in this part 2, that clause or subclauseapplies as far as is reasonable. Where this part states addition, modification or replacement, therelevant text of part 1 is to be adapted accordingly.This standard ha

46、s the status of a product family standard and may be used as a normative reference ina dedicated product standard for the safety of machinery.Each type of machine presents its own particular hazards and it is not the purpose of this standard torecommend the manner of application of the ESPE to any p

47、articular machine. The application of the ESPEshould be a matter for agreement between the equipment supplier, the machine user and the enforcingauthority; in this context, attention is drawn to the relevant guidance established internationally, forexample ISO/TR 12100.JANUARY 29, 2002 UL 61496-2 9U

48、L COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSAFETY OF MACHINERY ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT Part 2: Particularrequirements for equipment using active opto-electronic protective devices (AOPDs)1 ScopeThis clause of part 1 is repla

49、ced by the following:This part of IEC 61496 specifies requirements for the design, construction and testing of ELECTRO-SENSITIVEPROTECTIVE EQUIPMENT (ESPE) for the safeguarding of machinery, employing ACTIVE OPTO-ELECTRONIC PROTECTIVEDEVICES (AOPDS) for the sensing function. Special attention is directed to features that ensure an appropriatesafety-related performance is achieved. An ESPE may include optional safety-related functions, therequirements for which are given in annex A of part 1.This part does not s