Curtis Instruments 1238 User Manual

#URTIS-ANUAL/3 
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45.).''5)$%
3PEEDPARAMETERYOUSHOULDNOTREADJUSTITWITHOUTADJUSTINGALLTHERATE
PARAMETERSASWELL
D+PAND+ITYPICALLYDONOTNEEDTOBECHANGEDASTHEDEFAULTVALUESWILL
WORKWELLINMOSTAPPLICATIONS)FYOUWANTTOADJUST+PFORLOOSERORTIGHTER
FOLLOWINGOFTHESPEEDTRAJECTORYSETBYTHEACCELDECELANDBRAKERATES
FOLLOWTHEPROCEDUREINSTEPhDvINTHE3PEED-ODETUNINGSECTION
E!DJUSTTHE!CCEL2ATEAND$ECEL2ATE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&OR!#PUMPAPPLICATIONSTYPICALLYTHE!CCEL2ATEAND$ECEL2ATE
ARESETVERYFASTFORQUICKRESPONSETOHYDRAULICINPUTS
F !DJUSTTHE"RAKE2ATEASNECESSARYWHILEREVERSINGTHETHROTTLEINPUTIEFULL
THROTTLEFORWARDTOLOWTHROTTLEREVERSEFULLTHROTTLEFORWARDTOFULLTHROTTLE
REVERSEFULLTHROTTLEREVERSETOLOWTHROTTLEFORWARDETC)FABRAKEINPUT
ISPRESENTINTHEAPPLICATION"RAKE0EDAL%NABLE/NCONTINUEADJUSTING
"RAKE2ATEBYAPPLYINGDIFFERENTAMOUNTSOFBRAKETHROTTLEIEFULLTHROTTLE
FORWARDTHENAPPLYFULLBRAKEORFULLTHROTTLEFORWARDTHENAPPLYLOWBRAKE
ETC&OR!#PUMPAPPLICATIONSTHE"RAKE2ATEHASNOEFFECTONPERFORMANCE
SINCETHE!#PUMPWILLNOTRUNINREVERSENORWITHABRAKEINPUT
!#PUMPMOTORAPPLICATIONSWHICHINSTEPhAvHADTHE0UMP%NABLEPARAMETER
SETTO/NMAYALSOBECONTROLLINGHYDRAULICVALVESLOADHOLDVALVEPROPORTIONAL
VALVE4HE0ROPORTIONAL$RIVERPARAMETERSPAGEANDSOME6#,WILLTYPI
CALLY
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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30%%$-/$%TUNING SEEPAGESnAND
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THE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-THAT CHANGESIN
THE6#,SOFTWARE)FTHE-AX?3PEED?3PD-CHANGESSETTHE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4YPI
CAL
-AX3PEEDSETSAREFERENCEPOINTFORTHEhRATEvPARAMETERSACCELDECEL
BRAKERATESSOTHATAPPLICATIONSTHATHAVEACHANGING-AX?3PEED?3PD-
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
3PEEDPARAMETERYOUSHOULDNOTREADJUSTITWITHOUTADJUSTINGALLTHERATE
PARAMETERSASWELL
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Curtis Instruments 1238 Specifications

General

Brand	Curtis Instruments
Model	1238
Category	Controller
Language	English