Harsen GU641A User manual

GU641AControllerOperation Manual
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Theclarification ofnotation usedwithinthismanual:
WARNING:
AWARNINGindicatesapotentiallyhazardoussituation which,ifnotavoided,
couldresult indeath, seriouspersonalinjuryorpropertydamage.
CAUTION:
ACAUTIONindicatesapotentiallyhazardoussituation which,ifnotavoided,
couldresult indamagetoequipment orproperty.
NOTE:
ANOTEprovidesotherhelpfulinformation thatdoesnotfall underthe warning
orcaution categories.

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WARNING:
Read thisentiremanualpertainingtotheworktobe performed before
installing,operating,orservicingthiscontroller.Practiceall plantandsafety
instructionsandprecautions.Failuretofollowinstructionscancausepersonal
injuryand/orpropertydamage.
Theengine orothertypeofprimemovershouldbeequipped withan over
speed shutdowndevicetoprotectagainstrunawayordamagetotheprime
moverwithpossiblepersonalinjury, loss oflife, orpropertydamage.
The overspeed shutdowndevicemustbetotallyindependentofthe prime
movercontrolsystem.Anovertemperatureorlowpressureshutdowndevice
mayalsobeneeded forsafety,asappropriate.
CAUTION BATTERYCHARGING
Topreventdamagetoacontrollerthatusesan alternatororbattery-charging
device,makesurethechargingdeviceisturnedoff beforedisconnectingthe
batteryfromthesystem.
Controllerscontainstatic-sensitiveparts.Observethe followingprecautionsto
prevent damagetotheseparts:
Donotdisassemblethe rearback ofcontrollerand touchthecomponentsor
conductorson aprinted circuit board.

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Contents
1. Description..................................................................................................................4
2. TheOutlineDimensionDrawingsandControllerWiring........................................5
3. Panel Operation..........................................................................................................8
4. Control andOperationInstruction..........................................................................10
5. MeasureandDisplayData.......................................................................................18
6. Pre-alarm andShutdownAlarm...............................................................................19
7. ParametersSetting...................................................................................................23
8. InstallationGuide......................................................................................................42
9. LCD displaysandMenu System..............................................................................51
10. Technical Specification.............................................................................................54

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1.Description
GU641Aisanewgeneration AutomaticMains(Utility)FailuremoduleforsingleGenset, whichadopts
bran-newoutline configuration,focuson the requirementsofcustomers,and perfectlyimprovesthe
performanceofcontroller.It fullymeetsthe autocontrolrequirementsofdifferentkindsofGensetfor
userorspecialassemblyfactory.
Themodulealsomonitorsand protectstheengine,indicatingoperationalstatus,faultconditionsand
meteringon the front panelLCD andLED.
lTrue RMSmeasureofvoltageand current.
l2analoginputsforkindsofoptionalbuilt-insensors, parametersalsocan beconfigured byuser.
lMoreoutputsofconfigurableauxiliarycontrolrelays.
lMoreconfigurableisolated digitalinputs.
lButtonsoncontrolpanelareusedforselectingcontrolmodes,startingandstoppingthe operating
procedure,displayingdataandmodifyingthe parameters.LEDindicatorsareusedforindicating
the operation mode ofcontrollerandtherunning statusofGenset, and LCD displayseach
measuringparameterand status.
lFlexibleequipped withRS485,RS232andUSB,realizingremotemonitor;orcommunicated with
PC,fullyrealizingfunctionsof remotesignaling,telemeteringand remotecontrol,can read and set
the runningparametersofcontroller.
lAll connectionsofthecontrollerarebysecureplugandsocket,foreaseandconveniencetoconnect,
move, maintainandreplacethedevice.
ThismanualisonlysuitableforGU641AAutomaticcontrolmodule,usermustcarefullyread
thismanual first.

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2.TheOutlineDimensionDrawingsandControllerWiring
2.1Following Details:
ModuleDimensions W192mm H144mm
PanelCutout W174mm H126mm
Thickness D56mm (without connection)

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2.2Terminal Connections:
Pin
no.
Function Description Signal Dim
1 GEN. VL1-N input 0-346Vac 1mm²
2 GEN. VL2-N input 0-346Vac 1mm²
3 GEN. VL3-N input 0-346Vac 1mm²
4 GEN. Neutral 1mm²
5 Not used
6 MAINSVL1-N input 0-346Vac 1mm²
7 MAINSVL2-N input 0-346Vac 1mm²
8 MAINSVL3-N input 0-346Vac 1mm²
9 MAINSNeutral 1mm²
10 I1Gen current input (S1) 0-5A 2.5mm²
11 I2Gen current input (S1) 0-5A 2.5mm²
12 I3Gen current input (S1) 0-5A 2.5mm²
13 Common portforcurrent inputs(S2) 0-5A 2.5mm²
14 LOPsensor <1KΩ2.5mm²
15 HETsensor <1KΩ2.5mm²
16 Common portforsensor 2.5mm²
17 Common portforrelayoutputs 2.5mm²
18 Fuelsolenoidrelayoutput N.O. contact, 16A/30Vdc 2.5mm²
19 Start (Crank)relayoutput N.O. contact, 16A/30Vdc 2.5mm²
20 Relayoutput 3(GCBclose/open) N.O. contact, 3A/30Vdc, configurable(1) 1mm²
21 Relayoutput 4(MCBclose/open) N.O. contact, 3A/30Vdc, configurable(2) 1mm²
22 Relayoutput 5 N.O. contact, 3A/30Vdc, configurable(3) 1mm²
23 Relayoutput 6 N.O. contact, 3A/30Vdc, configurable(4) 1mm²
24 chargerexcitation poweroutput ifnot used, donot connect tonegative 1mm²
25 Configurabledigitalinput signal1 lowlevelisactive 1mm²
26 Configurabledigitalinput signal2 lowlevelisactive 1mm²
27 Configurabledigitalinput signal3 lowlevelisactive 1mm²
28 Configurabledigitalinput signal4 lowlevelisactive 1mm²
29 Configurabledigitalinput signal5 lowlevelisactive 1mm²
30 Magneticpick-upsignal(+) 1-70Vac 2cores
shielded
31 Common forconfigurableinputsand
magneticpick-upsignal(-)
32 Batterysupply(+B) 2.5mm²
33 Batterysupply{-B} 12V/24V(8-35Vdccontinuous) 2.5mm²
34 Ground 2.5mm²
NOTE:
lRelayoutput3and 4arerespectivelyconfigured asGCBand MCB
close/open relaywhen defaultsetting,howeverbothcan bereconfigured
byuserifrequired.

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2.3Typical Wiring Diagram
Afusewiththe ratingof1Ashall beprovided externaltotheequipment.

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3.Panel Operation
Theoperationpanelconsistsof3sections:LCD displayindicatingmeasurementparameters,LED
indicatorforcommon failure, and pushbuttonsforGenset and selection ofcontrolmodes.
LCD can display3-rowdatainthe sametime.LCD alsohasabacklightsothatthe operatorcan clearly
read information dayornight. Afterpressing anybutton thebacklightwillautomaticallyturnoffaftera
preset time.
TheLCD displayanditscontrolpushbuttonsprovide afriendlyoperationalinterfacefortheoperatorto
easilycontrolthe Genset, read information and parametersetting.
3.1Control buttonsand LED
Function Description Tag
Scroll Button
Scroll menu forparametersdisplay/enterintoorexitparameterssettingby
pressingand holdingthisbuttonfor2sec.
MUTE/ LampTestButton
When failureoccurs,alarmbuzzersounds.Pressingmutebuttonwillmutethe
sound.LCD displaysmuteicon.Press itagainwillclean mutefunction,buzzer
continuestosound.Press andholdthisbutton for2sec,allLEDsilluminate
simultaneously.
AUTO ModeButton/ LED/ “+”ValueIncrease
Thepushbuttonisusedforselecting “automode”.When the controllerisrunning
inAUTOmode,the LEDabovethe button isilluminated.Theactivation and
deactivation ofthe “remotestartsignalinput”and “MainsFailure”controlsthe
startingand stoppingofthe Genset.
When inparameterssettingmode,thisbuttonisused toincreasevalue /scroll
downmenu.
MANModeButton / LED/ “-”ValueDecrease
The pushbutton isusedforselecting “manualmode”.When the controlleris
runninginMANUALmode,the LEDabovethe pushbutton isilluminated.TheStart
and Stoppushbuttonscontrolthe startingofthe Genset.
When inparameterssettingmode,thisbutton isused todecreasevalue /scroll up
menu.
TESTModeButton/ LED/ “”ConfirmParametersConfigure
The pushbutton isused forselecting “testmode”.When controllerisrunningin
TESTmode,the LEDabovethepushbuttonisilluminated, thecontrollerstartsthe
generatorsimulatingMainsfailureand theactivation of “remotestart signal”.
When inparameterssettingmode,thisbuttonisused toenterintosubmenu /
confirmmodification.
STARTButton / LED/ Return
The pushbutton isusedformanuallystartthe Genset. When controllerisrunning
inMANUALmode, press thisbutton tostart the generator.
When inparameterssettingmode, thisbutton isusedtoreturn.

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STOP/ RESETButton/ “→”MoveSetting
ThePushbuttonisusedformanuallystopstheGenset. Nomatterwhatmode the
controllerisrunning,pressand holdthisbutton for2sectostopthe generator,the
mode ofthe controllerwillbedefaultto “MAN”mode automaticallyfrom “AUTO”or
“TEST”mode andthegeneratorwill beshutdownaftercooldownperiod,during
the cooldownperiod ifyoupress andholdthisbuttonfor2secagain, thegenerator
will beshut downimmediately.
Iffailureoccurs, press thisbutton, the shutdownalarmlockout can becleared.
When inparameterssetting mode,thisbutton isused tomovetonextparameters
C/O Button
Thereare2C/O buttonsrespectivelybeside the Mainsand Gen icons.Theyare
used toclose/open the switchesofMainsand Genwhen controllerisrunningin
MANUALmode.
ShutdownAlarm(FAILURE)LED
TheLEDwillilluminatepermanentlywhen shutdownalarmoccurs.
Pre-alarm(WARNING)LED
TheLEDwillilluminatepermanentlywhen pre-alarmoccurs.
GEN. Normal LED
Gen.normalLEDwill illuminateafterbothvoltageand frequencyof the Gen.reach
loadingvoltageand frequency.
GCB/MCB ClosedLED
LEDwillilluminatewhen GCB/MCBisclosed andpowersupplied byGen/Mains,
LEDwill flashwhen GCB/ MCBfailureoccurs.
MAINSNormal LED
MainsnormalLEDwillilluminateafterbothvoltage and frequencyofthe Mains
reachthepreset value range.

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4.Control andOperationInstruction
The controllerhas3modes: AUTO, MANUALand TEST.
4.1Operation Modes Setting:
Operation Description
Press andholdthe “AUTO”buttonfor2sec,theLEDabovethebutton
isilluminated; the controllerisrunningin “AUTO”mode.
Press andholdthe “MAN”button for2sec,theLEDabovethebutton
isilluminated; the controllerisrunningin “MAN”mode.
Press andholdthe “TEST”button for2sec, theLEDabovethe button
isilluminated; the controllerisrunningin “TEST”mode.
NOTE: Only1mode canbeselectedfromabove3modes.
4.2AUTO Control Sequence:
Thecontrollerisrunningin “AUTO”mode.
WhenMains(Utility)isnormal, Mainsison load:
When Mainsisnormal,bothvoltageand frequencyofMainsarewithinthe rangeofpresetvalue,the
MainsNormalLEDilluminates,the timerfor MainsONdelay isactivated,when ittimesout, the MCB
close/open relaycloses,thetransferswitchswitcheson Mains,theMainsAux.Switch’scontactfeeds
back the signaltoaconfigurableinput on ourcontroller. The MCBclosed LEDilluminates.
WARNING:
lTheMainsNormalLEDilluminated meansthatbothvoltageand
frequencyofMainsarewithinthe rangeofpresetvalues;MainsNormal
LEDflashingmeanseithervoltageorfrequencyofMainsareoverthe
rangeofpresetvalues;MainsNormalLEDdoesnotilluminatemeansthat
the Mainsvoltageislowerthan themeasuringrange.
lDonotassumethe MainsisnotavailableifMainsNormalLEDdoesnot
illuminate.
Mainsfail toload:
IfMCBclose/open relayisclosed,thetimerforMCBclosingisactivated,when ittimesout, ifthe
controllerdoesnotreceivethe feed back signalfromthe MainsAux.Switch’scontact, then Mainsfail to
load isactivated.
NOTE:
lAbovecontrolprocedure,assumesthatone ofconfigurableinputshas
been configured as MainsAux.SwitchClosed andconnectstheswitch’s
N.O. Aux.contacttothisport. Ifyoudo notconfigurean inputas Mains
Aux.SwitchClosed,then theMCBclosed LEDilluminatesisonlyan
indication thattheMCBclose/openrelayshouldhavebeen closed,under
thiscondition,thealarmfor Mainsfail toload isinactive,andthealong
function ofstart Genset isalsoinactive.