激光测距仪说明书

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L-GAGE®LaserGaugingSensors

Class2VisibleLaserDisplacementSensorwithBothAnalogandDiscrete(Switched)Outputs

†PatentPending

Features

•Self-containedClass2modulatedvisiblelasergaugingsensorneedsnoseparatecontroller

•Narroweffectivebeamisexcellentforprecisiongaugingapplicationsorfordistance,height,orthicknessmeasurement

•Resolutiontobetterthan3micronsforLG5Seriesmodels,andbetterthan

10micronsforLG10Seriesmodels

•Banner’suniquescalableanalogoutput†automaticallydistributestheoutputsignaloverthewidthoftheprogrammedsensingwindow

•Analoganddiscrete(switched)outputswithindependentwindowlimits

•Analogoutputslopeiseitherpositiveornegative,dependinguponwhichwindowlimitisprogrammedfirst

•Fast,easy-to-useintegratedpush-buttonTEACH-modeprogramming;no

potentiometeradjustments–RemoteTEACHfunctionforsecurityandconvenience

•Uniquefeatureholdsanalogoutputvaluefor2secondsuponlossofsignal

•Modulatedlaserbeamandnarrowopticalband-passfilterprovideahighlevelofambientlightimmunity,includingimmunityfromhigh-energyfactorylighting

•Alarmoutputforsignalsaturationandoverloadofdiscreteoutput

•Outputresponseisprogrammableforthreespeeds

Models

AnalogCurrent

OutputModels

(4to20mA)

AnalogVoltage

OutputModels

(0to10Vdc)

SensingDistance

FocalPoint*

Cable**

SupplyVoltage

DiscreteOutput

LG5A65PI

LG5A65PU

45to60mm(1.8"to2.4")

70mm(2.8")

Beamsizeat53mm

0.4mmx0.6mm

(0.016"x0.024")

2m(6.5')(8-wire)

12V

to30Vdc

PNP(Sourcing)

LG5A65PIQ

LG5A65PUQ

PigtailQD(8-pinEuro)

LG5A65NI

LG5A65NU

2m(6.5')(8-wire)

NPN

(Sinking)

LG5A65NIQ

LG5A65NUQ

PigtailQD(8-pinEuro)

LG5B65PI

LG5B65PU

53mm(2.1")

Beamsizeat53mm

0.1mm(0.004")

2m(6.5')(8-wire)

PNP(Sourcing)

LG5B65PIQ

LG5B65PUQ

PigtailQD(8-pinEuro)

LG5B65NI

LG5B65NU

2m(6.5')(8-wire)

NPN

(Sinking)

LG5B65NIQ

LG5B65NUQ

PigtailQD(8-pinEuro)

LG10A65PI

LG10A65PU

75to125mm(2.9"to4.9")

180mm(7.1")

Beamsizeat125mm

0.06mmx0.8mm

(0.024"x0.031")

2m(6.5')(8-wire)

PNP(Sourcing)

LG10A65PIQ

LG10A65PUQ

PigtailQD(8-pinEuro)

LG10A65NI

LG10A65NU

2m(6.5')(8-wire)

NPN

(Sinking)

LG10A65NIQ

LG10A65NUQ

PigtailQD(8-pinEuro)

*TheFocalPointisthedistance,measuredfromthesensorlens,atwhichthelaserimageissmallest(seeFigure4).

**NOTE:9m(30')cablesareavailablebyaddingsuffix“W/30”tothemodelnumberofanycabledsensor(e.g.,LG5A65PIW/30).

SeeSafetyUseWarningonBackPage

L-GAGE®LaserGaugingSensors

Overview

Banner’sClass2visiblelaserdisplacementsensorbringsasophisticatedyetcost-effectivesolutiontoprecisionmeasurementapplications.L-GAGESeriessensorsfeatureall-in-onedesignandrequirenoseparatecontroller.

TheL-GageLaserGaugingSystemoperatesintwomodes:TEACH(orprogramming)andRUN.Nearandfarsensingwindowlimitsaresetquicklyusingsimplepush-buttonorremotesignalTEACH-modeprogramming.Onesensorcansimultaneouslyprovidebothanaloganddiscrete(switched)outputs.Sensingwindowlimitsforeachoutputmaybeindependently

programmed.TheanalogsignalfeaturesBanner’suniquescalableoutput(patentpending),whichautomaticallydistributestheoutputsignaloverthewidthoftheprogrammedsensingwindow.

TheL-GAGELaserGaugingSensorboastsmanyadditionalfeatures,includingselectableresponsespeed,self-diagnosticswithalarmoutput,comprehensivestatusindicatorsystem,anduniqueoutput“hold”functionincaseofmomentarysignallossinprofilingapplications.

OpticalTriangulation

ThedesignoftheL-GAGELaserGaugingSensorisbasedonoptical

triangulation(seeFigure1).Anemittertransmitsvisiblelaserlight

throughalens,towardatarget.Thelaserlightbeamfromtheemitter

bouncesoffthetarget,scatteringsomeofitslightthroughanotherlenstothesensor’sPSD(position-sensitivedevice)receiverelement.The

target’sdistancefromthereceiverdeterminestheanglethelighttravelstothereceiverelement;thisangleinturndetermineswherethereceivedlightwillfallalongthePSDreceiverelement.

ThepositionofthelightonthePSDreceiverelementisprocessed

throughanaloganddigitalelectronicsandanalyzedbythe

microprocessor,whichcalculatestheappropriateoutputvalue.The

analogoutputprovidesavariablesignalthatisproportionaltothe

target’spositionwithintheuser-programmedanalogwindowlimits

(seepage3).Thediscrete(switched)outputenergizeswheneverthetargetislocatedbetweentheuser-programmeddiscretewindowlimits.Analoganddiscretewindowlimitsmaybethesame,orprogrammed

R

NearLimit

FarLimit

Lenses

Microprocessor

E

TargetMovement

PSDReceiverElement

Signal

Conditioning

Circuitry

OutputCircuitry

EmitterCircuitry

LaserEmitter

ProgrammedSensingWindow

Figure1.Opticaltriangulationsensingsystemoverview

independently.

SensorProgramming

Programthesensorusingeitherthesensor’skeypadorviaremoteprogramming.Remoteprogrammingisalsousedtodisablethekeypadforsecurity,preventingunauthorizedoraccidentalprogrammingadjustmentontheproductionfloor.

RemoteProgramming

Forremoteprogramming,connectthesensor’syellowwireto+5to30Vdc,witharemoteprogrammingswitchconnectedbetweenthem.

NOTE:Theimpedanceoftheremoteteachinputis18kΩminimum(65kΩminimumat5V).

Programmingisaccomplishedbyfollowingthesequenceofinputpulses,followingthebutton-pushesand“clicks”forprogrammingonthesensorbuttons.Thedurationofeachpulse

(correspondingtoapushbutton“click”),andtheperiodbetweenmultiplepulses,aredefinedas:0.04seconds<T<0.8seconds.

ResponseSpeedPushButton

ResponseSpeedIndicators

TeachLED

AnalogOutputProgrammingPushButton

Discrete(Switched)Output

ProgrammingPushButtonSignalLEDOutputLED

PowerON/OFFLED

Figure2.Features

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L-GAGE®LaserGaugingSensors

LG..IModels

AnalogOutput(mA)

20

4

PositiveSlope

Far

Window

NearWindow

TargetPosition

LG..UModels

AnalogVoltageOutput(Vdc)

10

0

PositiveSlope

Far

Window

NearWindow

TargetPosition

Figure3.Analogoutputasafunctionoftarget

position

AnalogOutputSlope

TheL-GAGELaserGaugemaybeprogrammedforeitherapositiveoranegativeoutput

slope,basedonwhichconditionistaughtfirst(seeFigure3).Ifthenearlimitistaughtfirst,

theslopewillbepositive;ifthefarlimitistaughtfirst,theslopewillbenegative.Banner’s

uniquescalableanalogoutput(patentpending)automaticallydistributestheoutputsignaloverthewidthoftheprogrammedsensingwindow.Factoryanalogoutputis0to10Vdc(LG..U

models)or4to20mA(LG..Imodels).

TheL-GAGEalsofeaturesa2-secondholduponlossoftheanalogsignal,whichisusefulforprofilingandsimilarapplications.Intheeventofanalogsignallossforlongerthan2seconds,theanalogoutputgoesto0Vdc(LG..Umodels)or4mA(LG..Imodels).

TeachingAnalogLimitsUsingtheAuto-ZeroFeature(AnalogOutput)

Forsomeanalogapplications,asensingdistancesetpointcenteredwithinasensingwindowmayberequired.TheTEACHprocedureissimple:teachingthesamelimittwicecausesthesensortoprogramawindowcenteredonthepositiontaught.Thiswindowis

10mmwide(taughtposition±5mm).

TeachingFixed-FieldSensingMode(DiscreteOutput)

Teachingthesamelimittwicecreatesasensingwindowwiththefarlimitattheteachdistanceandthenearlimitattheminimumoperatingrangeofthesensor(approx.

42mmforLG5Seriesmodels,andapprox.60mmforLG10Seriesmodels).

X

Y

†TheFocalPointisthedistance,measuredfromthesensorlens,atwhichthelaserimageis

smallest.

FocalPoint†

Distance

Beam

Width

(X)

Beam

Height

(Y)

LG5Series

53mm(2.1")

45mm

0.3mm

0.5mm

53mm

0.1mm

0.1mm

60mm

0.3mm

0.5mm

70mm(2.8")

45mm

0.6mm

0.9mm

53mm

0.4mm

0.6mm

60mm

0.3mm

0.4mm

LG10Series

180mm(7.1")

75mm

1.1mm

1.5mm

100mm

0.8mm

1.1mm

125mm

0.6mm

0.8mm

Figure4.Beamdimensions(typical)

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L-GAGE®LaserGaugingSensors

TeachingLimitsforEitherAnalogorDiscreteOutput

Eitheroutputmaybeprogrammedfirst.

PushButton

0.04sec.<“click”<0.8sec.

RemoteWire

0.04sec.<T<0.8sec.

Procedure

Result

Procedure

Result

Programming

Mode

•Pushandhold

pushbuttonforAnalogorDiscreteoutput>2seconds*

or

•TEACHLEDturnsON:Red—Analogoutput

Green—Discreteoutput

•Sensoriswaitingforfirstlimit

Noactionrequired

A

D

Teach

FirstLimit

•Positionthetargetforthefirstlimit

•“Click”thesamepushbutton

•TEACHLEDflashesat2Hz

•Sensorlearnsfirstlimitandwaitsforsecondlimit

•Positionthetargetforthefirstlimit

•TEACHLEDturnsON:Red—Analogoutput

Green—Discreteoutput

•TEACHLEDflashesat2Hz

•Sensorlearnsfirstlimitandwaitsforsecondlimit

AnalogOutput

•Double-pulsetheremoteline

TTT

DiscreteOutput

•Single-pulsetheremoteline

T

D

Teach

SecondLimit

•Positionthetargetforthesecondlimit

•“Click”thesamepush

•TEACHLEDgoesOFF

•SensorlearnssecondlimitandreturnsautomaticallytoRUNmode

•Positionthetargetforthesecondlimit

•Single-pulsetheremoteline

T

•TEACHLEDgoesOFF

•SensorlearnssecondlimitandreturnsautomaticallytoRUNmode

button

D

ProgramSecond

Output

Repeatforotheroutput,ifasecondoutputisdesired.

*SensorwillreturntoRUNmodeiffirstTEACHconditionisnotregisteredwithin120seconds.

L-GAGE®LaserGaugingSensors

TeachingLimitsforAnalogandDiscreteOutputsSimultaneously

BothAnalogandDiscreteoutputswillhaveidenticallimits.

PushButton

0.04sec.<“click”<0.8sec.

RemoteWire

0.04sec.<T<0.8sec.

Procedure

Result

Procedure

Result

Programming

Mode

•Pushandholdeitherpushbuttonfor

>2seconds*

or

•TEACHLEDturnsON:Yellow

•Sensoriswaitingforfirstlimit

Noactionrequired

A

D

•Briefly“click”theotherbutton

拿

D

Teach

FirstLimit

•Positionthetargetforthefirstlimit

•“Click”eitherpushbutton

•TEACHLEDflashesat

2Hz,alternatingRedandGreen

•Sensorlearnsfirstlimitandwaitsforsecondlimit

•Positionthetargetforthefirstlimit

•Triple-pulsetheremoteline

TTTTT

•TEACHLEDturnsON:Yellow

•Sensorlearnsfirstlimitandwaitsforsecondlimit

•TEACHLEDflashesat2Hz,alternatingRedandGreen

or

A

D

Teach

SecondLimit

•Positionthetargetforthesecondlimit

•“Click”eitherpushbutton

•TEACHLEDgoesOFF

•SensorlearnssecondlimitandreturnsautomaticallytoRUNmode

•Positionthetargetforthesecondlimit

•Single-pulsetheremoteline

T

•TEACHLEDgoesOFF

•SensorlearnssecondlimitandreturnsautomaticallytoRUNmode

or

A

D

*SensorwillreturntoRUNmodeiffirstTEACHconditionisnotregisteredwithin120seconds.

SensorSetup

ResponseSpeed

UsetheSpeedpushbuttontotogglebetweenthethreeresponsespeedsettings.Thecombinationofindicatorlights(FastandSlow)willtellyouwhichofthethreeisselected:

Slow

Fast

AnalogOutputFrequency

Response(-3dB)

DiscreteOutputResponseSpeed

ON

OFF

4.5Hz

100milliseconds

ON

ON

45Hz

10milliseconds

OFF

ON

450Hz

2milliseconds

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L-GAGE®LaserGaugingSensors

PushButtonLockout

Enablesordisablesthekeypadtopreventaccidentalorunauthorizedadjustmentoftheprogrammingsettings.

Procedure

Result

PushButton

RemoteWire

0.04sec.<T<0.8sec.

Enable/Disable

PushButtons

•Notavailableviapushbutton

•Four-pulsetheremoteline

TTTTTTT

•Pushbuttonsareeitherenabledordisabled,dependingon

previouscondition

Indicators

SignalLED

TheSignalLEDindicatesthestrengthandconditionofthesensor’sincomingsignal.

SignalLEDStatus

Indicates

OFF

Nosignalisreceived,orthetargetisbeyondtherangelimitationsofthesensor(withsometolerancebeyondtherecommendedminimumand

maximumsensingdistance)

Flashing@2Hz

Receivedsignalisadequateforprocessing

Flashing@10Hz

Receivedsignalisinsaturation(i.e.,signalistoostrong);alarmoutputenergizes

ONSolid

Receivedsignaliswithinthenominalconditionsforthesensor

OutputLED

TheOutputLEDlightswhenthediscreteoutputisconducting.

PowerON/OFFLED

ThePowerON/OFFLEDindicatestheoperatingstatusofthesensor.

PowerON/OFFLEDStatus

Indicates

OFF

PowerisOFF

Flashing@2Hz

Discreteoralarmoutputisoverloaded

Flashing@1Hz

PowerON,Laserisdisabled

ONSolid

Sensorisoperatingnormally(powerisON,Laserenabled)

PowerUp/LaserEnable

Whenpoweringupthesensor,thefollowingshouldoccur:

•AllLEDsturnONfor1second

•Allow1.25seconddelayforLaserEnableatpowerup.(Ifsensorisalreadypoweredup,allow0.25secondforLaserEnable.)

L-GAGE®LaserGaugingSensors

InstallationNotes

Sometargets(thosewithasteppedplanefacingthesensor,aboundaryline,orrounded

Class2SafetyNotes

Low-powerlasersarebydefinition

incapableofcausingeyeinjurywithinthedurationoftheblink,oraversionresponseof0.25seconds.Theymustalsoemit

onlyvisiblewavelengths(400-700nm).Therefore,anocularhazardcanonly

existifanindividualovercomestheir

naturalaversiontobrightlightandstaresdirectlyintothelaserbeam.Theproductrequirementsfortheselasersaretohavea[hazard]labelandtohaveanindicatorlighttoindicatelaseremission.

Thetwooperationalsafetyrulesare:

•Donotpermitapersontostareatthelaserfromwithinthebeam

•Donotpointthelaserataperson’seyeatcloserange

BeamPaths:

Thebeamemittedbyaclass2laser

productshouldbeterminatedattheendofitsusefulpath.Openlaserbeampathsshouldbelocatedaboveorbeloweye

levelwherepractical.

RADIANTPOWER0.2mW

9.8KHz11-20%DUTYCYCLE

640-660nm

Compliesto21CFR,Parts1040.10and

1040.11exceptfordeviationspursuantto

LaserNotice50,dated7-26-01.

targets)posespecificproblemsforsensingdistances.Forsuchapplications,seeFigure5forsuggestedmountingorientations.

Recommended

NOTRecommended

Figure5.Sensororientationsfortypicaltargets

CAUTION...Thissensorcontainsnouser-serviceablecomponents.Donotattempttorepair.Incorrectcomponentvaluesmayproducehazardouslaserradiationlevels.

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L-GAGE®LaserGaugingSensors

Specifications

SensingRange

LG5:45to60mm(1.77"to2.36")

LG10:75to125mm(2.95"to4.92")

SupplyVoltage

12to30Vdc(10%maximumripple);50mAmax@24Vdc(exclusiveofload)

SupplyProtectionCircuitry

Protectedagainstreversepolarityandtransientovervoltages

DelayatPower-up

1.25seconds

SensingBeam

650nmvisibleredIECandCDRHClass2laser;0.20mWradiantoutputpower

OutputConfigurations

Discrete(switched)andalarmoutputs:SPSTsolid-stateswitch;chooseNPN(currentsinking)orPNP(currentsourcing)models

Analogcurrentoutput(LG...IModels):4to20mAor20to4mA(currentsourcing)Analogvoltageoutput(LG...UModels):0to10Vdcor10to0Vdc(voltagesourcing)

OutputRatings

Discrete(switched)andAlarmoutputs:100mAmaximumOFF-stateleakagecurrent:lessthan5microamps

Outputsaturationvoltage

PNPoutputs:lessthan1.2voltsat10mAandlessthan1.6voltsat100mA

NPNoutputs:lessthan200millivoltsat10mAandlessthan600millivoltsat100mAAnalogoutput(LG...IModels):1kΩmax@24Vdc,maxloadresistance=[(Vcc-4.5)/0.02]ΩAnalogoutput(LG...UModels):2.5kΩminimumloadimpedance

OutputProtection

Discreteandalarmoutputsareprotectedagainstcontinuousoverloadandshortcircuit

OutputResponseTime

DiscreteOutputs

Fast:2.0millisecondsONandOFFMedium:10millisecondsONandOFF

Slow:100millisecondsONandOFFAnalogOutput(-3dB)

Fast:450Hz(1millisecondaveragewith1millisecondupdaterate)Medium:45Hz(10millisecondaveragewith2millisecondupdaterate)Slow:4.5Hz(100millisecondaveragewith5millisecondupdaterate)

AnalogResolutionandRepeatabilityofDiscreteTripPoint*

AlsoseeFigures3and6

LG5:Fast:<40microns@50mm

Medium:<12microns@50mmSlow:<3microns@50mm

LG10:Fast:<150microns@100mm

Medium:<50microns@100mmSlow:<10microns@100mm

AnalogLinearity*

*Resolutionandlinearityspecified@24Vdc,22°C,usingawhite

ceramictestsurface(seeApplicationNotes)

LG5:±60microns(±0.002")

over45to60mmsensingwindow

±10microns(±0.0003")

over49to51mmsensingwindow

LG10:±200microns(±0.008")

over75to125mmsensingwindow

±20microns(±0.0008")

over95to100mmsensingwindow

MinimumWindowSize(AnalogorDiscrete)

LG5:1.5mm(0.06")

LG10:5mm(0.2")

Hysteresis(DiscreteOutput)

LG5:<0.2mm(0.008")

LG10:<1.0mm(0.04")

ColorSensitivity(typical)

LG5:<75microns(0.003")

forwhitetodarkgreyceramictarget

LG10:<100microns(0.004")

forwhitetodarkgreyceramictarget

TemperatureDrift

LG5:±7microns/°C

LG10:±25microns/°C

RemoteTEACHandLaserControlInputImpedance

18kΩminimum(65kΩat5Vdc)

LaserControl

Toenablelaser:Connectgreenwireto+5to30Vdc

Todisablelaser:Connectgreenwireto0to+2Vdc(oropenconnection)250milliseconddelayuponenable/disable

RemoteTEACH

Toteach:Connectyellowwireto+5to30Vdc

Todisable:Connectyellowwireto0to+2Vdc(oropenconnection)SeeRemoteProgrammingonpages4and5.

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L-GAGE®LaserGaugingSensors

Specifications,continued

Adjustments

Responsespeed:PushbuttontogglesbetweenSlow,Medium,andFast(seeOutputResponseTime)

Windowlimits(analogordiscrete):TEACH-modeprogrammingofnearandfarwindowlimits(seeprogrammingprocedure).Limitsmayalsobetaughtremotely(seepages4and5).

Analogoutputslope:Thefirstlimittaughtisassignedtotheminimumanalogoutput.

Indicators

GreenPowerONLED:IndicateswhenpowerisON,overloadedoutputandlaserstatus.

YellowOutputLED:Indicateswhendiscreteloadoutputisconducting.

RedSignalLED:Indicatestargetiswithinsensingrangeandtheconditionofthereceivedlightsignal.

Tri-colorRed/Green/YellowTEACHLED:Indicatessensorisreadyforprogrammingeachlimit(indicatesredforanalogoutput,greenfordiscrete,andyellowforsimultaneousanaloganddiscrete.)

YellowFast/SlowLEDs:Combinationof2lightsONorOFFindicates1of3responsespeeds(seepage5).

NOTE:Seepage6formoreinformationonindicatorbehavior.

Construction

Housing:Zincalloydie-cast,platedandpaintedfinish

Coverplate:aluminumwithpaintedfinish

Lens:acrylic

Environmentalrating

IP67,NEMA6

Connections

2m(6.5')or9m(30')7-conductorshieldedPVC-jacketedattachedcable,or150mm(6")8-pinEuro-stylepigtailquick-disconnect.MatingQDcablesarepurchasedseparately(seepage11).

OperatingConditions

Temperature:–10°to+50°C(+14°to122°F)

Maximumrelativehumidity:90%at+50°C,non-condensing

VibrationandMechanicalShock

Vibration:60Hz,30minutes,3axes

Shock:30Gfor11milliseconds,halfsinewave,3axes

ApplicationNotes

Forcomparison,awhiteceramictestsurfacehasapproximately91%ofthereflectivityofawhiteKodaktestcardwithamattefinish.Adarkgrayceramictestsurfacehasapproximately11%ofthereflectivityofawhiteKodaktestcardwithamattefinish.(Allow15-minutewarm-upformaximumlinearity.)

Certifications

LG5ModelsLG10Models

Resolution(microns)

45

40

35

30

25

20

15

10

5

0

Fast

Med

ium

Slow

4550556065

Distance(mm)

Resolution(microns)

Fast

Slow

Med

ium

225

200

175

150

125

100

75

50

25

0

7595105115125135

Distance(mm)

Figure6.L-GAGEresolution,withrespecttospeed(typical,usingawhiteceramictarget)

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2

2

+

12-30Vdc

+

12-30Vdc

7

7

–

–

1

1

4-20mAor0-10V

4-20mAor0-10V

+–

Discrete

Alarm

+–Discrete

5

6

5

Load

Load

AlarmLoad

6

Load

4

4

RemoteTeachLaser

Control

+5-30Vdc

+5-30VdcON0VdcOFF

RemoteTeachLaser

Control

+5-30Vdc

+5-30VdcON0VdcOFF

3

3

8Shield*

8Shield*

L-GAGE®LaserGaugingSensors

Dimensions

20.2mm(0.80")

55.3mm(2.18")

45.5mm(1.79")

RADIANTPOWER0.2mW

98KHz.11-20%DUTYCYCLE

640-660nm

Compliesto21CFR,Parts1040.10and

1040.11exceptfordeviationspursuantto

4.6mm(0.18")

EmittedLight

LaserNotice50,dated7-26-01.

23.9mm

(0.94")

ReceivedLight

19.1mm

68.3mm(2.69")

(0.75")

82.3mm(3.24")

9.3mm(0.37")

ClearanceforM4(#8)Screws(2places)

NOTE:M4Mounting

Hardwareisincluded

Hookups

NPNModelsPNPModelsNOTE:HookupsarefunctionallyidenticalforeitherintegralorQDcable

ConversionfromCurrentto

VoltageOutput(LG..Imodelsonly)

3=Green6=Pink

2=Brown5=Gray8=Shield

Key

1=White4=Yellow7=Blue

V

**R

wh

bn+

bu12-30Vdc

–

**NOTE:Forbestresults,installasmallamountof

capacitance(e.g.,0.1µF)inparallelwiththeloadresistor

TypicalVoltageResponse

ValueofR

OutputVoltage

250Ω500Ω

1to5V

2to10V

†4to20mA(LG..Imodels)or0to10Vdc(LG..Umodels)

*Thebareshieldwireis