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#URTIS-ANUAL
/3
7HENAWIREPOTENTIOMETERISUSEDTHECONTROLLERPROVIDESFULLFAULT
PROTECTIONINACCORDANCEWITH%%#REQUIREMENTS4HEPOTISUSEDINITSVOLTAGE
DIVIDERMODEWITHTHECONTROLLERPROVIDINGTHEVOLTAGESOURCEANDRETURN0OT
(IGHPROVIDESACURRENTLIMITED6SOURCETOTHEPOTAND0OT,OWPROVIDES
THERETURNPATH4HISISTHETHROTTLESHOWNINTHEBASICWIRINGDIAGRAM&IGURE
FORTHEDRIVETHROTTLEANDFORTHEBRAKETHROTTLE
4HE%4888ELECTRONICTHROTTLEISTYPICALLYUSEDONLYASADRIVETHROTTLE
4HE%4888CONTAINSNOBUILTINFAULTDETECTIONANDTHECONTROLLERWILLDETECT
ONLYOPENWIPERFAULTS)TISTHERESPONSIBILITYOFTHE/%-TOPROVIDEANYAD
DITIONALTHROTTLEFAULTDETECTIONNECESSARY
4HROTTLE4YPE
&ORTHESEWIRERESISTIVEPOTENTIOMETERSSHOWNIN&IGUREFULLTHROTTLEREQUEST
CORRESPONDSTOK
Ω
MEASUREDBETWEENTHEPOTWIPERPINANDTHE0OT,OWPIN
).34!,,!4)/.7)2).'
4HROTTLE7IRING
"ROKENWIREPROTECTIONISPROVIDEDBYTHECONTROLLERSENSINGTHECURRENTmOW
FROMTHEWIPERINPUTPINOR THROUGHTHEPOTENTIOMETERANDINTO0OT
,OWPIN )FTHE0OT,OWINPUTCURRENTFALLSBELOWM!ATHROTTLE
FAULTISGENERATEDANDTHETHROTTLEREQUESTISZEROED.OTE0OT,OWPIN
MUSTNOTBETIEDTOGROUND"
4HROTTLE4YPE
4YPETHROTTLESOPERATEINWIGWAGSTYLE.OSIGNALSTOTHECONTROLLERSFORWARD
ANDREVERSEINPUTSAREREQUIREDTHEDIRECTIONISDETERMINEDBYTHEWIPERINPUT
VALUE/NLYn6VOLTAGESOURCESANDWIREPOTENTIOMETERSCANBEUSEDAS
4YPETHROTTLES4HECONTROLLERINTERFACEFOR4YPETHROTTLESISTHESAMEASFOR
4YPETHROTTLESSEE&IGURE4HENEUTRALPOINTWILLBEWITHTHEWIPERAT
6MEASUREDBETWEENPOTWIPERINPUTPIN AND)/GROUNDRETURNPIN
4HECONTROLLERWILLPROVIDEINCREASINGFORWARDSPEEDASTHEWIPERINPUTVALUEIS
INCREASEDANDINCREASINGREVERSESPEEDASTHEWIPERINPUTVALUEISDECREASED
7HENAWIREPOTISUSEDTHECONTROLLERPROVIDESFULLFAULTPROTECTION
7HENAVOLTAGETHROTTLEISUSEDTHECONTROLLERWILLDETECTOPENBREAKSINTHE
WIPERINPUTBUTCANNOTPROVIDEFULLTHROTTLEFAULTPROTECTION
&IG
7IRINGFOR4YPE
THROTTLES
Содержание 1232
Страница 95: ... URTIS ANUAL 3 6 IG OTOR COMMAND DIAGRAM ...
Страница 99: ... URTIS ANUAL 3 IG ONTROL ODE PROCESSING 6 ...