muratec DS030 User Manual
APCALARMS
ByDavidSmith,FieldServiceEngineer-Trainer
Problem: Whenevermachineispowereddownandpoweredbackupyoukeepgettinga .. .
"DS0300:APCALARM:NEEDREFERENCERETURN"(31icontrols)
or
"300APCALARM:Nth-AXISORIGINRETURN"(18iorearliercontrols)
Cause:Servoaxisabsolutepositionretainingbatteries
arebad
Solution:Replacebatteries
Explanation: Murataturningcentershavetwosetsof
retainingbatteries.Oneset retainstheabsolute
positioningofeachservoaxis.Thisistheinformationthat
tellsthemachinewhereit ispositionedat alltimes.When
themachineisturnedoff,thebatteriessupplyacurrentto
theencoderwhichstoresallthepositioninginformation
whilepowereddown.Thesebatteriesareusually(8)"0"
Cellbatteriesinstalledin(2)batterycaseslocatedonthe
backsideof themachine.
Ifatanytimewhilethemachineispowereddownthese
batterieslosetheircharge,allinformationstoredonthe
encoderswill belost.Youmustthengothroughthe
processofre-establishingthehomepositionsforallofyourdifferentaxiswhichcanbetimeconsumingand
unnecessary.
Werecommendchangingthesebatteriesonceayearorwheneveryougeta "LOWBATTERY
ALARM",whichevercomesfirst.
Eventhoughsomethingassimpleaschangingbatteries
mightseemunimportant,itcangreatlyaffectthebottom
linebycausingdowntimeandwastedmanpower.
BacksideofMachine"III .
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Belowarepicturesofwherethebatteriesarelocatedand
theprocedurefor changingthe batteries.
NOTE:ALWAYSREMEMBERTOCHANGE
BATTERIESWHILETHEMACHINEISPOWEREDUP
BattervReplacementProcedure
1) PoweronNC.
2) Openthebatterycasecover.
3) Removethebatteriesandreplace.
4) Closethebatterycasecover.
t
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