Curtis Instruments 1232 - Brake Processing


#URTIS-ANUAL/3 
"RAKE0ROCESSING
"RAKEPROCESSINGISOPTIONALASITCANBETURNED/FFBYSETTING"RAKE?0EDAL?%N
ABLE/FFSEEPAGE)FTURNED/NBRAKEPROCESSINGCANBEDONEWITHOR
WITHOUT6#,!NYNONZEROBRAKECOMMANDWILLTHENOVERRIDETHETHROTTLESIGNAL
ANDTHEMOTORCONTROLLERWILLBRAKETOASTOPASDETERMINEDBYTHEPARAMETERS
"RAKE#URRENT,IMITPAGEAND"RAKE4APER3PEEDPAGE
4HELOWERPARTOF&IGURESHOWSTHEBRAKESIGNALPROCESSINGSECTION
4HEBRAKESIGNALCHAINmOWSFROMLEFTTORIGHTSTARTINGWITHTHEPHYSICALBRAKE
POT4HEVOLTAGEONTHEBRAKEWIPERINPUTPINISINPUTINTOTHECONTROL
LER
ANDHAS
THE6#,VARIABLENAME0OT?2AWWHICHISDISPLAYEDINTHE
-ONITOR
w)NPUTSMENU4HISBRAKESIGNALISTHENMODIlEDBYTHE"RAKE4YPE
0ROCESSINGAND"RAKE-APPINGBLOCKS
4HE"RAKE4YPE0ROCESSINGBLOCKUSESTHE"RAKE?4YPEPARAMETERPAGE
A
ND
THEBRAKEPOTENTIOMETERINPUT0OT?2AWTOCREATEASIGNEDBITVARIABLE
4HISBRAKESIGNALTHENPASSESTOTHE"RAKE-APPINGBLOCKWHICHRESHAPESTHE
BRAKESIGNALACCORDINGTOTHEVARIOUS"RAKE-ENUPARAMETERSPAGE
4HESIGNALTHENPASSESTHROUGHASELECTORSWITCH)FTHE"RAKE?4YPEPA
RAMETER
ISSET
TO"RAKE4YPE6#,INPUTSEEPAGETHE"RAKE-APPING
BLOCKOUTPUTSIGNALISIGNOREDANDTHECOMMANDCOMESFROMTHE6#,VARIABLE
6#,?"RAKE4HE6#,PROGRAMMANIPULATESTHE6#,?"RAKEVARIABLETOGETA
BRAKECOMMAND#USTOMBRAKINGFUNCTIONSCANBESETUPINTHISFASHIONEG
BRAKINGBASEDONASWITCHPOSITIONORANINTERNALFAULT4HEBRAKEPOTENTIOMETER
CANSTILLBEUSEDBUTMUSTBESETUPUSINGTHE3ETUP?0OTFUNCTION7HENTHE
"RAKE4YPEISSETTOnTHEVARIABLE6#,?"RAKEDOESNOTHINGANDTHE"RAKE
-APPINGBLOCKOUTPUTSIGNALPASSESTHROUGH
!FTERTHEh"RAKE4YPEvSWITCHTHEBRAKESIGNALPASSESTHROUGHALIMITER
WHICHLIMITSTHEBRAKESIGNALTOARANGEOFnn!FTERTHELIMITER
THEBRAKESIGNALISA6#,VARIABLECALLED-APPED?"RAKEWHICHISDISPLAYEDIN
THE-
ONITOR
w)NPUTSMENU#HECKINGTHEVALUEOF-APPED?"RAKEUSING
THEISAGOODWAYTOSEEIFYOUR"RAKE-ENUPARAMETERSARESETCORRECTLY
!6#,PROGRAMCANCONTROLTHEBRAKEBYCHANGINGTHEVARIABLE6#,?"RAKE
ONLYIF"RAKE4YPE
4HEBRAKESIGNALTHENGOESTHROUGHASECONDSELECTORSWITCHTHATWILLSET
THEBRAKESIGNALIFTHE"RAKE0EDAL%NABLEPARAMETERPAGEISSET/FF
)
FSET
/NTHENTHEBRAKESIGNALWILLPASSTHROUGH4HEBRAKESIGNALAFTERTHIS
SECOND SELECTOR SWITCH IS A 6#, VARIABLE CALLED "RAKE?#OMMANDWHICH IS
DISPLAYEDINTHE-
ONITOR
w)NPUTSMENU
"RAKE?#OMMANDISTHElNALVALUEOFTHEBRAKESIGNALCHAINTHATISINPUT
TOTHE#ONTROL-ODE0ROCESSINGBLOCKSEE&IGURE#HECKINGTHEVALUEOF
"RAKE?#OMMANDUSINGTHEISAGOODWAYTOSEETHElNALBRAKESIGNAL
)F"RAKE?#OMMANDISNONZEROIN3PEED-ODE%XPRESSOR3PEED-ODETHE
6#,