
Control Module Configuration
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5.2.3 Blanking
Ifamachinefixtureorotherequipmentwillcontinuouslyblock
oneormorebeams,theaffectedbeamchannelsmaybeblanked.
TheBlankingoptioncausesthecontrolmoduletoignorethe
statusofblankedbeamsformeasurementmodecalculations.
Forexample,ifamachinefixtureblocksoneormorebeams
duringSystemoperation,theoutputdatawillbeincorrect;if
beamsblockedbythefixtureareblanked,theoutputdatawillbe
correct.Blankingmaybeconfiguredusingthepush-button
Alignmentswitchonthecontrolmodule,orbyusingthesystem
softwareandacomputer.
Push-Button Blanking Setup Routine
To specify blanking using the control module’s Alignment
switch,(seeFigure5.4)positiontheobjectorparttobeignored
inthepathofthebeamsbeforebeginningtheAlignmentroutine.
PresstheAlignmentswitchfor3seconds;theDiagnostics
Indicatorwillshowtheletter‘A’.PresstheAlignmentswitch
again,butthistimeonlymomentarily(about0.5secondsmax.).
TheDiagnosticsIndicatorwillshowtheletter‘b’toindicateitis
readyto“learn”theblankingpattern.Again,momentarilypress
theAlignmentswitchtosettheblankingfields.Boththecontrol
moduleandthereceiverwillindicateaclearcondition(green
AlignindicatorON)andtheDiagnosticsIndicatorwillshow‘A.’
(theperiodfollowingthe‘A’indicatesthatblankingisinuse).
Thebeamsblockedduringtheroutinearenowblanked.Toreturn
toRunmode,againpresstheAlignmentswitchfor3seconds.
WhentheSystemisreadyforoperationandconfiguredforbeams
tobeblanked,theperiodontheDiagnosticsIndicatorwillremain
lit,showing‘—.’(seeFigure5-4).
System Software Blanking Setup Routine
To specify blanking using the System software,theprocedure
issimilar.Positiontheobjecttobeblankedinthepathofthe
beams(thiscanbedoneatanytimebeforebeginningthe
blankingroutine).PerformthePingroutinetoselecttheproper
controlmodule,thenpressF8orselecttheAlignmentoption
fromtheMINI-ARRAYmenu.Fromthescreenmenu(Figure5-6),
selectStop;theDiagnosticsIndicatoronthecontrolmodulewill
showtheletter‘A’.SelectAuto Blanking (Figure5.7);theDiagnosticsIndicatorwillshow
theletter‘b’.SelectAccept Auto Blanking;boththecontrolmoduleandthereceiverwill
indicateaclearcondition(greenAlignindicatorON)andtheDiagnosticsIndicatorwill
show‘A.’(theperiodfollowingthe‘A’indicatesthatblankingisinuse).Thebeams
blockedduringtheroutinearenowblankedandappearastheletter‘B’onthegridinstead
of‘0’;ifyouwishtoblankadditionalbeams,usethe‘Edit’keytomanuallysetadditional
blanking(seenextpage).ToleaveAlignmentmode,select‘OK’.WhentheSystemisready
foroperationandconfiguredforbeamstobeblanked,theperiodontheDiagnostics
Indicatorwillremainlit,showing‘—.’(seeFigure5-4).
Scanning Mode Limitations for Blanking:
AllblankingfeaturesareavailablewithContinuousScanmode.Forsingle-anddouble-
edgescan,blankingislimitedtofourblankingfields.Otherblankingfeaturesareignored.
Figure 5-6. Alignment screen, showing beams #1-11 blocked
Figure 5-7. Alignment screen, showing beams #1-11 blanked