GRAPHTEC WR3320A Manual de usuario

MANUAL NO.WR3320A-UM-151
LINEARCORDER MARK Ⅶ
W R 3320A
USER’S MANUAL

INTRODUCTION
TheWR3320Awasdevelopedbymakingfundamentalimprovementstoan
earliermodel,makingthisrecodersignificantlyeasiertouse,andgreatly
improvingfunctions,performace,andreliability.TheWR3320Acanbeused
forawindevarietyofapplicaitonsinthevariousrecordingfields.
Afterremovingthepackaging,taketimetocarefullyreadthisinstructoin
manual.Ifpowerisappliedtotherecoderimproperly,orifpartsofthe
recoderotherthenthosedesignatedinthismanualaredesmantled,condi-
tionsdangeros,orirreparabletptherecodermayoccur.
CAUTIONSBEFOREUSE
● AfterUnpacking
Aftertherecorderhasbeenunpacked,preformavisualinspection,
referringtothetableinSection5-3listingthequantitiesofacces-
sories.Iftherecorderisdamagedinanywey,orshortagesinacces-
soriesarediscovered,contactyourdealer.
● RecorderInstallationLocation
TheWR3320Ashouldbeinstalledonahorezontalbase,indoors,ina
normalintreiorenvironment.
Avoidthefollowingenvironmentalconditionswhenselectingan
installationlocation.
● Locationswithexcessivedust,drit,wihtsalineatmospheres,
orlocationssubjecttocorrosivegases
● Locationswheretemperatureorhumidityexceedthespecifica-
tionsinthismanual
● Locationssubjecttodirectsunlight
● Locationssubjecttoexcessivevibrationorshock
● LocationssubjecttolightningorothersurgevoltagesorEMI
● PowerSupply
Useapowersupplywithin±10%ofthenominalvoltagewihta
minimumlinecapacityof10A(for100-Voperation)andonethat
allowseasyprotectivegrounding.

CAUTION
Thereisalinevoltageselectoronthebottompanelof
theWR3320Aenablingittobeusedatotherthan
100-V.Itisextremelyimportanttosetthissupply
voltageselectortotheconditionsofthelinetobeused
beforperforminganyotheroperations.
● RecordingPaper
TheWR3320Ausesheat-sensitivepapar.Featuresoftheheat-sensi-
tivepaparsuchascoloringcharacteristicandsurfacesmoothness
exertagreatinfluenceonthequalityoftherecordedtrace.Thus,it
isextremelyimportanttouseonlyGraphtecʼ srecordingpaper.
● Pens
Thepensshouldnotbetouchedexceptwhenbeingreplaced.Donot
reducepenpressuretoextremelylowlevels,orallowthepentorise
upoffthepaper,asthismaydamagethepens.
● DataStorage
Recordingreliesonathermalreactionbytheheat-sensitivepaper.
Observethefollowringprecautionswhenhandlingrecordingdata.
● Donotplacethepaperinlocationssubjecttodirectsunlight.
● Donotplacethepaperinlocationssubjecttohightem-
pretatures(50℃orhigher).
● Papershouldbekepsinalocationwhichisasdarkaspossible.
Iftherecordingdataarestoredunderfluorescentlightorunder
naturallight,therecordeingdensitywilldeteriorateafterafew
months.
● Donotstorerecordingsinsidevinylchloridebags.
● Donotplacerecordingsondampdiazocopypaper.
● Avoidcontactingrecordingswithacids,alcoholoresterke-
tones.Thesemaycausediscoloration.
● PenProtectionFunction
Penheatsourceisturnedoffandpenmotionissuspendedtoprotect
thepentipunderthefollowingconditions.
● Whenpaperhasrunout
● WhentheSTOPbuttonhasbeenpressedtostoppaperfeed
● Whenthepenlifeleverhasbeenpusheduptoraisethepenoff
thepaper

● MountingPaper
Checkthattheheatswitchhasbeenturnedoff,andifithas,mount
thepaper.
● WariningBeeper
Whenthefollowingconditionsoccur,awarnigbeepersounds,the
penheatsourceisturnedoff,andpendriveisstopped.
● Whenpaperhasrunout
● Whenthepenlifeleverhasbeenpusheduptoraisethepen
offthepaper
● High-FrequencyInput
Theaccuracyoftheservosystemisonlyguaranteediftheservo
amplifierisnotstaurated.Notethatiffrequencieshigherthanthe
penresponsespeedareinputtothesystem,theamplifierwill
saturate.

TABLEOFCONTENTS
1. PARTSNAMESANDFUNCTIONS………………………………………… 1
1.1 TopPanelWhenHorizontallyMounted………………………………… 2
1.2 BottomPanelWhenHorizontallyMounted…………………………… 2
1.3 RearPanel………………………………………………………………… 2
1.4 ControlPanel……………………………………………………………… 4
1.5 PaperFeedSection………………………………………………………… 7
1.6 AmplifierUnit……………………………………………………………… 8
1.7 PenMotorandMarker…………………………………………………… 10
1.8 ReplacingthePen………………………………………………………… 11
2. PREPARATIONSFORUSE………………………………………………… 12
2.1 LoadingPaper……………………………………………………………… 12
2.1.1 Paper………………………………………………………………………… 12
2.1.2 LoadingRollPaper………………………………………………………… 13
2.1.3 LoadingZ-FoldPaper……………………………………………………… 14
2.1.4 PaperSetting……………………………………………………………… 14
2.2 PowerConnection………………………………………………………… 16
2.2.1 Preparation………………………………………………………………… 16
2.2.2 Connection………………………………………………………………… 16
2.3 ConnectingInputLines…………………………………………………… 17
2.3.1 Preparation………………………………………………………………… 17
2.3.2 ConnectingInputCables………………………………………………… 18
2.3.3 ConnectionWithoutInputCables……………………………………… 19
2.4 NoiseFilterSetting………………………………………………………… 20
3. MEASUREMENTANDRECORDING……………………………………… 21
3.1 InputWavaformRecording……………………………………………… 21
3.2 SensitivityFineTuningandCalibration………………………………… 22
3.3 MarkerOperation………………………………………………………… 22
3.4 PrinterOperation(Option)……………………………………………… 23

4. CONTROLBYEXTERNALSIGNALS……………………………………… 28
4.1 RecordingControl………………………………………………………… 28
4.1.1 PaperFeedStop………………………………………………………… 29
4.1.2 PaperFeedExternalSync(CHRT.CLK)………………………………… 29
4.1.3 PaperFeedExternalSync(CHRT.Volt)………………………………… 30
4.1.4 RecordingOn/Off………………………………………………………… 30
4.1.5 EventMarker……………………………………………………………… 31
4.1.6 PaperOutSignalOutput………………………………………………… 31
4.1.7 TimingSignalOutput…………………………………………………… 31
4.1.8 TimingInput…………………………………………………………… 32
4.2 PrintControlfromExternalEqupment…………………………………… 33
4.2.1 Printer(ExternalModeA)………………………………………………… 33
4.2.2 Printer(ExternalModeB)………………………………………………… 35
5. Howtomounttherackangle……………………………………………… 40
6. SPECIFICATIONS…………………………………………………………… 41
6.1 LinearcorderSpecifications……………………………………………… 41
6.2 PreampsSpecifications…………………………………………………… 42
6.3 Accessories………………………………………………………………… 42
7. OUTERVIEWS……………………………………………………………… 43

1. PARTSNAMESANDFUNCTIONS
Fig.1-1TopPanel
Fig.1-3RearPanel
Fig.1-2BottomPanel
Handles Servoamplifierheatsink
Rubber
foot
Rubberfoot Stockerfrontcover
Stockerfrontcover Paperhold-downbar
Tentionroller
Sprocket
Preamplifier
Thumbwheelswitches(option)
Operatingpanel
Penliftlever
Writingpanel
Handles Servoamplifier
heatdispersionplate
Rubberfoot
⑤
⑥
④
⑦
(option)
⑧
③
②
①
-1-
Fig.1-4FromtPanel
⑨

1.1 ToppanelWhenHorizontallyMounted
Fig.1-1isoftheWR3320ALinearcordertoppanel.
Itshowsthepenmotorsandpreamplifiersfor8channels,the
markersandprinthead,andthecontrolpanelneartheprinthead.
Thereisapaper-holdingrolleronthewritingpanelside,and
underneaththatitthefrontcoverforthepaperstoragearea.This
coverhasbeenspeciallymoldedtoenableabettergripwhenthe
recorderisbeingcarried.
1.2 BottomPanelWhenHorizontallyMounted
Fig.1-2showsthebottompanelwhenitisverticallymounted.The
fuseholdercanbeseen.Notethatthissideoftherecorderisusedfor
heatdissipation.
① FuseHolder
Thiscanbepulldeoutbyturningitcounterclockwisewitha
Philipsscrewdriver.Itisveryimportanttoonlyuseafuseof
thespecifiedratingwhenreplacingthefuse.
1.3 RearPanel(withInputTerminalStrip)
Fig.1-3showstherearpanel.Allconnectionstoexternaldevicesare
madefromthispanl.
② ProtectiveGroundTerminal
Thisprotectivegroundlineterminalisprovidedtoestablish
thesamepotentialdifferencewithgroundformetalpartsof
therecorderwhichoperatorsmighttouchwiththeirhands,
suchasthoseofthechassis.Apartfromthechassis,themain
powersuppyvoltagetransformersecondaryneutralpointand
powersuppyconnectorprotectivegroundarealsoconnected
internally.
③ PowerConnector
Thecenterconductorofthisthree-lineinputconnectoristhe
protetivegroundterminal.Notethatonlythededicatedpower
cableprovidedwiththesystemmaybeconnectedhere.
-2-

④ ReferenceVoltageOutputConnectors
Theblackconnectoroutputsthesamevortageasthechassis
andtheredconnectoroutput+1V±0.2%.Theoutput
resistanceis200Ω,andtheseareusedforpreamplifiersensi-
tivitycalibration.
⑤ InputConnectors
Theseinputconnectorsareconnecteddirectlytotheir
correspontingchannelpreamplifierinputs.theblackGcon-
nectorsareguardconnectors,thered(−)terminalisafloating
ground,andthered(+)terminalisthesignalpositive-side
inputterminal.Theaccessoryinputcablescanbeconnected
here.
⑥ ShortingBar
TheblackGandred(−)terminalsareconnectedtoametal
fixture,andthisoperationisexplainedbelow.
⑦ PrintingExternalInputConnector(Option)
Thisisusedforinputofcharactersignalsfromanexternal
keyboardtocontroltheprinter.SeeSecting4belowfordetails
ontheterminalstrip.
⑧ ExternalControlSignalConnector
Thisisusedforinputofexternalsignalstocontrolpaperfeed,
penheating,markers,andotheroperations.SeeSection4for
details.
1.4 FrontPanel(Stockerfrontcover)
fig1-4Showsthefrontpanel
⑨ Externalfeedsetting,REWIND/FEED
SwitchingoftheexternalfeedcontrolandswitchingfromREWIND
keytoFEEDkey.
-3-

1.4ControlPanel
Power
Thisswitchispressedandlockedto
turnthepoweron,atwhichpointthe
redlamplights.Itispressedonce
againtoturnpoweroff,therebyextin-
guishingtheredlamp.
PRECAUTIONS
Makethefollowingchecksbefore
powerisapplied.
●TheSTOPswitchshouldbedepressed.
CHARTEXT
Thisisthepaperfeedselectionswitch.
Whenpressedandlocked,paperisfed
insyncwiththeexternalpulsesignal.
Ifpressedonceagaintoreleasethe
lock,theCHARTSPEEDswitchon
theoperatingpanelcanbeusedto
specifypaperfeedspeed.
TIMING
Thisdialusedtoselectthegeneration
frequencyofthesignalwhichoperates
thetimemarker.Timingpulsesare
generatedat10min,1min,10s,or1s
intervalsaccordingtotheselectionof
10M,1M,10Sor1S.Thecorresponding
puleswidthsareapproximately7,4,0.7
and0.2s,respectively.Thesecanalso
beoutputtoexternalequipmentviathe
externalcontrolsignalconnector⑧.
PresstheSTOPkeytostopthetiming
pulse,anduseEXTtosendthesignal
inputfromanexternaldevicetothe
marker.(Thepulsewidthis0.7s.)
POWER
CHART EXT
TIMING
-4-
T
Timingmark
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