IEC 61496-3-2008 Safety of machinery – Electro-sen

IEC61496-3Edition2.02008-02INTERNATIONALSTANDARDNORMEINTERNATIONALESafetyofmachinery–Electro-sensitiveprotectiveequipment–Part3:ParticularrequirementsforActiveOpto-electronicProtectiveDevicesresponsivetoDiffuseReflection(AOPDDR)Sécuritédesmachines–Equipementsdeprotectionélectro-sensibles–Partie3:Exigencesparticulièrespourleséquipementsutilisantdesdispositifsprotecteursoptoélectroniquesactifssensiblesauxréflexionsdiffuses(AOPDDR)INTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEXBICS13.110;31.260PRICECODECODEPRIXISBN2-8318-9588-XCopyrightInternationalElectrotechnicalCommissionProvidedbyIHSunderlicensewithIECNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,```,,,,````-`-`,,`,,`,`,,`---–2–61496-3¤IEC:2008CONTENTSFOREWORD...........................................................................................................................4INTRODUCTION.....................................................................................................................61Scope...............................................................................................................................72Normativereferences........................................................................................................83Termsanddefinitions.......................................................................................................84Requirements...................................................................................................................94.1Functionalrequirements..........................................................................................94.2Designrequirements................................................................................................94.3Environmentalrequirements..................................................................................165Testing...........................................................................................................................185.1General.................................................................................................................185.2Functionaltests.....................................................................................................255.3Performancetestingunderfaultconditions.............................................................325.4Environmentaltests...............................................................................................326Markingforidentificationandforsafeuse.......................................................................466.1General.................................................................................................................467Accompanyingdocuments..............................................................................................46AnnexA(normative)OptionalfunctionsoftheESPE............................................................48AnnexB(normative)CatalogueofsinglefaultsaffectingtheelectricalequipmentoftheESPE,tobeappliedasspecifiedin5.3.................................................................................56AnnexAA(informative)ExamplesoftheuseofanAOPDDRindifferentapplications............57AnnexBB(informative)Relationshipbetweenrangingaccuracyandprobabilityofdetection...............................................................................................................................61Bibliography..........................................................................................................................69Figure1–DetectionzoneofanAOPDDR–Example1.........................................................12Figure2–DetectionzoneofanAOPDDR–Example2.........................................................13Figure3–Minimumdiffusereflectivityofmaterials................................................................15Figure4–Influenceondetectioncapabilitybyincandescentlight–Example1......................19Figure5–Influenceondetectioncapabilitybyincandescentlight–Example2......................20Figure6–Influenceondetectioncapabilitybylightreflectedbythebackground....................21Figure7–Influenceondetectioncapabilitybystroboscopiclight–Example1.......................22Figure8–Influenceondetectioncapabilitybystroboscopiclight–Example2.......................23Figure9–Lightinterferencetest...........................................................................................24Figure10–InterferencebetweentwoAOPDDRsofidenticaldesign......................................25Figure11–Configurationfortheendurancetest–Example1...............................................30Figure12–Configurationfortheendurancetest–Example2...............................................31Figure13a–Testofhomogeneouspollution–ExamplesofdifferentdesignsofAOPDDRhousingsandopticalwindowswithoutfoilforsimulationofhomogeneouspollution.................................................................................................