Curtis Instruments 1234 User Manual

#URTIS-ANUAL/3 
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 4FU@%JH0VU%JH0VU
WILLSET$IGITAL/UTPUT/NACTIVE6#,CANMONITORTHEPRESENTVALUEOF
ADIGITALOUTPUTDRIVERTHEBITVARIABLE$IGX?/UTPUTWHEREhXvISTHEDIGITAL
OUTPUTCHANNELNUMBERISAUTOMATICALLYlLLEDWITHTHEPRESENTVALUEOFTHE
DRIVEROUTPUT/NOR/FF
)TISIMPORTANTTONOTETHATALLOUTPUTSAREACTIVE,OW7ITH07-
ORANOUTPUTOFh/NvTHE&%4ORTRANSISTORWILLBEPULLINGHARDTOGROUND!
$6-ONTHEOUTPUTWILLMEASURENEARVOLTS
0OTENTIOMETER)NPUTS
4HESECONTROLLERSHAVETWOPOTENTIOMETERINPUTSWHICHARETYPICALLYUSEDFOR
THROTTLEANDBRAKE-ANYFEATURESMAPPINGACCELERATIONRATESETCAREBUILT
INASPARAMETERS3TILLTHEREARETIMESTHATTHESEPOTENTIOMETERINPUTS
MAYBENEEDEDFOROTHERFUNCTIONSSUCHASSTEERINGANGLEORHEIGHTSENSING
ORSIMPLYASDATAINPUTS4HESTANDARDWAYTOINPUTPOTINFORMATIONISTOSET
THEPARAMETER4HROTTLE4YPEOR"RAKE4YPETOANAPPROPRIATEVALUEOF
nASSHOWNONPAGESn7HENSETTOAVALUEOFnTHERESULTINGSIGNAL
CHAINCANOPERATEWITHOUTTHEUSEOFANY6#,
(OWEVERIFAN/%-WISHESTOCONTROLTHETHROTTLEORBRAKESIGNALCHAIN
IN6#,ORUSETHETHROTTLEORBRAKEINPUTSFORSIGNALSTHATARENOTTHROTTLEOR
BRAKESIGNALSTHENTHEPARAMETER4HROTTLE4YPEOR"RAKE4YPESHOULD
BESETTOAVALUEOFPAGE3ETTINGTHEPARAMETER4HROTTLE4YPEOR
"RAKE4YPETOAVALUEOFCHANGESTHEROUTINGOFTHEAPPROPRIATESIGNALCHAIN
EITHERTHROTTLEORBRAKEANDALLOWSTHE6#,PROGRAMMERACCESSTOTHE4HROTTLE
0OTOR"RAKE0OTOUTPUTVARIABLESSEE&IGUREPAGE
7HENTHE4HROTTLE4YPESETTINGTHE4HROTTLE?0OT?/UTPUTISA6#,
VARIABLETHATTHE/3WILLUPDATEWITHTHECURRENTVALUEOFTHETHROTTLEPOTINPUT
3IMILARLYWHENTHE"RAKE4YPESETTINGTHE"RAKE?0OT?/UTPUTISA6#,
VARIABLETHATTHE/3WILLUPDATEWITHTHECURRENTVALUEOFTHEBRAKEPOTINPUT
(OWEVERTHEVALUEOFTHE4HROTTLE?0OT?/UTPUTOR"RAKE?0OT?/UTPUTWILL
REMAINCLAMPEDTOZEROUNTILTHE6#,FUNCTION3ETUP?0OTISEXECUTED
4YPICALLYTHE3ETUP?0OTFUNCTIONISEXECUTEDATTHEBEGINNINGOFA6#,
PROGRAMTODElNETHEPOTENTIOMETERINPUTCONNECTIONAS
4(2%%?7)2%USES0OT
(IGHAND0OT,OWCONNECTIONS
47/?7)2%VARIABLERESISTORORRHEOSTATUSES
0OT,OWBUTNOCONNECTIONTO0OT(IGHOR
/.%?7)2%AVOLTAGEINPUTNO
CONNECTIONTOEITHER0OT(IGHOR0OT,OW
4(2%%?7)2%POTENTIOMETERCON
NECTIONSARETHESAMEASTHEWIREPOTENTIOMETERCONNECTIONSSHOWNONPAGE
FORA4HROTTLE4YPE
47/?7)2%POTENTIOMETERCONNECTIONSARETHESAMEAS
THEWIREPOTENTIOMETERCONNECTIONSSHOWNONPAGEFORA4HROTTLE4YPE
/.%?7)2%POTENTIOMETERCONNECTIONSARETHESAMEASTHE6OLTAGE3OURCEOR
#URRENT3OURCECONNECTIONSSHOWNONPAGEFORA4HROTTLE4YPE
.OTETHATTHE3ETUP?0OTFUNCTIONWILLONLYWORKANDISONLYNEEDED
IFTHECORRESPONDING4YPEISSETTO4HROTTLE4YPEOR"RAKE4YPE
 4FUVQ@1PU5)3055-&@1055)3&&@8*3&
WILLSETUPTHETHROTTLEPOTINPUTFORWIRINGUSINGALLTHREECONNECTIONSPINS

6#,

Curtis Instruments 1234 Specifications

General

Brand	Curtis Instruments
Model	1234
Category	Controller
Language	English