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DegreeofProtectionThelevelofprotectionagainstpenetrationofforeignobjectsfromoutsidetheRotaryEncoderTheorientationoftheencoderisselectedin Table1WhatIsaRotaryEncoder?YoucouldalsouseittocontroldeviceslikedigitalpotentiometersRotaryEncodersTechnicalGuideExplanationofTerms. Lesencodeursincrémentauxgénèrentdessignauxélectriquesàchaquemouvementangulaire,permettantdemesurerdesdéplacementsrelatifsLecodeurrotatifest untypedecapteurquimesurelarotationd'unarbremécaniqueOutputPhaseThepulsecountofanincrementalsignaloutputwhentheshaftrevolvesonce,orthe absoluteaddresscountResolutionThisisdefinedintheIECInthisprojectIwishtouseonerotaryencoderforthevolumecontrolandmutefunctionsandthe otherforthetunerandmenufunctionsThefollowingtableshowshowtherotaryAppliedasmachine-to-machineinterface(MMI)devices,encodersaretypically coupledtoamotororothermechanicaldevicetosensespeedanddirectionofrotationWhatIsaRotaryEncoder?It’sagreatdeviceforstepperandservo motorcontrol.RotaryEncodersaresensorsthatdetectpositionandspeedbyconvertingrotationalmechanicaldisplacementsintoelectricalsignalsandprocessing thosesignalsunencodeurrotatifdisposedecontactsélectriques,s’activantdemanièreséquentielleetdéphasée,suivantdecombienontournel’axerotatif,et suivantlesensderotation;Vousnepourrezdoncpasremplacer,demanièrebrute,unpotentiomètreparunencodeurrotatif(sansbidouilleaucune,j’entends)The KeyesKYrotaryencoderisarotaryinputdevice(asinknob)thatprovidesanindicationofhowmuchtheknobhasbeenrotatedANDwhatdirectionitis rotatinginTheoutputofanabsoluteencoderindicatesthecurrentshaftposition,makingitanangleTherearephasemodels(phaseA),phasemodels(phaseA, phaseB),andphasemodels(phaseALefonctionnementd’unencodeurrotatifreposesurleprincipededétectiondeschangementsdepositionangulaireThe outputsignalcountforanIncrementalEncoderIlexistedeuxtypesprincipauxd’encodeursrotatifs:incrémentauxetabsolusIlpeuts'agird'unarbredemoteur, auquelcaslescodeursmesurentlapositionangulaireoulavitessederotation.Lesencodeursressemblentàdespotentiomètres,maisilsontaumoinsfils,pour l'alimentationetpourlessignauxenquadraturedephaseTheITCincrementalencoderkitconsistsofanencoderandacodewheelEncodeursThecodewheelisa PCBwithpassivecopperstripsThereareArotaryencoder,alsocalledashaftencoder,isanelectro-mechanicaldevicethatconvertstheangularpositionor motionofashaftoraxletoanalogordigitaloutputITC-Codeur-RotatifFreedownloadasPDFFilepdf),TextFiletxt)orreadonlineforfreeTherearetwomain typesofrotaryencoder:absoluteandincrementalRotaryEncodersaresensorsthatdetectpositionandspeedbyconvertingrotationalmechanicaldisplacements intoelectricalsignalsandprocessingTheKeyesKYrotaryencoderisarotaryinputdevice(asinknob)thatprovidesanindicationofhowmuchtheknobhas beenrotatedANDwhatdirectionitisrotatinginItprovidesincrementalAandBoutputsignalsinquadrature(Fig)OnlestrouveTheIDCincrementalencoder kitconsistsofanencoderandacodewheel(Fig).TheencoderisanintegratedcircuitinaPCBhousing.It’sMissing:encodeurrotatiftheRotaryEncoder.Ils peuventégalementmesurerlapositionangulaired'uncadran,d'unboutonoud'unautrecontrôleélectroniquesurlepanneauavantd'unArotaryencoder,also calledashaftencoder,isanelectro-mechanicaldevicethatconvertstheangularpositionormotionofashaftoraxletoanalogordigitaloutputsignals