Curtis Instruments 1238 User Manual

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02/'2!--!",%0!2!-%4%23 %-"RAKE#ONTROL0ARAMETERS
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 0!2!-%4%2 2!.'% $%3#2)04)/.
3ET3PEED4HRESHOLD nRPM $ETERMINESTHESPEEDBELOWWHICHTHE%-BRAKEWILLBECOMMANDED
3ET?3PEED?4HRESHOLD n TOSET3ETTINGTHISSPEEDTOOHIGHMAYCAUSEAJERKYSTOPWHENTHE%-
BRAKESETSANDSTOPSTHEMOTOR
2ELEASE$ELAY nMSEC %STIMATEDTIMEFORTHE%-BRAKETOPHYSICALLYRELEASEAFTERTHEPULLIN
%-?"RAKE?2ELEASE?$ELAY n VOLTAGEISAPPLIED4HISISUSEDTOENSURETHEPOSITIONHOLDTORQUEBUILDUP
ISCOMPLETEBEFORETHEBRAKERELEASES7HENSETTOOLOWTHEVEHICLEMAY
EXPERIENCEROLLBACKON%-BRAKERELEASE
3ET3PEED3ETTLING4IME nMSEC $ETERMINESHOWLONGTHEPOSITIONHOLDFUNCTIONISALLOWEDTOOPERATE
3ET?3PEED?3ETTLING?4IME n BEFORETHE%-BRAKEISSET4HISTIMESHOULDBESETLONGENOUGHFORTHE
POSITIONHOLDTOSETTLE
 .
OTE4HISPARAMETERISAPPLICABLEONLYWHEN3PEED-ODEOR3PEED
-O
DE%XPRESSISSELECTEDANDEITHER0OSITION(OLD%NABLE/NOR%-
"RAKE4YPE
4ORQUE0RELOAD$ELAY nMSEC %STIMATEDWORSTCASETIMETOBUILDUPTHETORQUEREQUIREDTOHOLDTHE
%-?"RAKE?4ORQUE?0RELOAD? n VEHICLESTATIONARYONAHILLPRIORTO%-BRAKERELEASE4HISISUSEDIN
$ELAY  CONJUNCTIONWITH2ELEASE$ELAYTODETERMINEWHENTORELEASETHEBRAKE
ANDALLOWTHESPEEDREQUESTTOSLEWAWAYFROMZERO
 .
OTE4HISPARAMETERISAPPLICABLEONLYWHEN3PEED-ODEOR3PEED
-O
DE%XPRESSISSELECTEDANDEITHER0OSITION(OLD%NABLE/NOR%-
"RAKE4YPE
4ORQUE0RELOAD%NABLE /N/FF 7HENENABLEDTHISFUNCTIONELIMINATESROLLBACKWHENTHETHROTTLEIS
%-?"RAKE?4ORQUE?0RELOAD?%NABLE /N/FF REENGAGEDONARAMPBYFORCINGTHEVEHICLETOlRSTENTERPOSITIONHOLD
%-?"RAKE?4ORQUE?0RELOAD?  BEFORESETTINGTHE%-BRAKEANDTHENhREMEMBERINGvTHEAMOUNTOFTORQUE
 %NABLE?"IT;"IT=  THATWASNECESSARYTOHOLDITONTHERAMP7HENTHROTTLEISREENGAGED
  THISVALUEISLOADEDINTHEMOTORBEFORETHE%-BRAKEISRELEASED4HE
TORQUEVALUEISCLEAREDAUTOMATICALLYWHEN+3)POWERISCYCLED

/FF
7HENAVALIDTHROTTLEINPUTISRECEIVEDTHESPEEDCONTROLLERWILL
STARTWITHNOTORQUEPRELOADASSOONASTHE2ELEASE$ELAYEXPIRES4HISWILL
ALLOWSOMEROLLBACKWHENTHE%-BRAKERELEASES

/N7HENAVALIDTHROTTLEINPUTISRECEIVEDTHESPEEDCONTROLLERWILL
STARTWITHAPRESETTORQUEASMEASUREDBYPOSITIONHOLDWHENTHEVEHICLE
CAMETOASTOP
 .
OTE4HISPARAMETERISAPPLICABLEONLYWHEN3PEED-ODEOR3PEED
-O
DE%XPRESSISSELECTEDANDEITHER0OSITION(OLD%NABLE/NOR%-
"RAKE4YPE
4ORQUE0RELOAD#ANCEL$ELAY nSEC 4HETIMERSTARTSAFTERTHE%-BRAKEISSET)FTHETIMEREXPIRESBEFORETHE
%-?"RAKE?4ORQUE?0RELOAD? n THROTTLEISREENGAGEDTHETORQUEPRELOADMEMORYWILLBECLEARED3ETTING
 #ANCEL?$ELAY  THISPARAMETERTOZERODISABLESTHETIMERIETHEPRELOADISNEVERCAN
CELLED
4HE
PURPOSEOFTHISDELAYISTOPREVENTTHEVEHICLEFROMLUNGING
FORWARDIFITISUNLOADEDONAHILLSUCHTHATTHETORQUEMEASUREDBY
POSITIONHOLD
ISNO
LONGERVALID
 .
OTE4HISPARAMETERISAPPLICABLEONLYWHEN4ORQUE0RELOAD%NABLE
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SEECONDITIONSABOVE

Curtis Instruments 1238 Specifications

General

Brand	Curtis Instruments
Model	1238
Category	Controller
Language	English