Shimpo Dt-329 User manual

DT-329

LED Linear Stroboscope

Operation Manual

Read manual thoroughlyprior to operation.

Use instrument only afterreading the complete manual.

Follow all safetyprecautions.

Safety Precautions

Please be sure to closely follow all safetyprecautions.

Besureto read theentireinstruction manualthoroughlybefore initial set-up, operationandmaintenance.

Theinstructionmanualprovidestwogradesofsafetywarnings:"Danger"and"Caution".

Followtheseprecautions.

"Danger"markingindicatespossibledeath,severe injuryor fire iftheuserdisregarded.

"Caution"markingindicatespossibilityofsevere bodilyinjuryorobjectdamageif operatedimproperly.

Thiswarningindicatesa prohibitedoperation.

Executethiswarning.

Neveruse inflammable

environments.

Mayresult infireorexplosive.

Neverlookdirectlyinto the LEDlight

source.

Mayresult ineye injury.

Do not drop.

Maycausedamageorinjury.

Avoidthefollowing.

Directsunshine,condensation,dustorcaustic

Chemicals,combustiblegases

Oils,water,salts

Do notalter,modifyordisposeof

improperly.

Maycausedamage,accidentsandvoidwarranty.

Operate within0-35

C(32-95

F),

35-85%RH

Mayalteroperationof theunit.

To clean,gentlywipewitha soft

cloth.

NovolatilechemicalssuchasusageBenzene,Thinner,

orAlcohol.

DT-329casemaybecomeexcessivelyhot

whenusedcontinuouslylongtime.

Neverusewhiletoucheddirectlyaspossession

bythehandetc.

Caution

Danger

Caution

-Contents-

Summary

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Product InspectionandPreparation

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2.1

Confirmationofproductpackaging

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2.2

Removalofprotectivesheet................................

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Names andfunctionsof thecomponents

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3.1

DT-329Unit

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3.2

Operationpanel

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3.3

LCD Display

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3.3.1

DisplayNames andDescriptions

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3.3.2

Main datadisplay

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3.3.3

Subdatadisplay

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3.3.4

Unitsof Measure:Display

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3.3.5

Setting projectdisplay

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FunctionInstructions

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4.1

Poweron/off

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4.2

Mode Selection

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4.3

Internalflashingmode

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4.3.1

InstructionforInternalflashing mode

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4.3.2

Changing UnitsofMeasurein InternalMode

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4.3.3

FLASHfunction

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4.3.4

Flash rate andfrequency“InternalMode”

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4.3.5

Multiply/ Divideby2Function

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1010

4.3.6

PhaseShift (Angle)

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1111

4.3.7

Flash PulseDuration(FOCUS) setting

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1111

4.4

ExternalTriggerMode

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1414

4.4.1

Externaltriggermode: LCDdisplayinformation

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1414

4.4.2

FlashDelaySetting

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1414

4.4.2.1

“Delaytime”setting

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1515

4.4.2.2

“Delay angle” setting

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1717

4.4.3

Units of Measure- Changing from FPM to Hz................................

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1818

4.5

Parameter Setting Instruction

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1919

4.5.1

Measurementrange setting

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2020

4.5.2

Trigger Edge setting(ExternalMode)

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2121

4.5.3

Delaysetting................................

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2323

4.5.3.2

Delayanglesetting

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2424

4.6

ConnectorofExternalinput/output................................

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2525

4.6.1

ConnectorPinAssign

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2525

4.6.2

External PulseInput................................

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2525

4.6.3

Externalpulse output

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2626

Specifications

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2727

Dimensions

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2929

1 Summary

TheDT-329LED LinearStroboscopeisACpoweredprecisioninstrumentusedtoilluminatewidespotand

measuretherotationalspeedsofobjectswithacertainspeedandaconstantperiod.

ByilluminatingtherotatingobjectwiththeDT-329,themovingobjectappearstoremainstillwhenthe

flashingrateoftheDT-329isequalstherotationalspeedofthetargetobject.Thisallowsinspectionof

rotatingandmovingparts,printedmatter,labels,gears,shaftsandothers.Additionally,thetargetobjectcan

appearto rotate back or forth (frequency) by utilizingthe phaseshiftfunction.

Mainfeatures

Widespotrange-23.62inx15.75in(600mmx400mm)

=>referto5.Specifications

Wideflashrange-60to120,000FPM

=>referto4.3.4FlashrateandfrequencysettinginInternalmode

Highbrightness-1,950luxat120,000FPMand7.87in(20cm)

=>referto5.Specifications

Twounitsofmeasure-FPM(flashesperminute)andHz.

=>referto4.3.2ChangingUnitsofMeasureinInternalmode

MultiplyorDivideby2-functiontoquicklyadjustflashrate

=>referto4.3.5Multiply/Divideby2Function

PhaseShiftfunction-“+3°”,“-3°”

=>refersto4.3.6Phaseshift(Angle)

Adjustableflashduration–(FOCUS)Timecanchangefor0.1°eachtimeasintherangeof0.1°/360° -

2.5°/360°

=>referto4.3.7Flashduration(FOCUS)setting

Externalinput/outputport-Synchronizationofflashratewithexternalpulse,orflashratepulsesignaloutput

=>referto4.4Externaltriggermode,4.6ConnectorofExternalinput/output

2 ProductInspection and Preparation

2.1 Confirmationofproductpackaging

ConfirmthefollowingfivepartsinyourDT-329packaging:

2.2 Removalof protectivesheet

Remove protective sheetcoveringtheoperationpanel.

1.O

ne (1)

LED

linear

stroboscope

2. One(1) Externalinputconnector(7pins)

SRCN6A16-7P[JAE]

3. One (1)Externaloutputconnector(3pins)

SRCN6A13-3P[JAE]

4. One(1)ACcable

5.InstructionManual

Operation Panel

3 Names and functions ofthecomponents

3.1 DT-329Unit

Operationkeys

(9totals)

Handles

Outlet(ACpower)

External

output

connector

External

input

connector

Powerswitch LCDindicatordisplay

Flashratesetting dial

Mounting arm

LED lightsource(24totals)

3.2 Operationpanel

No. Key FunctionInstructions

1 POWER Power theunit onoroff

2 MODE

Select Internal/External/Parametermode ofoperation

3 SET

Unitchange,Selectparametersettingitem,Storesettingvalue.

4 ×2

Multipliestheflashrate/frequencybyafactorof2.

5 1/2

Dividesthe flashrate/frequencybyafactorof2.

6 FLASH

Flashonandoff

7 PHASE“+”

Advanceimageforwards3 degreesatatime ininternal mode.

Inparametersettingmode,changesettingvalue.

8 PHASE“-“

Retard imagebackwards3degreeatatimeininternalmode.

Inparametersettingmode,changesettingvalue.

9 Dial

Setflashrateorfrequency.

CW;Increaseflashrate/frequency.

CCW;Decreaseflashrate/frequency.

(Turndial “quickly”todrasticallychangevalue.Turndial“slowly” tochangevalue1digit.)

In parametersettingmode,CW or CCW rotatingchanges the setting value.

10 FOCUS

Adjuststheflashduration(flashpulsewidth)inInternal/Externalmode.

SET

MODE

PHASE+

×2

1/2

FLASH

POWER

PHASE-

FOCUS

3.3 LCD Display

3.3.1 DisplayNames andDescriptions

3.3.2 Maindata display

-Internal flashingmode:Displays flashrate.

-Externaltriggermode:Displayexternaltriggerfrequency.

-*Parametersettingmode:DisplayLCDbacklightsetting(“P”or“LCD”)

*Refertosection4.5fordetail.

3.3.3 Subdatadisplay

Internal FlashModeDisplay

-Tochangethedegreesofphaseshift,pressPHASE+orPHASE-keys.Thedisplaywillreflectthe

cumulativeangle of phaseshift.

-“FlashTime”will bedisplayedwhenFOCUSkeyispressed.Theflashtime(pulseflashduration)canthen

be setusingthe dialtoincreaseordecreasethe flashtimefrom0to1.0 (0-1.0°).

ExternalTriggerMode Display

-Displays delaytimesetting.Referto section4.4.2 fordetail.

*Parameter Mode Display

-Displaysthefollowing:

-Selectedmeasuringrange

-Delaytime (in ms)

-BacklitLCD(ONorOFF)

*Referto 4.5 “Parametersettingmode”fordetail.

3.3.4 Unitsof Measure:Display

Digitaldisplaywillshowthefollowingaccordingtotheunitofmeasuresetting.

Maindatadisplay

Subdata

Settingproject Unit

UnitsettoFPM

(flashes/minutes)

UnitsettoHz

min

Ｈｚ

ＨｚＨｚ

Ｈｚ

Flashing

(Blinking)

AutoRange

TriggerDivider

EdgeDelayDeg

FlashTimeMem

AveLastMinMax

Ave Last Min

min

sec

hHz

○

○○

○

3.3.5 Setting projectdisplay

Thefollowingwillbedisplayed,accordingtothemodeofmeasure and*parametersettings

*Please seesection4.5 forParametersettingdata.

Internalflashingmode

AutoRange

TriggerDivider

EdgeDelayDeg

FlashTimeMem

AveLastMinMax

Ave Last Min

Setthemeasuring

rangein Parameter

settingmode*

Auto

Range

TriggerDivider

EdgeDelayDeg

Flash TimeMem

AveLastMinMax

Ave Last Min

Settheflashtime

(duration)

AutoRange

TriggerDivider

EdgeDelayDeg

FlashTimeMem

AveLastMinMax

Ave Last Min

Positiveautotrigger

Auto

Range

TriggerDivider

EdgeDelayDeg

Flash TimeMem

AveLastMinMax

Ave Last Min

Negativeautotrigger

Auto

Range

TriggerDivider

EdgeDelayDeg

Flash TimeMem

AveLastMinMax

Ave Last Min

Choosepositive whenset

trigger edgein*Parameter

setting mode

Auto

Range

TriggerDivider

EdgeDelayDeg

Flash TimeMem

AveLastMinMax

Ave Last Min

Choosenegative whenset

trigger edgein*Parameter

setting mode

Auto

Range

TriggerDivider

EdgeDelayDeg

Flash TimeMem

AveLastMinMax

Ave Last Min

Chooseanglesetting when

delaysetin*Parameter

setting mode

AutoRange

TriggerDivider

EdgeDelayDeg

Flash TimeMem

AveLastMinMax

Ave Last Min

Choosedelaytimewhendelay

setin*Parametersettingmode

AutoRange

TriggerDivider

EdgeDelayDeg

FlashTimeMem

AveLastMinMax

Ave Last Mi

4 Function Instructions

4.1 Poweron/off

Turnon Main PowerSwitch,thenpress“POWER”keytoturnonunit.Theunitwillbegintoflashininternal

modeandthedisplaywillindicatetheflashrate(FPM=flashes perminute).

Operation Indication

Power off

Pressandrelease

Press “POWER” keyagain to turnoff unit. The display will turn off, and the device willstop flashing. Then

turnoffthemain powerswitch.

Operation Indication

Power on

Pressandrelease

4.2 ModeSelection

Pressandrelease“MODE”keytotogglebetweenINTERNAL,EXTERNALandPARAMETERmode.

MODEdoesn'tchangewhile flashing.Pleasestopflashingbypressing“FLASH"key.

Operation Indication

Pressandrelease

toswitchmodes

Displaywillindicatethe

flashrate ininternal

mode,and theLED light

source willbegin

flashing.

Internalflashingmode

Externaltriggermode

Parametersettingmode

Displaywillturnoffand

unitwillstop flashing.

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

POWER

MODE

POWER

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

4.3

Internalflashingmode

4.3.1 InstructionforInternalflashing mode

4.3.2 Changing UnitsofMeasurein InternalMode

Pressandrelease“SET”keyto togglebetween FPMandHzmeasuringunit.

Operation Indication

Pressandrelease

4.3.3 FLASHfunction

Press andrelease “FLASH”keytotoggle betweenflashing on andoff.

Operation Indication

Pressandrelease

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave Last

min

sec

hHz

○

○○

○

Measuringunit“FPM”

Measuringunit “Hz” Measuringunit “FPM”

SET

SET SET

Flashing time(Hzshown)

setting

Unit(minorHz)

Flashindicator

ternalflashing

mode

Totalphaseshift angle

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

Flashingoff Flashingon Flashingoff

FLASH

FLASHFLASH

FLASH

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

blinking

4.3.4 Flash rateandfrequency“InternalMode”

Set theflashrate(frequency)byturningthecenter dial.

Clockwise: Increase

Counter-clockwise: Decrease

Forsmall adjustments,turnthe dialslowly.For largeadjustments,rotatethedialquickly.

Theflashrateandresolution differsaccordingtomeasuringrange.Refertosection4.5.1for details.

Notesfor settingtheflash rate

One function of a stroboscope is to provide a “Frozen” virtual image of a rotating target once the flash rate

of the stroboscope matches the rotational speed of the target object (FPM=RPM). The stroboscope will

also show a single image when the flash rate or frequency is set to a lesser multiple of the RPM (1/2, 1/3,

etc.) Whenthe flashrateis increasedtoa highmultiple (2, 3,etc.),multipleimages will appear.Tofindthe

true RPM of the target object, beginning the flash rate to lower multiples until only a single image appears.

For moreinformationregarding themultiply/divideby2function,pleasesee4.3.5.

Truerotationalspeedof

target object

(rpm)

Flashrateof

stroboscope

(FPM)

Multiple oftrue

rotationalspeed Numberof

stopped

images

900

3600 4times 4

2700 3times 3

1800 2times 2

900 1 times 1

450 1/2 times 1

300 1/3 times 1

Pattern Motor

“Frozen”

virtualimage

4times

1/2 times

2times

1/3 times

3times

4.3.5 Multiply/ Divideby2Function

Theflashrate orfrequencycan bedoubled orhalvedbythe“x2”and“½”keys onthe operationpanel.

1) Doublingtheflashrate(x2)

Press“x2”keytomultiplythecurrent flashratebyafactor 2untilthemaxflashrate isreached.

Operation Indication

Pressandrelease

After theflashrate(frequency)changes,itbecomesthenewvaluebased onthesetdisplayresolution. (See

section5.Specifications)

Therefore, the frequency is likely not to return to the original frequency, even if the “1/2” key is pressed after

pressingthe“x2”key.

2) Halvingtheflashrate(½)

Press “½”keyto dividethe currentflashratebya factor of 2untilthe minflashrate is reached.

Operation Indication

Pressandrelease

After the flash rate (frequency) changes, it becomes the value based on the set display resolution. (See

section5.Specifications)

Therefore,thefrequencyisnottoreturntotheoriginalfrequencyeven if“x2”keyispressedafterpressing“½”

key.

Ex.Flashrate1,500FPM Doubletherate3,000FPM

Doubletherate6,000FPM

FLASH

×2

×2 ×2

Ex.Flashrate1,500FPM Newflashrate750FPM Newflashrate375FPM

1/2

FLASH

1/2

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EhidgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

4.3.6 PhaseShift (Angle)

Once"Frozen"virtualimageis achievedviaFPM=RPM, thephaseshiftfunction canadvance ordelaythe

flashsothatthe image appearstobe rotatingincrementally.

Press“PHASE+”keyor“PHASE-“keytoincrementordecrementthephaseshiftangle by3°.

Thedisplaywill showthecumulative angle of the phaseshift.

Operation Indication

If "PHASE+"keyis pressedat 359°,itbecomes0°.

Operation Indication

If "PHASE-"keyispressedat-359°,itbecomes 0°.

4.3.7 Flash PulseDuration(FOCUS) setting

TheFOCUScanbesetwithintherange of0.1°/360° -1.0°/360°,witharesolutionof0.1°.

Periodof flashing=360°.

TheFlashPulseDuration(RATIO)is directlyproportionalto theLEDbrightness,which inturn,is inverselyrelated

tothe target imagefocus.

Ex.Flashrate6,000FPM

Incrementphaseshiftby3°

Pressandrelease

Ex.Flashrate6,000FPM

Phaseshiftat0°

Decrementphaseshiftby3°

Pressandrelease

PHASE+

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

PHASE-

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

FLASH

PHASE+

FLASH

PHASE-

Incrementphaseshiftby3°

Finalphaseshiftof6°

PHASE+

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

PHASE-

Decrementphaseshiftby3°

Finalphaseshiftof-6°

Flash

360°

FlashingDuration(

0.1°-1.0°

)

OFF

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

Pressthe “RATIO”key.Thecurrentmode will startblinkingfor 5seconds allowingmodificationatthispoint.

Operation Indication

**Whileintheflashpulsedurationsettingmode,ifnomanualchangesaremade totheDT-329settingsfor

5seconds theLCDdisplaywillreturntoanormalindicationofeachmode.

Press“PHASE+”key,orturnthedialclockwisetoincrementtheFocusby0.1°.

Press“PHASE-”key,orturn thedialcounterclockwisedirectiontodecrementtheFocus by0.1°.

Return tonormalinternalflashing

modeanddisplay

Whenblinking,flash durationcanbemodified(see

nextsectionfordirectionson thisstep)

Internalflashingmode

External triggermode

Phaseshift

angle

Flashpulse

duration

(blinking)

Phaseshift

angle

Flashdelay

angle

Flashpulse

duration

(blinking)

Whenblinking,flash durationcanbemodified(see

nextsectionfordirectionson thisstep)

Return tonormalexternal

triggeringmodeanddisplay

** **

Pressandrelease

Flashdelay

angle

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

FOCUS

FOCUSFOCUS

FOCUS

FOCUSFOCUS

FOCUS

FOCUSFOCUS

FOCUS

FOCUSFOCUS

FOCUS

FOCUSFOCUS

FOCUS

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

Operation Indication

・・・・

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

FLASH

PHASE

PHASEPHASE

PHASE＋

＋＋

＋

FLASH

PHASE

PHASEPHASE

PHASE－

－－

－

Pressandrelease

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

PHASE+

または

PHASE－

または

Flashduration(FOCUS)

0.1°/360° Incremented

0.2°/360

Maximum

1.0°/360

Current(FOCUS)

1.0°/360

Decremented

0.9°/360°

Minimum

0.1°/360°

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

Turnclockwise

Turncounter

clockwise

4.4 ExternalTriggerMode

Thismode allowssynchronization ofthe FPMwith externalsignalinputsuchasasensor.

See section4.6fordetails.

Parametersettings arepossible,likephaseshift,delaytime,flashduration,edgetrigger.

4.4.1 Externaltriggermode: LCDdisplayinformation

Thefrequencyof the externalsignalismeasuredeachperiod, whilethe latestexternalfrequency

measurement isupdatedevery50ms.

For anout ofrangeexternalinputsignal,thedisplaywill appearas follows:

4.4.2 FlashDelaySetting

Thismodeallowsfordelayedflashingonceanexternalsignalistriggered.

Theunit ofdelayis time(msec)ordegree(°).

Press“PHASE+” or”PHASE-”keytotogglebetweentwosettingsof“delaytime”or “delayangle”.

Operation button Indication

Frequencyofexternaltriggerinput

Flashrateunitof measure:“min”or“Hz”

displayed(“min”=FPMflashesperminute)

Flashindicator

External Trigger

ModeIndicator

Flashdelay time/angle display

Externalsignal<60FPM/1Hz.

Externalsignal>10,000FPM/166Hz.

Pressandrelease

FLASH

PHASE+

“delayangle”in deg “delaytime” inms

FLASH

PHASE-

AutoRange

Trigger

EdgeDeleyDeg

FlashTimeMax

Min

Sec

hHz

○

○○

○

TriggeredgeIndicator

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

4.4.2.1 “Delaytime”setting

This can beset to 0~999 msec witha resolutionof 1ms.

Theinternalcalculation timeof the unitis 60us,whichresults in theactual delaytimebeing(Setting delay

time)+60us.

TheDT-329 willbeginflashingafterthe1

trigger pulse.Seetimingchartbelow.

[Example]

Trigger:Positiveedge(Theinstantwhere thedelaytime)

Delaytime:10ms (Independentofexternalinputfrequency)

If externalsignalperiod<delaytime,thenthedelaytimevalue =0.

Pleasenotethebuiltin 60us internaldelayontop ofthe externalsignal input.

ExternalPulse

Input

LEDFlash

100ms

10ms

Delay

80ms

10ms

Delay

Measure

frequency

Measure

frequency

Press"PHASE+" keyto selectthe delaytimesetting.TurndialCW toincreaseandCCW todecrease.

Buttonoperation Expression

Turnclockwis

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

・・・・

Turncounter

clockwise

・・・・

Goto delayanglesetting

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDeleyDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

PHASE-

4.4.2.2 “Delay angle” setting

Set thedelayanglefrom 0°to360°in1°increment s.

Theactualdelaytimeis asfollows:

WhiletheDT-329 doesnotflashatthe1

trigger pulseasshownbelowinthetimingchart.

[Example]

Trigger :Positiveedge

Delayangle:36°

If the frequency of the external trigger input changes, the timing of the flash inaccurate, because the timing is

calculatedbasedontheprevious measured period.

If the current period of external trigger input is less than the previous period and the next trigger input occurs

beforetheflashtime,thedelayanglesetting is ignored andtheunitflashesat delayangle =0°.

Delayangle increases asthedialisrotated to theright.The angle settings willgoto 0°whenangle increasespast

359°.

Operation Expression

Turnclockwise

Goto delaytimesetting

Delayanglesetting

360° ×Period of ExternalInput+approx.60us (Built-in)

PHASE+

ExternalPulse

Input

LED Flash

100ms(360°)

10ms(36°)

Delay

80ms(360°)

8ms(36°)

DelayMeasure

frequency

Measure

frequency

AutoRange

Trigger

EdgeDelayDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDelayDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

AutoRange

Trigger

EdgeDelayDeg

FlashTime

Ave LastMinMax

min

sec

hHz

○

○○

○

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