Omega LVCN-40 Series User manual

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INTRODUCTION/TABLEOFCONTENTSStepOne
Thegeneralpurposeindicatordisplaystanklevelorvolumeinengineeringunitswith1‐4relaystatus
indicators,andiscompatiblewithanyLVCN‐414,LVCN‐210&LVCN‐318Serieslevelsensorthat'sbeen
configuredwithLVCN‐414‐SW6.0softwareandupdatedtoV50firmwareorhigher.PoweredbytheLVCN‐
414,LVCN‐210&LVCN‐318Seriessensor,thefieldmountindicatormaybelocatedupto4.5m(15')fromthe
sensor.LVCN‐40Seriesrequiresnoprogramming.Theindicatorrepeatsthemeasuredvalue,applicablerelay
statusandsetpointconfigurationoftheattachedsensor.Ifthelevelsensor’srelaysetpointsrequire
changing,theycanbeeasilymadethroughthefieldindicator.
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TableofContents
Specifications:.........................................................................................................................................................4
Dimensions:.........................................................................................................................................................4
Components:..............................................................................................................................................4
SafetyPrecautions:................................................................................................................................................5
GettingStarted:......................................................................................................................................................6
Wiring: .........................................................................................................................................................7
AddingaLoopPoweredDisplay:...............................................................................................................7
UnderstandingLVCN‐414,LVCN‐210&LVCN‐318Seriessensors:.......................................................................8
LiquidHeightvs.Volume:..........................................................................................................................8
Linearvs.Non‐Linear:................................................................................................................................9
Example#1(VolumeOutput):.......................................................................................................9
Example#2(CurrentOutput):.....................................................................................................10
RelaySettings:.........................................................................................................................................11
Installation: .......................................................................................................................................................12
LVCN‐40SeriesGettingAround:..........................................................................................................................13
Menu:.......................................................................................................................................................13
ChangingaPumpSetPoint:.....................................................................................................................14
ChanginganAlarmSetPoint:..................................................................................................................15
Troubleshooting....................................................................................................................................................16
DisplayDescriptors:..................................................................................................................................16
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SPECIFICATIONS/DIMENSIONSStepTwo
Displaytype:LCD,6‐digitwith4relay
indicators
Displayunits:Engineeringunits,liquidvolume
orheight
Displayoutput:‐9999.9to99999.9
Characterheight:0.374"(9.5mm)
Decimalpoint:Fixed
Dotindication:Relaystatus
Userinterface:Threebutton
Sensorinput:AnyLVCN‐414,LVCN‐210&
LVCN‐318Seriessensor
Supplyvoltage:Providedbythelevelsensor
Operatingtemp.:F:‐4°to140°
C:‐20°to60°
Cabletype:4‐conductor,#22AWG
Cablelength:4'(1.2m)
Cablematerial:Polyurethane
Enclosurerating:NEMA4(IP65)whenmounted
Enclosuremat’l:Polycarbonate
Enclosuretype:Panelmount
Buttonmat’l:Siliconrubber
Compliance:CE,RoHS
Dimensions
IncludedComponents
LVCN‐40Seriescomeswitha4’(1.2m)cable,lockingnutandtheManual.
LVCN‐40SeriesFrontViewLVCN‐40SeriesSideView
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SAFETYPRECAUTIONSStepThree
AboutthisManual:PLEASEREADTHEENTIREMANUALPRIORTOINSTALLINGORUSINGTHISPRODUCT.
ThismanualincludesinformationontheLVCN‐40SerieslevelindicatorfromOMEGAENGINEERING.Please
refertothepartnumberlocatedontheswitchlabeltoverifytheexactmodelconfiguration,whichyouhave
purchased.
User’sResponsibilityforSafety:OMEGAENGINEERINGmanufacturesabroadrangeoflevelsensing
technologies.Whileeachofthesesensorsisdesignedtooperateinawidevarietyofapplications,itistheuser’s
responsibilitytoselectasensormodelthatisappropriatefortheapplication,installitproperly,performtestsof
theinstalledsystem,andmaintainallcomponents.Thefailuretodosocouldresultinpropertydamageor
seriousinjury.
ProperInstallationandHandling:Onlyprofessionalstaffshouldinstalland/orrepairthisproduct.Install
thelevelindicatorwiththeincludedlockingnutandneverovertightentheindicatorwithintheinstallation.
Alwayscheckforleakspriortosystemstart‐up.
WiringandElectrical:Asupplyvoltageof12to28VDCisusedtopowertheLVCN‐40SeriesandtheLVCN‐
414,LVCN‐210&LVCN‐318Seriessensor.Electricalwiringofthetransmittershouldbeperformedinaccordance
withallapplicablenational,state,andlocalcodes.
MaterialCompatibility:TheenclosureismadeofPolycarbonate(PC)withtheCablemadeof
PolyurethaneandtheButtonsmadeofsiliconrubber.Makesurethatthemodel,whichyouhaveselected,is
chemicallycompatiblewiththeapplicationmedia.
Enclosure:Whilethelevelindicatorhousingisliquid‐resistanttheLVCN‐40Seriesisnotdesignedtobe
operationalwhenimmersed.Itshouldbemountedinsuchawaythattheenclosureandlevelindicatordonot
comeintocontactwiththeapplicationmediaundernormaloperationalconditions.
MakeaFail‐SafeSystem:Designafail‐safesystemthataccommodatesthepossibilityofLVCN‐414,LVCN‐
210&LVCN‐318Series/LVCN‐40Seriesand/orpowerfailure.OMEGAENGINEERINGrecommendstheuseof
redundantbackupsystemsandalarmsinadditiontotheprimarysystem.
Flammable,ExplosiveorHazardousApplications:LVCN‐40Seriesshouldnotbeusedwithinclassified
hazardousenvironments.
Safety
Installationshouldbedonebyproperlytrainedstaff
Supplyvoltageshouldneverexceedamaximumof28VDC
Makesurethesensorischemicallycompatiblewithyourapplication
Designafail‐safesystemthataccommodatesthepossibilityofsensorand/orpowerfailure
Thissensorshouldnotbeusedinclassifiedhazardousenvironments
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GETTINGSTARTEDStepFour
LVCN‐40Seriesdoesnotrequireanyconfiguration.LVCN‐40Serieslevelindicatorwillautomaticallyreadthe
configurationoftheattachedLVCN‐414,LVCN‐210&LVCN‐318Seriessensoranddisplaythelevelperthe
sensor’sconfiguration.ThesensordoesrequireconfigurationwiththeLVCN‐414‐SW6.0software(especially
ifanyrelaysaretobeused).ForacopyoftheLVCN‐414‐SW6.0software,pleasegoto
http://www.Omega.com/ftp,clickontheFlow,Level,pH,Environmental,andPressureSection,select
ProductsandthenclickontheLVCN414folder.BeforeattachingLVCN‐40Seriestoanysensor,configurethe
LVCN‐414,LVCN‐210&LVCN‐318SeriessensortoLVCN‐414‐SW6.0softwareviatheFob.Oncethesensoris
configured,removetheFobandattachtheLVCN‐40Series.
Note:PleaserefertoLVCN‐414,LVCN‐210&LVCN‐318Seriesmanualforthewiring,configurationwiththe
LVCN‐414‐SW6.0softwareandinstallationofthesensor.
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WIRINGStepFive
WiringLVCN‐40SeriestoanyLVCN‐414,LVCN‐210&LVCN‐318SeriesSensor:LVCN‐40Seriesandassociated
levelsensorrequirea12to28VDCpowersupplytooperate.ThemaximumcabledistancebetweenLVCN‐40
Seriesandthesensoris15’(4.5m).FollowthebelowstepstowireLVCN‐40serieswiththesensor:
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Sensor
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LVCN‐40Series
WiringidenticalforallseriesofLVCN‐414,LVCN‐210&LVCN‐318SeriesSensors.
UseonlytheRed,Black,GreenandWhitewires.
1. ConnecttheRedandBlackwiresofbothLVCN‐40Seriesandthesensortothe12‐28VDCpowersupply.
2. ConnecttheGreenandWhitewiresofLVCN‐40SeriestothecorrespondingGreenandWhitewiresofthe
sensor.
3. IsolatetheGreenandWhitewiresfromactivepowertopreventashortoftheconfigurationcircuit.
AddingaLoopPoweredDisplay
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GeneralSafety
Wherepersonalsafetyorsignificantpropertydamagecanoccurduetoaspill,theapplicationmust
havearedundantbackupsafetysysteminstalled.
Wiringshouldalwaysbedonebyalicensedelectrician.
Supplyvoltageshouldneverexceed28VDC.
Protectthesensorfromelectricalspikesbyisolatingthepower.
Designafail‐safesystemforpossibleindicatorand/orpowerfailure.
NeverusethesensorinenvironmentsclassifiedasHazardous.

8
UNDERSTANDINGLVCN‐40SERIESStepSix
LevelHeightvs.Volume:ThelatestversionofLVCN‐414‐SW6.0softwarehasanewfeaturewhichallowsthe
sensortobeconfiguredtoreadeithertheheightoftheliquidorthevolumeoftheliquid.Thisselectionis
madeundertheSensorOutputUnitsselectionofeitherVolume(volumeofliquid)orDistance(heightof
liquid).SeethechartbelowfortheengineeringunitoptionsavailableforbothDistanceandVolume.
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UnitsofMeasurement
DistanceVolume
Inches
Cm
Feet
Meters
Gallons
Liters
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Thereare6differenttankshapesthatyoucanselectwithLVCN‐414‐SW6.0Software.
VerticalCylinderTank
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VerticalCylinderTank
withConeBottom
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RectangularTank
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HorizontalCylinderTank
withEndCaps
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HorizontalCylinderTank
withSphericalEndCaps
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SphericalTank
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9
UNDERSTANDINGLVCN‐40SERIESStepSix
Linearvs.Non‐Linear:Twooftheshapes(VerticalCylinderTankandRectangularTank)willalwaysprovidea
linearoutput,regardlessofselectingDistanceorVolume.Theremainingfourshapes(VerticalCylinderTank
withConeBottom,HorizontalCylinderTankwithEndCaps,HorizontalCylinderTankwithSphericalEndCaps
andSphericalTank)willhavealinearoutputwhenDistanceisselected,butwillhaveanon‐linearoutputwhen
volumeisselected.
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VerticalCylindricalTank
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Intheaboveillustration,10”ofliquidwillalways
beequalto100gallonsofliquid(1”=10gallons).
HorizontalCylinderTankwithEndCaps
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Intheaboveillustration,10”ofliquiddoesnot
equal100gallons.The10”atthebottom
representsariseof62.8gallonswherethechange
between10”and20”representsanincreaseof
109.6gallons.
Whenvolumeisselected,the4‐20mAoutputfromthesensorwillbeproportionaltothevolumeofthetank,
nottheheightofthetank.Thismeansthatthecurrentoutputwilltrackthevolumeofthetank(ingallonsor
liters)withinanon‐lineartank(VerticalCylinderTankwithConeBottom,HorizontalCylinderTankwithEnd
Caps,HorizontalCylinderTankwithSphericalEndCapsorSphericalTank).
Whenconnectingthe4‐20mAoutputtoadisplay,thecurrentsignalwillfollowthevolumeofthetank.The
displaywillalsoreflectthevolumeofthetankandnottheheightoftheliquid.
Example#1(VolumeOutput):Intheillustrationsabove,@20”ofliquid,thedisplaywillshow200.0gallonsin
theVerticalCylindricalTank.However,intheHorizontalCylinderTankwithEndCaps,thesamelevelof20”
wouldshow172.4gallons.
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10
UNDERSTANDINGLVCN‐40SERIESStepSix
Example#2(CurrentOutput):intheillustrationsbelow,the4mAsignalissetat0”(0.0gallons)andthe20
mAsignalissetto60”(600.0gallons).IntheVerticalCylindricalTank,40”ofliquidwilloutputacurrentsignal
of14.67mA.However,intheHorizontalCylindricalTankwithEndCaps,40”ofliquidwilloutputacurrent
signalof15.41mA.Asimpleloopdisplaysetwith4mA=0gallonsand20mA=600gallonswillshowtwo
differentvolumesbaseduponthetankshapeconfiguration.VerticalCylindricalTankwillshow400.0gallons
whileHorizontalCylindricalTankwithEndCapswillshow428.0gallons.
VerticalCylindricalTank

10”ofliquidwillalwaysbeequalto100gallons
ofliquid(1”=10gallons).
HorizontalCylinderTankwithEndCaps

1”ofliquiddoesnotequal10gallons.The10”
atthebottomrepresentsariseof62.8gallons
wherethechangebetween10”and20”
representsanincreaseof109.6gallons.



11
UNDERSTANDINGLVCN‐40SERIESStepSix
RelaySettings:LVCN‐40SeriesnotonlydisplaysthelevelreadingoftheLVCN‐414,LVCN‐210&LVCN‐318
Seriessensor(HeightorVolume),butLVCN‐40Seriesalsoallowsyoutoadjustthesettingsforrelays.LVCN‐40
SerieswillnotallowchangestoSensorHeightorFill‐Height,justtherelaysettings.
Thesensorconfiguredtoreadinchesofliquidplus4
highalarmrelays.

Thesensorconfiguredtoreadinchesofliquidplus
duplexrelaysandhighandlowalarmrelays.

Thesensorconfiguredtoreadgallonsofliquidplus2
highalarmand2lowrelays.

Thesensorconfiguredtoreadgallonsofliquidplusan
autoemptyrelaysandhighandlowalarmrelays.





12
INSTALLATIONStepSeven
LVCN‐40Seriesisdesignedfortypicalpanelmountinstallations,eitherlocatedwithinaninstrumentpanelor
throughthewallofaNEMAboxenclosure.
PanelMount:ThemaximumcabledistancebetweenLVCN‐40SeriesandLVCN‐414,LVCN‐210&LVCN‐318
Seriessensoris15’(4.5m).FollowthebelowstepstoinstalltheindicatorinapanelorNEMAboxenclosure
locatednearthesensor:
1. Drill(1)large0.75”(19.1mm)diameterholeinthe
panelforthecableandnipple.
2. Drill(1)small0.25”(6.4mm)diameterhole0.83”
(21.1mm)belowthelargeholethatwillprevent
theinstalledindicatorfromrotatingoffcenter.
3. Runtheindicatorcablethroughthelargetophole
andlockingnut(ontherearsideofthepanel).
4. Properlyaligntheindicatorwiththeflatgasket
andholesonthepanel.Thenpresstheindicator
inplaceagainstthepanel.
5. Tightenthelockingnutdownoverthenippleand
routethecablefortermination.





13
GETTINGAROUNDLVCN‐40SERIESStepEight
LVCN‐40Seriesfeaturesa6‐digitdisplaywithrelayindicatorsandathree‐buttonuserinterface.Theindicator
displaysthemeasuredvalueandrelaystatusoftheconnectedsensor(ifthesensorhasrelaysandtheyare
configuredforuse).
Relay1‐4–Indicateswhenthesensor’srelayis
energized.Note:NotallLVCN‐414seriessensor
modelshaverelays.
oIfthesensordoesnothaveanyrelays,then
theindicatorswillremainoff.
6‐digitDisplay–Showstheliquidlevelinheight
(inches,cm,feetormeters)orthevolumeof
liquid(gallonsorliters).
oTheselectionofheightvs.volumeissetinthe
LVCN‐414‐SW6.0software.
UpButton–Usedtoincreaseasetpointvalue.
SelectButton–UsedtoentertheMenuand
acceptvalues.
DownButton–Usedtodecreaseasetpoint
value.

Note:Toincreasethescrollingspeedofthedisplay,
holddowntheSELECTbuttonwhilesimultaneously
pressingtheUPorDOWNbutton.
EnteringtheMENU:Ifdesired,userscanchangethesensor’srelayALARM,VALVEorPUMPON‐OFFset
pointsusingLVCN‐40Series.ToenterthemenuLVCN‐40SeriesMENUfunctions,pressandholdtheSELECT
buttonfor5seconds.TheMENUwillthenscrollbetweentheconfiguredPUMP,ALAMRSandRUNmodes.
Note:IftherelaysareconfiguredforPUMPSandALARMS,thenbothwillappearinthemenu.Iftherelaysare
configuredforAlarmsonly,thenPUMPwillnotappear.IftherelaysareconfiguredforPUMPSonly(alsofor
valves),thenALARMSwillnotappear.

Tochangeapumpsetpointvalue,pressSELECTwhenPUMPappears.
TochangeanAlarmsetpointvalue,pressSELECTwhenALARMSappear.
Toexitthemenuandreturntorunmode,pressSELECTwhenRUNappears.


14
GETTINGAROUNDLVCN‐40SERIESStepEight
ChangingaPumpSetPoint:Sensors(LVCN‐414,LVCN‐210&LVCN‐318Series)withrelayshave(1‐4)channels
activeontheLVCN‐40Series.IfafteraccessingtheMENU,PUMPappearsinthedisplay,thenatleast(1)relay
isconfiguredforpumporvalvecontrol.Simplexpumpcontrolhas(1)ONand(1)OFFsetting.Duplexpump
control(2‐pumps)hasathirdadditionalLAGsetting.Note:Priortomakinganychanges,werecommendthat
youwritedownallexistingsetpointvalues.Theexamplebelowhighlightsaduplexpumpsysteminan
automaticemptyorautomaticfilloperationwith(1)LAG,(1)ONand(1)OFFsetpoint.Usethefollowing
stepstochangeyoursimplexorduplexpumpcontrolsettings.
AutomaticEmptyOperation


AutomaticFillOperation

StepstoChangePumpSet Points
1. HoldSELECTfor5secondstoentertheMENU.
2. PressSELECTwhenPUMPappears.
3. PressSELECTwhenthesetpoint(ON,OFF,LAG)youwantto
changeappears.
4. PresstheUPandDOWNbuttonstoincreaseordecreasethe
setpointtothedesiredvalue.Toscrollfaster,holdSELECT
whilepressingUPorDOWN.
5. Toenterthesetpoint,holdSELECTfor2seconds.
6. Tochangeanothersetpoint,pressSELECTwhentheset
pointappears.
7. ToexittheMENU,pressSELECTwhenRUNappears.
TechTips
Neverplacearelaysetpoint(ON,OFF,LAG)attheliquidemptyorliquidfullposition.Youshouldhave
atleastsomedistanceorvolumebufferseparatingthem.Forexample,ina500gallontank,therelay
setpointscouldbeplacedat≥10gallonsor≤490gallons.



15
GETTINGAROUNDLVCN‐40SERIESStepEight
ChanginganAlarmSetPoint:Sensors(LVCN‐414,LVCN‐210&LVCN‐318Series)withrelayshave(1‐4)
channelsactiveontheLVCN‐40Series.IfafteraccessingtheMENU,ALARMSappearsinthedisplay,thenat
least(1)relayisconfiguredasanalarm.TheAlarmsettingsmaybeinanycombinationofLOWand/orHIGH
alarms(4‐HIGH,1‐LOW&3‐HIGH,2‐LOW&2‐HIGH,etc.).Note:Priortomakinganychanges,werecommend
thatyouwritedownallexistingsetpointvalues.Theexamplebelowhighlightsa2‐LOWand2‐HIGHalarm
operationwith(4)setpoints.Usethefollowingstepstochangeyouralarmsettings.

StepstochangeAlarmsettings:
1. HoldSELECTfor5secondstoentertheMENU.
2. PressSELECTwhenALARMSappears.
3. PressSELECTwhenthesetpoint(HIGH2,HIGH1,LOW1,LOW2)youwanttochangeappears.
4. PresstheUPandDOWNbuttonstoincreaseordecreasethesetpointtothedesiredvalue.Toscroll
faster,holdSELECTwhilepressingUPorDOWN.
5. Toenterthesetpoint,holdSELECTfor2seconds.
6. Tochangeanothersetpoint,pressSELECTwhenthesetpointappears.
7. ToexittheMENU,pressSELECTwhenRUNappears.
Hints:
Neverplacearelayssetpoint(High1,Low1)attheliquidemptyorliquidfullposition.Youshould
haveatleastsomedistanceorvolumebufferseparatingthem.Forexample,ina500gallontank,the
relaysetpointscouldbeplacedat≥10gallonsor≤490gallons.




16
TROUBLESHOOTINGStepNine
DisplayDescriptors:Thefollowingarethedisplay’soperationaldescriptors,meaningandcorrectiveaction:
WARMUP WARMUPisseenwhenpowerisfirstappliedtothesensorandLVCN‐40Series.WARMUP
indicatesthatthedisplayiswaitingforthesensortoacquireandsendavalidlevelreading.
MENU Indicatesthemenuforconfigurationofrelaysetpoints.
PUMP PUMPistheidentifierfortherelaysetpointsaffectingPumporValveoperations.
OFF OFFistherelaysetpointthatturnsOFFthepump.
ON ONistherelaysetpointthatturnsONthepump.
LAG LAGisthesetpointthatturnsONthelagpump.
ALARM AlarmistheidentifierfortherelaysetpointsaffectingAlarmoperations.
HIGH#HIGH#istherelaysetpointthatenergizesahighalarmrelay.
LOW#LOW#istherelaysetpointthatenergizesalowalarmrelay.
CHECKWIRES NotAllfourwiresareproperlyconnectedtothesensor.Checkthewiringbetweenthe
LVCN‐40Seriesandthelevelsensor.
UPDATEFWREV
Theattachedsensorisnotrunningaversionofthefirmware(50.0orhigher)thatis
compatiblewithLVCN‐40Series.ConnecttheLVCN‐414,LVCN‐210orLVCN‐318Seriesto
theLVCN‐414‐SW6.0softwareandupdatethefirmware.



17
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18
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19

20
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