GRAPHTEC WR3320A Manuale utente

MANUAL NO.WR3320A-UM-151

LINEARCORDER MARK Ⅶ

W R 3320A

USER’S MANUAL

INTRODUCTION

 TheWR3320Awasdevelopedbymakingfundamentalimprovementstoan

 earliermodel,makingthisrecodersigniﬁcantlyeasiertouse,andgreatly

 improvingfunctions,performace,andreliability.TheWR3320Acanbeused

 forawindevarietyofapplicaitonsinthevariousrecordingﬁelds.

 Afterremovingthepackaging,taketimetocarefullyreadthisinstructoin

 manual.Ifpowerisappliedtotherecoderimproperly,orifpartsofthe

 recoderotherthenthosedesignatedinthismanualaredesmantled,condi-

 tionsdangeros,orirreparabletptherecodermayoccur.



CAUTIONSBEFOREUSE

 ● AfterUnpacking

  Aftertherecorderhasbeenunpacked,preformavisualinspection,

  referringtothetableinSection5-3listingthequantitiesofacces-

  sories.Iftherecorderisdamagedinanywey,orshortagesinacces-

  soriesarediscovered,contactyourdealer.

 ● RecorderInstallationLocation

  TheWR3320Ashouldbeinstalledonahorezontalbase,indoors,ina

  normalintreiorenvironment.

  Avoidthefollowingenvironmentalconditionswhenselectingan

  installationlocation.

  ● Locationswithexcessivedust,drit,wihtsalineatmospheres,

   orlocationssubjecttocorrosivegases

  ● Locationswheretemperatureorhumidityexceedthespecifica-

   tionsinthismanual

  ● Locationssubjecttodirectsunlight

  ● Locationssubjecttoexcessivevibrationorshock

  ● LocationssubjecttolightningorothersurgevoltagesorEMI

 ● PowerSupply

  Useapowersupplywithin±10%ofthenominalvoltagewihta

  minimumlinecapacityof10A(for100-Voperation)andonethat

  allowseasyprotectivegrounding. 



　　　　CAUTION

  Thereisalinevoltageselectoronthebottompanelof

  theWR3320Aenablingittobeusedatotherthan

  100-V.Itisextremelyimportanttosetthissupply

  voltageselectortotheconditionsofthelinetobeused

  beforperforminganyotheroperations.

 ● RecordingPaper

  TheWR3320Ausesheat-sensitivepapar.Featuresoftheheat-sensi-

  tivepaparsuchascoloringcharacteristicandsurfacesmoothness

  exertagreatinfluenceonthequalityoftherecordedtrace.Thus,it

  isextremelyimportanttouseonlyGraphtecʼ srecordingpaper.

 ● Pens

  Thepensshouldnotbetouchedexceptwhenbeingreplaced.Donot

  reducepenpressuretoextremelylowlevels,orallowthepentorise

  upoffthepaper,asthismaydamagethepens.

 ● DataStorage

  Recordingreliesonathermalreactionbytheheat-sensitivepaper.

  Observethefollowringprecautionswhenhandlingrecordingdata.

● Donotplacethepaperinlocationssubjecttodirectsunlight.

● Donotplacethepaperinlocationssubjecttohightem-

   pretatures(50℃orhigher).

● Papershouldbekepsinalocationwhichisasdarkaspossible.

   Iftherecordingdataarestoredunderfluorescentlightorunder

   naturallight,therecordeingdensitywilldeteriorateafterafew

   months.

● Donotstorerecordingsinsidevinylchloridebags.

● Donotplacerecordingsondampdiazocopypaper.

● Avoidcontactingrecordingswithacids,alcoholoresterke-

   tones.Thesemaycausediscoloration.

 ● PenProtectionFunction

  Penheatsourceisturnedoffandpenmotionissuspendedtoprotect

  thepentipunderthefollowingconditions.

● Whenpaperhasrunout

● WhentheSTOPbuttonhasbeenpressedtostoppaperfeed

● Whenthepenlifeleverhasbeenpusheduptoraisethepenoff

   thepaper   



 ● MountingPaper

  Checkthattheheatswitchhasbeenturnedoff,andifithas,mount

  thepaper.

 ● WariningBeeper

  Whenthefollowingconditionsoccur,awarnigbeepersounds,the

  penheatsourceisturnedoff,andpendriveisstopped.

● Whenpaperhasrunout

● Whenthepenlifeleverhasbeenpusheduptoraisethepen

   offthepaper

 ● High-FrequencyInput

  Theaccuracyoftheservosystemisonlyguaranteediftheservo

  amplifierisnotstaurated.Notethatiffrequencieshigherthanthe

  penresponsespeedareinputtothesystem,theamplifierwill

  saturate. 



TABLEOFCONTENTS

1. PARTSNAMESANDFUNCTIONS………………………………………… 1

1.1 TopPanelWhenHorizontallyMounted………………………………… 2

1.2 BottomPanelWhenHorizontallyMounted…………………………… 2

1.3 RearPanel………………………………………………………………… 2

1.4 ControlPanel……………………………………………………………… 4

1.5 PaperFeedSection………………………………………………………… 7

1.6 AmplifierUnit……………………………………………………………… 8

1.7 PenMotorandMarker…………………………………………………… 10

1.8 ReplacingthePen………………………………………………………… 11

2. PREPARATIONSFORUSE………………………………………………… 12

2.1 LoadingPaper……………………………………………………………… 12

2.1.1 Paper………………………………………………………………………… 12

2.1.2 LoadingRollPaper………………………………………………………… 13

2.1.3 LoadingZ-FoldPaper……………………………………………………… 14

2.1.4 PaperSetting……………………………………………………………… 14

2.2 PowerConnection………………………………………………………… 16

2.2.1 Preparation………………………………………………………………… 16

2.2.2 Connection………………………………………………………………… 16

2.3 ConnectingInputLines…………………………………………………… 17

2.3.1 Preparation………………………………………………………………… 17

2.3.2 ConnectingInputCables………………………………………………… 18

2.3.3 ConnectionWithoutInputCables……………………………………… 19

2.4 NoiseFilterSetting………………………………………………………… 20

3. MEASUREMENTANDRECORDING……………………………………… 21

3.1 InputWavaformRecording……………………………………………… 21

3.2 SensitivityFineTuningandCalibration………………………………… 22

3.3 MarkerOperation………………………………………………………… 22

3.4 PrinterOperation(Option)……………………………………………… 23

4. CONTROLBYEXTERNALSIGNALS……………………………………… 28

4.1 RecordingControl………………………………………………………… 28

4.1.1 PaperFeedStop………………………………………………………… 29

4.1.2 PaperFeedExternalSync(CHRT.CLK)………………………………… 29

4.1.3 PaperFeedExternalSync(CHRT.Volt)………………………………… 30

4.1.4 RecordingOn/Off………………………………………………………… 30

4.1.5 EventMarker……………………………………………………………… 31

4.1.6 PaperOutSignalOutput………………………………………………… 31

4.1.7 TimingSignalOutput…………………………………………………… 31

4.1.8 TimingInput…………………………………………………………… 32

4.2 PrintControlfromExternalEqupment…………………………………… 33

4.2.1 Printer(ExternalModeA)………………………………………………… 33

4.2.2 Printer(ExternalModeB)………………………………………………… 35

5. Howtomounttherackangle……………………………………………… 40

6. SPECIFICATIONS…………………………………………………………… 41

6.1 LinearcorderSpecifications……………………………………………… 41

6.2 PreampsSpecifications…………………………………………………… 42

6.3 Accessories………………………………………………………………… 42

7. OUTERVIEWS……………………………………………………………… 43

 1. PARTSNAMESANDFUNCTIONS

Fig.1-1TopPanel

Fig.1-3RearPanel

Fig.1-2BottomPanel

Handles Servoamplifierheatsink

Rubber

foot

Rubberfoot Stockerfrontcover

Stockerfrontcover Paperhold-downbar

Tentionroller

Sprocket

Preamplifier

Thumbwheelswitches(option)

Operatingpanel

Penliftlever

Writingpanel

Handles Servoamplifier

heatdispersionplate

Rubberfoot

⑤

⑥

④

⑦

（option）

⑧

③

②

①

-1-

Fig.1-4FromtPanel

⑨

 1.1 ToppanelWhenHorizontallyMounted

  Fig.1-1isoftheWR3320ALinearcordertoppanel.

  Itshowsthepenmotorsandpreamplifiersfor8channels,the

  markersandprinthead,andthecontrolpanelneartheprinthead.

  Thereisapaper-holdingrolleronthewritingpanelside,and

  underneaththatitthefrontcoverforthepaperstoragearea.This

  coverhasbeenspeciallymoldedtoenableabettergripwhenthe

  recorderisbeingcarried.

 1.2 BottomPanelWhenHorizontallyMounted

  Fig.1-2showsthebottompanelwhenitisverticallymounted.The

  fuseholdercanbeseen.Notethatthissideoftherecorderisusedfor

  heatdissipation.

  ① FuseHolder

   Thiscanbepulldeoutbyturningitcounterclockwisewitha

   Philipsscrewdriver.Itisveryimportanttoonlyuseafuseof

   thespecifiedratingwhenreplacingthefuse.

 1.3 RearPanel(withInputTerminalStrip)

  Fig.1-3showstherearpanel.Allconnectionstoexternaldevicesare

  madefromthispanl.

  ② ProtectiveGroundTerminal

   Thisprotectivegroundlineterminalisprovidedtoestablish

   thesamepotentialdifferencewithgroundformetalpartsof

   therecorderwhichoperatorsmighttouchwiththeirhands,

   suchasthoseofthechassis.Apartfromthechassis,themain

   powersuppyvoltagetransformersecondaryneutralpointand

   powersuppyconnectorprotectivegroundarealsoconnected

   internally.

  ③ PowerConnector

   Thecenterconductorofthisthree-lineinputconnectoristhe

   protetivegroundterminal.Notethatonlythededicatedpower

   cableprovidedwiththesystemmaybeconnectedhere.

-2-

  ④ ReferenceVoltageOutputConnectors

   Theblackconnectoroutputsthesamevortageasthechassis

   andtheredconnectoroutput＋1V±0.2%.Theoutput

   resistanceis200Ω,andtheseareusedforpreamplifiersensi-

   tivitycalibration.

  ⑤ InputConnectors

   Theseinputconnectorsareconnecteddirectlytotheir

   correspontingchannelpreamplifierinputs.theblackGcon-

   nectorsareguardconnectors,thered(−)terminalisafloating

   ground,andthered(＋)terminalisthesignalpositive-side

   inputterminal.Theaccessoryinputcablescanbeconnected

   here.

  ⑥ ShortingBar

   TheblackGandred(−)terminalsareconnectedtoametal

   fixture,andthisoperationisexplainedbelow.

  ⑦ PrintingExternalInputConnector(Option)

   Thisisusedforinputofcharactersignalsfromanexternal

   keyboardtocontroltheprinter.SeeSecting4belowfordetails

   ontheterminalstrip.

  ⑧ ExternalControlSignalConnector

   Thisisusedforinputofexternalsignalstocontrolpaperfeed,

   penheating,markers,andotheroperations.SeeSection4for

   details.

 1.4 FrontPanel(Stockerfrontcover)

  fig1-4Showsthefrontpanel

  ⑨ Externalfeedsetting,REWIND/FEED

   SwitchingoftheexternalfeedcontrolandswitchingfromREWIND

   keytoFEEDkey.

-3-

 1.4ControlPanel

Power

Thisswitchispressedandlockedto

turnthepoweron,atwhichpointthe

redlamplights.Itispressedonce

againtoturnpoweroff,therebyextin-

guishingtheredlamp.

PRECAUTIONS

Makethefollowingchecksbefore

powerisapplied.

●TheSTOPswitchshouldbedepressed.

CHARTEXT

Thisisthepaperfeedselectionswitch.

Whenpressedandlocked,paperisfed

insyncwiththeexternalpulsesignal.

Ifpressedonceagaintoreleasethe

lock,theCHARTSPEEDswitchon

theoperatingpanelcanbeusedto

specifypaperfeedspeed.

TIMING

Thisdialusedtoselectthegeneration

frequencyofthesignalwhichoperates

thetimemarker.Timingpulsesare

generatedat10min,1min,10s,or1s

intervalsaccordingtotheselectionof

10M,1M,10Sor1S.Thecorresponding

puleswidthsareapproximately7,4,0.7

and0.2s,respectively.Thesecanalso

beoutputtoexternalequipmentviathe

externalcontrolsignalconnector⑧.

PresstheSTOPkeytostopthetiming

pulse,anduseEXTtosendthesignal

inputfromanexternaldevicetothe

marker.(Thepulsewidthis0.7s.)



POWER

CHART EXT

TIMING

-4-

Ｔ

Timingmark

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