Curtis Instruments 1238 - Page 116

#URTIS-ANUAL/3 

$)!'./34)#342/5",%3(//4).'
4ABLE 42/5",%3(//4).'#(!24CONTINUED
  02/'2!--%2,#$$)30,!9

#/$%

%&&%#4/&&!5,
4

0/33)",%#!53%

3%4#,%!2#/.$)4)/.3

  3EVERE/VERVOLTAGE  3EE-ONITORMENUw"ATTERY 3ET#APACITORBANKVOLTAGEEXCEEDED

3HUTDOWN-OTOR
  #APACITOR6OLTAGE THE3EVERE/VERVOLTAGELIMITSEEPAGE
 3HUTDOWN-AIN#ONTACTOR  "ATTERYMENUPARAMETERSARE WITH&%4BRIDGEENABLED

3HUTDOWN%-"RAKE
  MISADJUSTED #LEAR"RINGCAPACITORVOLTAGEBELOW

3HUTDOWN4HROTTLE
  "ATTERYRESISTANCETOOHIGHFORGIVEN 3EVERE/VERVOLTAGELIMITANDTHEN

&ULL"RAKE
  REGENCURRENT CYCLE+3)

3HUTDOWN0UMP
  "ATTERYDISCONNECTEDWHILEREGENBRAKING
  #ONTROLLER/VERTEMP#UTBACK  3EE-ONITORMENUw#ONTROLLER 3ET(EATSINKTEMPERATUREEXCEEDED#

2EDUCEDDRIVEANDBRAKE
  4EMPERATURE #LEAR"RINGHEATSINKTEMPERATUREBELOW
 TORQUE  #ONTROLLERISPERFORMANCELIMITED #
    ATTHISTEMPERATURE
    #ONTROLLERISOPERATINGINANEXTREME
    ENVIRONMENT 
    %XCESSIVELOADONVEHICLE
    )MPROPERMOUNTINGOFCONTROLLER
  5NDERVOLTAGE#UTBACK  .ORMALOPERATION&AULTSHOWSTHAT 3ET#APACITORBANKVOLTAGEDROPPEDBELOW

2EDUCEDDRIVETORQUE
  THEBATTERIESNEEDRECHARGING THE5NDERVOLTAGELIMITSEEPAGEWITH
    #ONTROLLERISPERFORMANCELIMITED THE&%4BRIDGEENABLED
    ATTHISVOLTAGE #LEAR"RINGCAPACITORVOLTAGEABOVETHE
    "ATTERYPARAMETERSAREMISADJUSTED 5NDERVOLTAGELIMIT
   .ONCONTROLLERSYSTEMDRAINONBATTERY
    "ATTERYRESISTANCETOOHIGH
    "ATTERYDISCONNECTEDWHILEDRIVING
    3EE-ONITORMENUw"ATTERY 
   #APACITOR6OLTAGE
    "LOWN"FUSEORMAINCONTACTOR 
   DIDNOTCLOSE
  /VERVOLTAGE#UTBACK .ORMALOPERATION&AULTSHOWSTHAT 3ET#APACITORBANKVOLTAGEEXCEEDEDTHE

2EDUCEDBRAKETORQUE
  REGENBRAKINGCURRENTSELEVATEDTHE /VERVOLTAGELIMITSEEPAGEWITHTHE
    BATTERYVOLTAGEDURINGREGENBRAKING &%4BRIDGEENABLED
    #ONTROLLERISPERFORMANCELIMITED #LEAR"RINGCAPACITORVOLTAGEBELOWTHE
    ATTHISVOLTAGE /VERVOLTAGELIMIT
    "ATTERYPARAMETERSAREMISADJUSTED
   "ATTERYRESISTANCETOOHIGHFORGIVEN
    REGENCURRENT
    "ATTERYDISCONNECTEDWHILEREGENBRAKING 
   3EE-ONITORMENUw"ATTERY
    #APACITOR6OLTAGE
  63UPPLY&AILURE  %XTERNALLOADIMPEDANCEONTHE 3ET6SUPPLYPINOUTSIDETHE

.ONEUNLESSAFAULTACTION

  6SUPPLYPINISTOOLOW 6ÒRANGE
 ISPROGRAMMEDIN6#,  3EE-ONITORMENUwOUTPUTS #LEAR"RINGVOLTAGEWITHINRANGE
    6OLTSAND%XT3UPPLY#URRENT
  $IGITAL/UT/VERCURRENT  %XTERNALLOADIMPEDANCEON$IGITAL 3ET$IGITAL/UTPUTPINCURRENT

$IGITAL/UTPUTDRIVER

  /UTPUTDRIVERPINISTOOLOW EXCEEDEDM!
 WILLNOTTURNON #LEAR2EMEDYTHEOVERCURRENTCAUSE
     ANDUSETHE6#,FUNCTION
3ET?$IG/UT
     TOTURNTHEDRIVERONAGAIN