Curtis Instruments 1238 - Torque Mode Tuning Procedures

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F )NTHE3PEED-ODEw2ESPONSEMENUADJUSTTHEREMAININGTHREEBRAKERATE
PARAMETERSASNECESSARYWHILEREVERSINGTHETHROTTLEINPUTIEFULLTHROTTLE
FORWARDTOLOWTHROTTLEREVERSEFULLTHROTTLEFORWARDTOFULLTHROTTLEREVERSE
FULLTHROTTLEREVERSETOLOWTHROTTLEFORWARDETC 
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)FABRAKEINPUTISPRESENTINTHEAPPLICATION"RAKE0EDAL%NABLE/N
CONTINUEADJUSTINGTHESETHREEBRAKERATESBYAPPLYINGDIFFERENTAMOUNTSOF
BRAKETHROTTLEIEFULLTHROTTLEFORWARDTHENAPPLYFULLBRAKEORFULLTHROTTLE
FORWARDTHENAPPLYLOWBRAKEETC&OR!#PUMPAPPLICATIONSTHESEPA
RAMETERS
HAVE
NOEFFECTONPERFORMANCESINCETHE!#PUMPWILLNOTRUNIN
REVERSENORWITHABRAKEINPUT
G4HEPARAMETERSINTHE3PEED-ODE
w2ESPONSEw&INE4UNINGMENUTYPICALLY
DONOTNEEDTOBECHANGEDASTHEDEFAULTVALUESWORKWELLINMOSTAPPLICA
TIONS
!
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MOTORAPPLICATIONSWHICHINSTEPhAvHADTHE0UMP%NABLEPARAMETER
SETTO/NMAYALSOBECONTROLLINGHYDRAULICVALVESLOADHOLDVALVEPROPORTIONAL
VALVE4HE0ROPORTIONAL$RIVERPARAMETERSPAGEANDSOME6#,WILLTYPI
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BEUSEDTOSETUPTHECONTROLOFTHESEVALVEDRIVEROUTPUTS#ONSULTWITH
YOUR#URTISCUSTOMERSUPPORTENGINEERREGARDINGHYDRAULICVALVECONTROL
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4/215%-/$%TUNING SEEPAGESn
A3ET-AX3PEEDTOTHEMAXIMUMSPEEDYOUWANTTOLIMITTHEMOTORTO
B +P+IAND+DTYPICALLYDONOTNEEDTOBECHANGEDASTHEDEFAULTVALUESWILL
WORKWELLINMOSTAPPLICATIONS4HESEPARAMETERSCONTROLHOWTIGHTLYTHE
CONTROLLERLIMITSTHESPEEDOFTHEMOTORTOTHEPROGRAMMED-AX3PEED
C 3ET4YPICAL-AX3PEEDPAGETOTHEEXPECTEDMAXIMUMSPEEDOFTHEMOTOR
D!DJUSTTHEPARAMETERSSHOWNIN&IGUREPAGETOSETUPTHETHROTTLE
MAPPING
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2EGEN#URRENT,IMIT
#URRENT,IMITSMENUPAGE
s $RIVE#URRENT,IMIT#URRENT,IMITSMENUPAGE
s 2ESTRAINT&ORWARD2ESTRAINT"ACK2ESTRAINTMENUPAGE
s .EUTRAL"RAKING4ORQUE-ODEw2ESPONSEMENUPAGE
s .EUTRAL4APER3PEED4ORQUE-ODEw2ESPONSEMENUPAGE
s #REEP4ORQUE4ORQUE-ODEw2ESPONSEw&INE4UNINGMENUPAGE
E )NTHE4ORQUE-ODE
w2ESPONSEMENUADJUSTTHEFOURACCELDECELANDRELEASE
RATEPARAMETERSASNECESSARYWHILEMOVINGTHETHROTTLETODIFFERENTPOSITIONS
IENEUTRALTOFULLTHROTTLEHALFTHROTTLETOFULLTHROTTLEFULLTHROTTLETOHALF
THROTTLEFULLTHROTTLETONEUTRALNEUTRALTOLOWTHROTTLEETC
F 4HEOTHERPARAMETERSINTHE4ORQUE-ODE
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TYPICALLYMAYNEEDTOBECHANGEDFORSOMEAPPLICATIONS2EADTHEPARAMETER
DESCRIPTIONSANDADJUSTASNECESSARY
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