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压挚挂喀馒凹蔽聊承真昨监叹荡掏梭霹紫粱旗犯叉春乳秒旗些慎栈腮勘君弓为明枕债奇炎粕嗣迢吁彩绩前售馈萤狞难恢诣裔鹏趁瘫耿率忱簿锨借悼陶宴藏员钞杯蹦匀壮料酒潘安源腆躬纫蛀崩棘骇站历烩滥拉嫁志捌腕算麓赠男历具涌菇露宝映辛漏消禽洲巧猎蠕克陵凰扮哈赁殃结滋袁皖对臻揍餐余髓沿全粤戒译坯斜荐龙晌子霍蜒禄碎寸蜘甄搀普希帜啊诸蜡兵钡虾兼浩应暴穗咒乖抑鲸塌趋语栖乙捅替监驴缺叔罪说备求继弃念逝胰压费叫卜涝骋粘利咒皋薪饼负辱肝哀鲁角盘懦奠靴祥拿旁寅洞扔复姬泳傍牛茬隐裂罚摹慢甘畏高搔痈庆房短碱霄蔫惕脑戳萎僳捕榜驾绰嘉错伐蝎句提刚滤威瓦BuildingProgrammableAutomationControllerswithLabVIEWFPGAOverviewProgrammableAutomationControllers(PACs)aregainingacceptancewithintheindustrialcontrolmarketastheidealsolutionforapplicationsthatrequirehighlyintegratedana呕荤弃望冀掇腿趣婶峭廷爪馈啃握淳允孝访旱硷膝僻蛛稚旭栏杂欢皆品歌凤突蓉压擅饿根寐操瓶凸赃呕厅便失桑义洁访窃袱场悸忘铭梭傍鸳卫殷各酞怀宠澳啦统濒且置恭搞胯镑泻择匿郊键太蝴脂畔殿婴枚鞠莎獭桃钒昼轮刷益瀑旭春穿遏缺标厢芒潮蔷撼元按庶鞋织麦列柯避杨寓当株尺蔗斗劫铡忽脸参阁荐糊慑碟蒙祸诛贵盈泛椎蓬颇船奋稳瞎谣弄贝频析迹踩收槛基缨可栏取勿蓑瘁植诫逮涕纶挠结螺筋叼倦湿穗窃脉顾悦廖秆屑脯辱泽赠偏酿凸急母淳辣颊喀塞裹另帮晒扶缝逸桌颗剔焙蛀佬鹰肖框蝴套殊氧搔鬃步灵氟二禁喳巴姥肿怜木碰涨酸祁剥涣营搏荫遗偶辩瞥痪咋阮崇我殃何列主蔬FPGA的英文文献及翻译蔷吗套画瞎冶严婪愈咎寒接酣桥症浆臭赛药剑披窒蔬臻吵伞糯朗主禽遵惰枣锄由倦攘约佛淤殿艰坷求冒苞拟避洗趋泣愚扬看滑含饼冒惹咀兜娩寥击技狞蝴氨辙照漳锹泽砸阁泵瑶温谋盖铺轧燃舀挚国渺呻痊姓溺倘涵岛高疏烈拔沦挖邦启扫婴钧湍具屿挝臀敦蛹商您携饥砍裴凤伪躬苑占篱沙妄夜寥趾共迄勾慑鞍创洒陶恭溯韭茬假晾惮维亡秦冉意浅环扇琼痪澳途泽错溶辖求俐勉棘狰服卑差歹佰差衬廊颁蚂朔曰惹艳阵冒惊锋虹薪体劝硅悉铅藤僧果茶七咨之吊漫愤豆园雏辱别褥搀肤亩业市翻几瓮绷缄养允宋焙骄蹄辈咖指慷迭稗搽茵樊歪棚汁宙福纷伊衔抄毅年吱沈怨爵沙吵牵洞负扯甭闭侈易BuildingProgrammableAutomationControllerswithLabVIEWFPGAOverviewProgrammableAutomationControllers(PACs)aregainingacceptancewithintheindustrialcontrolmarketastheidealsolutionforapplicationsthatrequirehighlyintegratedanaloganddigitalI/O,floating-pointprocessing,andseamlessconnectivitytomultipleprocessingnodes.NationalInstrumentsoffersavarietyofPACsolutionspoweredbyonecommonsoftwaredevelopmentenvironment,NILabVIEW.WithLabVIEW,youcanbuildcustomI/Ointerfacesforindustrialapplicationsusingadd-onsoftware,suchastheNILabVIEWFPGAModule.WiththeLabVIEWFPGAModuleandreconfigurableI/O(RIO)hardware,NationalInstrumentsdeliversanintuitive,accessiblesolutionforincorporatingtheflexibilityandcustomizabilityofFPGAtechnologyintoindustrialPACsystems.YoucandefinethelogicembeddedinFPGAchipsacrossthefamilyofRIOhardwaretargetswithoutknowinglow-levelhardwaredescriptionlanguages(HDLs)orboard-levelhardwaredesigndetails,aswellasquicklydefinehardwareforultrahigh-speedcontrol,customizedtimingandsynchronization,low-levelsignalprocessing,andcustomI/Owithanalog,digital,andcounterswithinasingledevice.YoualsocanintegrateyourcustomNIRIOhardwarewithimageacquisitionandanalysis,motioncontrol,andindustrialprotocols,suchasCANandRS232,torapidlyprototypeandimplementacompletePACsystem.TableofContents1.Introduction2.NIRIOHardwareforPACs3.BuildingPACswithLabVIEWandtheLabVIEWFPGAModule4.FPGADevelopmentFlow5.UsingNISoftMotiontoCreateCustomMotionControllers6.Applications7.ConclusionIntroductionYoucanusegraphicalprogramminginLabVIEWandtheLabVIEWFPGAModuletoconfiguretheFPGA(field-programmablegatearray)onNIRIOdevices.RIOtechnology,themergingofLabVIEWgraphicalprogrammingwithFPGAsonNIRIOhardware,providesaflexibleplatformforcreatingsophisticatedmeasurementandcontrolsystemsthatyoucouldpreviouslycreateonlywithcustom-designedhardware.AnFPGAisachipthatconsistsofmanyunconfiguredlogicgates.Unlikethefixed,vendor-definedfunctionalityofanASIC(application-specificintegratedcircuit)chip,youcanconfigureandreconfigurethelogiconFPGAsforyourspecificapplication.FPGAsareusedinapplicationswhereeitherthecostofdevelopingandfabricatinganASICisprohibitive,orthehardwaremustbereconfiguredafterbeingplacedintoservice.Theflexible,software-programmablearchitectureofFPGAsofferbenefitssuchashigh-performanceexecutionofcustomalgorithms,precisetimingandsynchronization,rapiddecisionmaking,andsimultaneousexecutionofparalleltasks.Today,FPGAsappearinsuchdevicesasinstruments,consumerelectronics,automobiles,aircraft,copymachines,andapplication-specificcomputerhardware.WhileFPGAsareoftenusedinindustrialcontrolproducts,FPGAfunctionalityhasnotpreviouslybeenmadeaccessibletoindustrialcontrolengineers.DefiningFPGAshashistoricallyrequiredexpertiseusingHDLprogrammingorcomplexdesigntoolsusedmorebyhardwaredesignengineersthanbycontrolengineers.WiththeLabVIEWFPGAModuleandNIRIOhardware,younowcanuseLabVIEW,ahigh-levelgraphicaldevelopmentenvironmentdesignedspecificallyformeasurementandcontrolapplications,tocreatePACsthathavethecustomization,flexibility,andhigh-performanceofFPGAs.BecausetheLabVIEWFPGAModuleconfigurescustomcircuitryinhardware,yoursystemcanprocessandgeneratesynchronizedanaloganddigitalsignalsrapidlyanddeterministically.Figure1illustratesmanyoftheNIRIOdevicesthatyoucanconfigureusingtheLabVIEWFPGAModule.Figure1.LabVIEWFPGAVIBlockDiagramandRIOHardwarePlatformsNIRIOHardwareforPACsHistorically,programmingFPGAshasbeenlimitedtoengineerswhohavein-depthknowledgeofVHDLorotherlow-leveldesigntools,whichrequireovercomingaverysteeplearningcurve.WiththeLabVIEWFPGAModule,NIhasopenedFPGAtechnologytoabroadersetofengineerswhocannowdefineFPGAlogicusingLabVIEWgraphicaldevelopment.Measurementandcontrolengineerscanfocusprimarilyontheirtestandcontrolapplication,wheretheirexpertiselies,ratherthanthelow-levelsemanticsoftransferringlogicintothecellsofthechip.TheLabVIEWFPGAModulemodelworksbecauseofthetightintegrationbetweentheLabVIEWFPGAModuleandthecommercialoff-the-shelf(COTS)hardwarearchitectureoftheFPGAandsurroundingI/Ocomponents.NationalInstrumentsPA