StackShotManual_1_5.pdf - 第12页

 12   1. It  will  likely  increase  the  settle  time  required.  2. As  speed  increases,  motor  torque  decreases.  This  can  cause  Sta ckShot  to  “slip”  and  not  move  the  rail  pr…

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untilallthecharactershavebeenentered(Atotalof12maybeused).Notallspacesneed
tobefilled,justkeeppressingselecttofinishtheentry.Uponsavingtheconfigurationthe
screenwillshow:
== Save Config ==
1. 5X Spiders
Saved. Cfg exits.
Up/down to select.

Inthiscasethesettingnamewassetto5XSpiders”.PresstheCONFIGbuttontoexittothe
mainscreen.
3.3.5 AutomaticReturn
WhenStackShotfinishesaseriesofstepsyouhavetheoptionofreturningtothebeginning
positionautomatically(“AutoReturnsettoYes”).Thisisusefulifyouwanttochangea
camerasettingandbeginanothersetofpictures.Tochangethissetting,usetheUPor
DOWNbuttons.WhensettoNo”,StackShotwillleavethecameraatthefinalposition.
== Global Config ==
Load/Save Settings
Auto Return: No
Speed: 800 mils/sec ->
>
BelowinFigure5isanexampleofwhenStackShotisconfiguredforfivesteps.Atthe
completionofthefivesteps(andwithAutoReturnsettoYes”),therailwillmovebackto
itsinitialposition.IfAutoReturnhadbeensettoNo”,therailwouldhaveremainedat
thefinalposition.
Figure5‐AutoReturn
3.3.6 MotorSpeed
Themotorspeed(“Speed”)isanadjustableparameter.Whynotsetthespeedtothe
maximum?Therearetwodrawbacksfromgoingfaster:
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1. Itwilllikelyincreasethesettletimerequired.
2. Asspeedincreases,motortorquedecreases.ThiscancauseStackShotto“slip”and
notmovetherailproperly.
Thedefaultwillworkformostapplications,butifyouseetherailnotmovingproperly
(becauseyou’reusinga12000mmprimelenstofocusstackyourneighbor’sforehead),and
thetorqueissetatmaximum,tryslowingdownthemotorspeed.
== Global Config ==
Load/Save Settings
Auto Return: No
Speed: 800 mils/sec ->
>
3.3.7 TimeLapseInterval
Thetimelapseinterval(“Tlapse”)determinesthetimetakenbetweenstacks.Whensetto
offtherailperformsonestackatatime(normaloperation).Whensettovalueotherthan
off”,timelapsemodeisenabled.Thisfeatureallowstheperiodic captureofasequenceof
images.Anexamplewherethismaybehelpfulwouldbestackingaflowerbloomingover
time.IftheTlapsetimeisfasterthanthetimeittakestocompleteastackitwillskipthat
timelapseeventandwaitforthenextinterval.Theintervalmaybeadjustedfrom100ms
upto24hours.
== Global Config ==
> Tlapse: off
Tpulse: 500.0 ms
Tramp: 1.0 sec ->
WhenthetimelapseintervalissetStackShotwillshowthenormalmainscreentosetup
theshot.Oncetherailstarts,however,thefollowingwillbedisplayed:
Time Lapse Mode
Running: 0/10
# of Stacks: 0
ThevalueafterRunning:”indicatesthenumberofstepscompletedforthisstack.The#of
Stacksshowsthenumberofcompletedstack“intervals”.
Afterthestackcompletes,atimerisdisplayedshowingthetimeremainingbeforethenext
stackisinitiated.
Time Lapse Mode
Remaining: 4.7 sec
# of Stacks: 0
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CAUTION:Timelapsemodewillpotentiallycausetheunattendedoperationoftherail.
Usecautiontoavoidsituationswheresomeonemaybeseriouslyhurtorsomething
seriouslydamagedduetothisfeature.
3.3.8 PulseTime
Thepulseduration(“Tpulse”)isthetimethattheshutteroutput“Trigger”isactive(on).
Thissettingmaycomeinhandyin“Continuous”modesince“Tpulse”and“Toff”effectively
sethowrapidlypicturesaretaken.Forothermodesthissettingwouldtypicallynotbe
adjusted.Thepulsedurationshouldbelongenoughforyourcameratorespond.Ifthe
pulsetimeissettooshortyourcameramayignoreit.
== Global Config ==
Tlapse: off
Tpulse: 500.0 ms
Tramp: 1.0 sec ->
>
SeeFigure4formoredetailsregardingpulsetime.
3.3.9 RampTime
StackShotallowsyoutoadjusthowfastthemotorrampsupordowninspeed(“Tramp”).
Increasingtheramptimeeffectivelydecreasestheaccelerationofthecamera.Similarlyto
theoverallspeedofthemotor(“Speed”),thisincreasesthetorqueanddecr easeswobble.
== Global Config ==
Tlapse: off
Tpulse: 500.0 ms
Tramp: 1.0 sec ->
>
3.3.10 UnitsofMeasure
Thedefaultunitofmeasure(“Units”)issettoMetric/mm”.Ifyouaremorecomfortable
withinches,youcanchangethedisplayeddistances/speedsfrommetrictoEnglish
(“English/mils”).Thedisplaywillshowmils”.One“mil”isathousandthofaninch.You
alsohavetheoptionofselectingSteps”.A“step”isthehighestresolutionmethodof
movementforStackShot.Onestepistheequivalent to0.1125degreesofmotorrevolution,
0.000496mm(~0.5um),or0.0195mils.UsingStepsastheunitofmeasureis
recommendedonlyforadvancedusers.Suchsmallresolutionincreasestheprobabilityof
runninginto“stiction”whichmaycausenonuniformstepsintherailmovement.