GB9.3
Externalconnections
Motorconnectionsforthewirefeedmotor,M1A2motor
Motorcable,twoconductorsandscreen,connectedtoconnectorsK10.1andK10.2.
AC--Tachometercable(accessory),twoconductorsandscreen,connectedtoconnectorsK10.5andK10.6.A6motor
Motorcable,fourconductorsandscreen,connectedtoconnectorsK10.1andK10.2,withthefieldconnectionsmadetoK10.3andK10.4.
TheACtachometercable(accessory),isconnectedtoconnectorsK10.5andK10.6.
MotorconnectionsfortravelmotorM2(travelmotion)Motorcable,twoconductorswithscreen,connectedtoconnectorsK11.1andK11.2.ThemotorfieldwindingisconnectedtoK11.3andK11.4(withscreen).TheACtachometercable(accessory):twoconductorsandscreen,con-nectedtoK11.5andK11.6.ConnectionoftheweldingheadArcvoltagetoterminalX2.1
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GBInputforconnectionofagasflowguard(NC),limitswitchorexternalstopfunction.Screened2--wire2x0,75mm2,connectedtoK23.1andK23.2.Inputforconnectionofawaterflowguard(NC),limitswitchorexternalstartfunction.Screened2--wire2x0,75mm2,connectedtoK22.1andK22.2.Outputforconnectingafluxorgasvalve,42VACmax.0,5AScreened2--wire2x0,75mm2,connectedtoK12.1andK12.2.Connectionofanexternalemergencystop(accessory)RemovetheinternalemergencystopconnectionandconnecttheexternalemergencystopcircuittoX2.2.ConnectionofaPilotlamp(accessory)
Connectthetransformerprimary(42V)toK14.1andK14.2.
Thetransformerandpilotlampareincludedinacompletesetofcompo-nentsforincorporationintheunitandmustbeorderedseparately.
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GB9.4
AdjustingtheDCDUO
AdjustingthedisplaycontrastAsdelivered,thelightingissetforthebestcontrast.Ifnecessary,itcanbeadjustedbypotentiometerP101ConnectionofjumperJ1:Forthegreendisplayplacethejumperon1and2.
Forthebluedisplayplacethejumperon2and3.MotorcontrolsoftwareThemotorcontrolprogramisstoredinanEPROM,IC304.Itismarkedtoshowtheversionnumberofthesoftwaresupplied.
9.5NMEconnection
ThegraphicdisplayistobeconnectedtoconnectorK1.ThekeyboardistobeconnectedtoconnectorK2.Thebusconnectioninthecontrolcable(fromtheweldingpowersource)istobeconnectedtoconnectorK9.DIPswitchTheNMEcircuitboardcarriesaDlPswitch(SW1)whichispresetondeliveryforusewithA2--A6units,anditssettingsmustnotbealteredinthefield.Whensuppliedasasparepart,thesettingsoftheswitchmustbe
checked,andadjustedifnecessary,beforetheboardisfittedinthecontrolbox.SettingtheDIPswitchSW1:
DIPswitchSW1mustbesettoClosedposition,i.e.alleightpolesmustbesettoClosedposition.CommunicationssoftwareThecommunicationssoftware,thekeyboardcontroller,displaydriverandthetrimparametersfortheDCDUOcircuitboardarestoredinflashmemoryIC15.Thechipismountedinasocketandcanbechanged.DiagnosticsThereisoneLED(L02RED)onthecircuitboardthatcanbeusedforsystemfaulttracing:SS
TheLEDlightstoindicatefailureofcommunicationtotheDCDUOboard,orintheeventofamicroprocessorfault.
TheLEDflashestoindicatethatthereisafaultintheprogram.
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GBBustermination/connectionWhentheNMEcircuitboardisthefirstorlastboardinanetwork,ashort--circuitinglinkmustbefittedinsocketK7.
9.6ConnectionbetweentheDCDUOandtheNME
TheNMEcircuitboard(AP2)isaseparateunitthatissecuredabovetheDCDUOcircuitboard(AP1)bymeansoffourscrews.
ConnectorsK3(communicationbetweentheboards),K4(guardinputsandgas
valveoutput)andK5(supplyvoltagefortheNMEcircuitboard)providetheelectricallinkbetweenthetwoboards.
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GB1010.1
USINGTHECONTROLPANELControlpanel
1.Emergencystop
2.Thedirectionoftravelisasshown
bythetriangularsymbolontheweldingequipment.3.Thedirectionoftravelisasshown
bythesquaresymbolontheweldingequipment.4.Advancewire5.Retractwire6.Changemenu
7.Numericalkey,numberentry8.ENTERkey,Changerow9.SHIFTkey
10.Stopwelding.Returntomanualmode11.Startwelding.Switchtoautomaticmode12.Fast,wirefeedortravel
13.Scrollpage(weldingsetupmenu)orclosevalve(mainmenu)
Thearrowedkeysareusedduringweldingtoincreaseordecreasethecurrent,voltageandspeed.
Bypressingeither,,
+or
+itispossibletobrowse.
N.B.
WhenanI/Oboardisconnectedthekeys2,3,4,5,10,11and12cannolongerbeused.
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