邦纳传感器的使用说明.doc

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1、Settingthecutoffdistance截止距离的调节Usingasmallscrewdriverintheadjustmentscrew，adjustthecutoffdistanceuntilthethresholdisreachedandthegreenlightindicatorchangesstate.（IftheindicatornevercomesON,thebackgroundisbeyondthemaximumsensingcutoffandbeignored。)用一个小起

2、子调节螺丝旋钮，调节截止距离，直到其临界值且绿色指示灯状态变化.（如果指示灯没有on，则为背景超过了最大传感距离，且被忽略）Notethepositionoftherotatingcutoffpositionindicatoratthisposition.注意，旋转的该位置就是截止位置.Thenrepeattheprocedure，usingthedarkesttarget,placedinitsmostdistantpositionforsensing.Adjustthecutoffsothatt

3、heindicatorismidwaybetweenthetwopositions。重复以上过程，在黑暗目标，用更远的距离进行感应，调节截至距离直到其在两个刻度的中间位置.SensingReliability传感器可靠性Forhighestsensitivity,thesensor—to-objectdistanceshouldbesuchthattheobjectwillbesensedatornearthepointofmaximumexcessgain。为了获得高灵敏度,被检测物体的感应距离必

4、须满足以下条件：该物体必须要在传感器的额定增益之内.Theexcessgaincurvesonpage1showexcessgainvs。sensingdistancefor200mmand2mcutoffs。该增益曲线如第一页所示,额定增益的距离为200mm到2m之间。Maximumexcessgainfora200mmcutoffoccursatalens-to-objectdistanceofabout150mm，andfora2mcutoff，atabout500mm.最大额定增益为200毫

5、米时，截止距离在透镜到检测物体的距离约150毫米，2米时,约500毫米。Thebackgroundmustbeplacedbeyondthecutoff，atabout500mm。Followingthesetwoguidelinesmakesitpossibletodetectobjectsoflowreflectivity，evenagainstclose-inreflectivebackgrounds。其背景都必须放在截止面以外约500毫米。检测低反射率的对象，下面的两个指标是可行的，即使针对

6、近程反射背景。Backgroundreflectivityandplacement背景反射率和安置Avoidmirror-likebackgroundsthatproducespeculareflections。Falsethesensor’slightmorestronglytospousewilloccurifabackgroundsurfacereflectsthesensor’slightmorestronglytotheneardetector（R1）thantothefardetecto

7、r（R2）.避免镜面背景而产生高光反射，错误的感应光太强会产生诸如背景表面反射光强于,附近的检测物大于更远的检测物SettingtheoutputdelayTheoutputofQ60AFsensormaybedelayedbetween0.008and16seconds，inanyor72increments.Delayisindicatedonthe5—segmentlightbarusingsingleLEDsegmentsorcombinationsofthem,invaryingstage

8、sofintensity。Majorincrements,displayedbyasinglefull—intensityLED,areshowninfiure13.该传感器的延迟时间为0.008到16秒可调。Tosetadelay，single—clicktheappropriatebuttonorpulsetheremotewireasshowninfigure14toenabletheprocess。