诚信经营是公司制胜的法宝，与客户建立长期稳定共赢的合作关系是我们一直在努力的方向。通过严格的质量控制，***的管理，技术，和低成本控制，我们给客户提供有竞争力的产品和优质的服务!充足的库存，心动的价格等着您，欢迎来电详询！我们不生产PLC，我们只做全新原装的搬运工!ABB3HAB8796-001DSQC266ACD4511是一个用于驱动共阴极LED（数码管）显示器的BCD码—七段码译码器，特点：具有BCD转换、消隐和锁存控制、七段译码及驱动功能的CMOS电路能提供较大的拉电流。可直接驱动LED显示器。CD4511是一片CMOSBCD—锁存/7段译码/驱动器，引脚排列如图2所示。其中abcd为BCD码输入，a为***低位。LT为灯测试端，加高电平时，显示器正常显示，加低电平时，显示器一直显示数码“8”，各笔段都被点亮，以检查显示器是否有故障。BI为消隐功能端，低电平时使所有笔段均消隐，正常显示时，B1端应加高电平。另外CD4511有拒绝伪码的特点，当输入数据越过十进制数9(1001)时，显示字形也自行消隐。LE是锁存控制端，高电平时锁存，低电平时传输数据。a～g是7段输出，可驱动共阴LED数码管。另外，CD4511显示数“6”时，a段消隐；显示数“9”时，d段消隐，所以显示6、9这两个数时，字形不太美观图3是CD4511和CD4518配合而成一位计数显示电路，若要多位计数，只需将计数器级联，每级输出接一只CD4511和LED数码管即可。所谓共阴LED数码管是指7段LED的阴极是连在一起的，在应用中应接地。限流电阻要根据电源电压来选取，电源电压5V时可使用300Ω的限流电阻。用CD4511实现LED与单片机的并行接口方法如下图：CD4511引脚图其功能介绍如下：BI：4脚是消隐输入控制端，当BI=0时，不管其它输入端状态如何，七段数码管均处于熄灭（消隐）状态，不显示数字。LT：3脚是测试输入端，当BI=1，LT=0时，译码输出全为1，不管输入DCBA状态如何，七段均发亮，显示“8”。它主要用来检测数码管是否损坏。LE：锁定控制端，当LE=0时，允许译码输出。LE=1时译码器是锁定保持状态，译码器输出被保持在LE=0时的数值。A1、A2、A3、A4、为8421BCD码输入端。a、b、c、d、e、f、g：为译码输出端，输出为高电平1有效。1.CD4511的引脚MatsushitaTX-1424AD-PZRTOkuma1911-2632TOEITSUSHINKOGYOCoTLC-1023SharpLM64183PNECMSLNEC104PW161OkumaE331-104ToshibaLTM10C209HLambdaLSS-37-24MillingMachineVice150mmextafeWilcockM19-2-GOMetalRollingandwirerodtubeDrawingMachinedrawbench***eryCharpyIzodPendulumimpacttesttestertestingmachine300J300JouleBodinerotarytransferDrill/InsertMachineBodinerotarytransferDrillTapInsertMachinePLCControlBrotherDesoutterSteelMachineMountingPedestal820mm330mmtopplate40.5kgPneumaticassemblypressjigwith100mmbore25mmstrokeramADVUL-100-25-PAPneumaticassemblypressjigfesto100mmbore50mmstrokeramGNU-100-50-PPVAPneumaticassemblypressjigtype15-23100mmbore25mmstrokeramPneumaticassemblypressjigwithlargeboreFestoramandtimerPneumaticassemblypressjigwithlargeboreParkerRamJ9586PneumaticassemblypressjigwithlargeboreramS1-03PneumaticassemblypressjigwithlargeboreRamandtimerJJA248BPneumaticassemblypressjig***C100bore70strokeCDA1B7N100-70PneumaticassemblypressjigA4withlargeboreramandtimerPneumaticassemblypressjigJJ15-23withFesto100mmbore25mmStrokeRamPneumaticassemblypressjigJJ4268withlargeboreParkerramCombinationVerticalandHorizontalMillingMachineExTafeCombinationTypeFWA41VerticalandHorizontalMillingMachineExTafeHorizontalMillingMachine.VilhPederson.ExTafeSurfaceGrinderVEBMikromatDresdenSFWwithMagneticChuck.ExTafe.Amta-WardCapstanturretproductionlathePneumaticpowerchuckHardnessTesterVickersBrinellWPMLeipzig250kgsetupBrinellHardnessTesterVickersBrinellWPMLeipzig250kgsetupVickersTequipmentNottinghamUKtorsionalmaterialtorsiontestapparatusextafelabJominyEndQuenchHardeningTestIndexingAttachmentmetricandimperialMillingMachineGuard,forcombinationverticalandhorizontalmillingmachine.MillingMachineGuard,forcombinationverticalandhorizontalmillingmachine.LargePerspexandRHSSteelGuardforMetalworkingmachineexTafedualhydraulicpressTOXpowerpackageS307012pressotechnikS30.30.150.12TOXS15.100.12airpoweredPressotechnikHydraulicpressassembly15tonneShimadzuRS-10T.V.universaltensilematerialtesttestertestingmachine100kNErnstLeitzGMBHWetzlar060-366.0MicroindentationHardnessTestermicroscopeEngineeringMetrologyMitutoyo176-105PrecisionAngleComparatorAttachmentToolHolderLathesuitQuickChangeToolPostdifferenttypeToolHolderLathesuitQuickChangeToolPostStorkStainlessSteelMachineGuardLargeLatheSteadyPressDieBolsterwithCroppingDieSetLargeMillingMachineVicewithRotatingPlate160mmwidejawVeryLargeMillingMachineVice8"200mm61KGPressDieBolster-RedPressDieBolster-YellowLargeCog25mminsidediameter240mmoutsidediameter40teethLatheFacePlate10"250mmMachinistPrecisionRightAngleBlockMillingMachine200x140x120mmAlbertGnehmG100RockwellhardnesstesterinsteelbenchtopcabinetG100LargeSlottedMachinistsPrecisionRightAngleBlockMillingMachine380x300mmHe***yDutyHydraulicMillingMachineViceorPressMillingMachineryAccessoryPrecisionMachinistsBlockPressPunchSet70mmDiePlateexternaldimension278mmInternaldimension72mmDiePlateexternaldimension278mminternaldimension120mmErloTCA-40GearheadPedistalDrill3phasewithcoolanttankDenison6000LBtensiletestingmachinematerialtesttester200mmcentreheighttr***elingLatheSteady250x80x379mmTaftPeirceSuperpowerMagneticMillingGrindingflatbedChuck115VoltPressDieBolsterBasePlate70mminternaldiameterLargefabricatedhydraulicpressNECNL6448BC33-46)