Curtis Instruments 1238 - Controller Tuning Guide; Selecting Control Mode for Tuning; Speed Mode Tuning Procedures

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#URTIS-ANUAL/3 
45.).''5)$%
-ANYASPECTSOFVEHICLEPERFORMANCECANBEOPTIMIZEDUSINGTHEWIDEVARIETY
OFADJUSTABLEPARAMETERSAVAILABLETOTHECONTROLLERS/NCEA
VEHICLEMOTORCONTROLLERCOMBINATIONHASBEENTUNEDTHEPARAMETERVALUESCAN
BEMADESTANDARDFORTHESYSTEMORVEHICLEMODEL!NYCHANGESINTHEMOTOR
THEVEHICLEDRIVESYSTEMORTHECONTROLLERWILLREQUIRETHATTHESYSTEMBETUNED
AGAINTOPROVIDEOPTIMUMPERFORMANCE
3ELECTINGTHECONTROLMODE SEEPAGE
"EFORESTARTINGTOTUNEYOURVEHICLESPERFORMANCEYOUMUSTSELECTWHICHCON
TROLMODEYOUUSE3ETTHE#ONTROL-ODE3ELECTPARAMETER3PEED-ODE
%XPRESSFOREITHERTRACTIONORPUMPMOTORS3PEED-ODEFOREITHERTRAC
TION
ORPUMP
MOTORSOR4ORQUE-ODEFORTRACTIONMOTORS#YCLE+3)
INPUT/FFANDTHEN/NTOCLEARANYPARAMETERCHANGEFAULTSANDUSETHE
TOCHECKFORFAULTSINTHECONTROLLER4HENPROCEEDTOTHETUNINGSTEPSFORTHE
CONTROLMODEYOUHAVESELECTED
#ONDUCTTHESTEPSINTHESEQUENCEGIVENBECAUSESUCCESSIVESTEPSBUILD
UPONTHEONESBEFORE)TISIMPORTANTTHATTHEEFFECTOFTHESEPROGRAMMABLE
PARAMETERSBEUNDERSTOODINORDERTOTAKEFULLADVANTAGEOFTHES
POWERFULFEATURES0LEASEREFERTOTHEDESCRIPTIONSOFTHEAPPLICABLEPARAMETERS
IN3ECTIONIFTHEREISANYQUESTIONABOUTWHATANYOFTHEMDO
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30%%$-/$%%802%33TUNING SEEPAGE
3PEED-ODE%XPRESSISTHESAMEAS3PEED-ODEWITHTHEEXCEPTIONTHATITHAS
FEWERPARAMETERSANDISTHEREFORESIMPLERTOUSE-OSTVEHICLEAPPLICATIONSWILL
lNDSUCCESSWITH3PEED-ODE%XPRESSHOWEVERFORSOMEAPPLICATIONSVEHICLE
PERFORMANCE CANNOT BE SATISFACTORILY lNETUNED IN 3PEED -ODE %XPRESS )N
THISCASECHANGEYOURCONTROLMODETO3PEED-ODEIESET#ONTROL-ODE
3ELECT
A&ORTRACTIONAPPLICATIONSSET0UMP%NABLETO/FF&OR!#PUMPAPPLICA
TIONS
SETTHISPARAMETER/N
B!DJUST-AX3PEEDTOTHEMAXIMUMSPEEDTHEMOTORSHOULDTURNINTHEVEHICLE
APPLICATIONTHISSPEEDSETTINGCORRESPONDSTOANINPUTOFFULLTHROTTLE
C!DJUST4YPICAL-AX3PEEDPAGETOTHEAPPROXIMATEMAXIMUMSPEED
THATTHEMOTORWILLSPIN4HISISUSUALLYTHESAMEVALUEASTHESETTINGFOR
-AX3PEEDBUTSOMEAPPLICATIONSHAVEA-AX?3PEED?3PD-XTHATCHANGES
INTHE6#,SOFTWARE)FTHE-AX?3PEED?3PD-XCHANGESSET4YPICAL-AX
3PEEDTOTHEHIGHESTSPEEDTHEMOTORISEXPECTEDTOREACH4HISVALUEDOESNOT
NEEDTOBESETPRECISELYSINCEITWILLNOTCHANGEMOTORPERFORMANCE4YPICAL
-AX 3PEED SETS A REFERENCE POINT FOR THE hRATEv PARAMETERS ACCEL DECEL
BRAKERATESSOTHATAPPLICATIONSTHATHAVEACHANGING-AX?3PEED?3PD-X
WILLNOTEXPERIENCECHANGESINTHERATESBECAUSETHERATESAREREFERENCEDTO
THEUNCHANGING4YPICAL-AX3PEEDVALUE/NCEYOUSETTHE4YPICAL-AX
45.).''5)$%
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