替代程控電源方案

ＰowerSｕpplyPｒojeｃtＡｇiｌent6612C(Kｅyｓｉght661２c)Pｏwｅrsupplyｒeplacｅment.

內(nèi)容TOC\o"1-3"\h＼z\uHYPERLINK＼l"_Tｏｃ4４4853937＂Feａｔure PＡGＥREＦ_Ｔoc４４４853937\h３HYPＥRLIＮK＼l"_Tｏｃ444８５３938"Ｋeyparts?PAＧＥREF_Toc４4４853９38＼ｈ4HYPERLINK\ｌ"＿Toｃ4４48539３9"OPＡ547TTＯ２２０?PAGEREＦ＿Ｔoc４4485３9３９＼h4HYPERLINK\l＂_Ｔoc４44853940"ArduｉnoＭega－2560 PAGEREF_Ｔoc444853940\ｈ5HＹPERLIＮＫ\ｌ＂＿Toc444８５3９41"ＡｒduinoMｅga256０eｘｔensｉoｎbｏard(shｉelｄ)(ｍeｇa2５60擴展板)?PAGEREＦ_Ｔoc44485394１\h7HYPERLIＮK\ｌ"＿Toc４４４85３９４2＂INA219poweｒmonitor PＡGERＥF_Toc44485394２\ｈ8ＨYPERLＩNK＼ｌ"_Toc44４８539４3"LCDdiｓｐlayi２Ｃ?ＰＡGEＲEF_Toｃ444853943\ｈ1０HＹPERLINＫto22０散熱片 PＡGEREF_Ｔoc４448５3944＼ｈ１0HYPEＲLＩNＫ＼ｌ＂_Toc4448539４５"DcＰOＷERSUPPLY ＰＡGEREF_Toc44４8５３945\ｈ１1HYPERLＩNＫ＼l＂_Tｏc444８5３９46"ＢOM PAＧEREF_Toc４44853９46\ｈ1２ＨYＰＥＲLINＫ\ｌ"_Ｔoｃ４４48539４７＂Schemaｔiｃ ＰＡGEREF_Ｔｏｃ４４4８5３947\ｈ13HＹPＥRLIＮＫ＼l"_Toｃ4４４853９4８＂OPAMPopa5４7?ＰＡGＥREF_Tｏc44485３９４8\h14ＨYＰERLINK\l＂＿Toc４44８539４9"I_LＩMFoｒmula?ＰAGERＥF_Toc4４4８53949\h１４HYPＥRＬINKVouｔFormuｌａ:?PAGＥRＥF＿Toc４4485３9５0\h15HYPEＲＬINK＼l＂_Toｃ444853951＂ＡｒduinｏBoardcｏnnectioｎ?PAGＥREF_Toc4４４８539５1\h16HYPERＬＩＮK＼l"_Toc４４485３９5２"cｕrreｎtlimiｔcaｌibraｔioｎ?ＰAＧEREF_Ｔｏc444853952＼h17HYＰＥRLＩNKｗIREｓOLDERING PAGERＥＦ＿Tｏc４44８5３953\ｈ錯誤!尚未定義書籤。ＨYＰERLＩNKＣalibration PＡＧEREF_Tｏc４４485３954＼h2３HYPERLINＫ\l＂_Toｃ44485３955＂Teｓtequiｐmentｒequｉremeｎt:?PAGERＥF_Toc444８539５５＼h23HYPＥRLIＮＫＣalｉbrａt(yī)ionｐrocedｕrｅ PＡGＥRＥＦ_Tｏc４448５3９5６\ｈ２3

FｅatureSCPIｃommａｎdｓuppｏrtInｔｅｒfacｅ:Ｃomporｔ(ｐｒｏtocoｌ:960０，N，8,1)Voｌtagｅoutｐut:0~9VCurrｅnｔOutput:0~2０0mA（mａx５0０mAｂutneedheａt(yī)ｓinkingsolution)Measｕrementcapabiｌity:Hight+2６V１ALｏw16V,4０0mAＭeasuresｐeed:<6mS,(AＰcoｍmａndrespoｎｓetiｍｅ65mS）?KeypartsＯPA547ＴTＯ220HYＰERLINKShopｐiｎglink～＝28~３８RＭBHｉgh-vｏｌｔageHigｈ－currenｔOPAＭＰTO220

ArduiｎｏMeｇａ－2５60HYＰＥRＬINKShoppiｎglink～=40ＲMBHYPＥRLINK＂＂\l＂dｅtail"＼t"＿bｌank＂ＧPIOAnalogMeasuremeｎtＤACｇｅｎｅratｅvoltagetｏOPA54８（2ＫHｚPWＭn/１０2４)Vｏltａge/Ｃuｒｒｅｎtcoｎtroｌ(2KHzPWＭn/1０2４)RS-２3２communiｃａt(yī)ioｎ（９6０0,Ｎ,８，1sameａｓKｅｙsighｔ6612c)ＬCDdｉspｌaycoｎtrｏl．16*2MFG,Modelｎaｍe,ｖersioｎ，ｉnｆoｒmａｔｉonVolｔage/Curｒentstａt(yī)ｕｓＤiｓ／CV/CCinformation(ｄisableoutput,cｏｎtrolvoｌｔagｅ，controｌcｕrrｅnt)

ArdｕｉnoMega２5６0extensｉｏnboａｒｄ(shield)(ｍｅga2560擴展板)HYPＥRＬＩＮKＳhoｐｐingＬinｋ?IＮA219powermｏnｉtorＭeaｓureｃuｒrentaｎdvｏltａge．Ｉ2Ciｎterfacｅ.HＹＰEＲLIＮKShｏpｐiｎgＬｉnｋ~=2４RMＢ?LCDｄispｌａｙｉ2CI２Ciｎterfaｃe.HYPＥRLＩＮKＳhopｐingLink~=１２RMＢto２20散熱片HＹＰERLＩＮＫShｏppingLｉnk~=０．5RMBＤcPＯWERＳＵＰＰLYSＰEC:12V2AHYPERLＩNK"＋2ａ%E7%９4%Ｂ5％E6%BＡ％90%E9%８0%82%E9％85％８Ｄ％Ｅ5%99%A8&sｕgｇeｓｔ＝0_１&＿inpuｔ_ｃharset=uｔf－８&wq=12v＋2ａ＆sｕggｅｓｔ＿ｑuerｙ＝12ｖ+２a&soｕｒce＝suｇgeｓt"Sｈoppinｇlink～＝30RＭＢ?ＢOＭAｒdｕinoMｅga2560（40）………………..*１Mega2560ｅxｔensionboａrd（shieｌｄ)(1０)………………．．*1OPA５４7T(３0)………………..*1INA219(24)………………．.*1Rｅs１5Kohm…forlowｐassｆilter(1)……………．.*2Ｃap１0uF(15Ｖ)SＭＤceｒamicforlｏwｐassfilｔｅr（5）……….*51．5K１%(forgainｃoｎtrｏl)（1)…….…………＊2tｏ220散熱片(1）…………………．…………*1LＣD顯示屏(12）1６02Ｉ2C5Ｖ…………….．………………＊112V／2ＡDＣpowｅraｄaptor………*1USB延長線1ｍ…………．.*1BＯMｔotalｃoｓt~=１3０Ｌabelhｏｕr２pieｃes／１ｄay（sｏlderinｇ+cａlibrａt(yī)ｉoｎ)?Schemａt(yī)icＧｏｏgleDOＣＨＹＰＥRLINKｌiｎktoCｈart

OＰＡＭPopa547Ｉ＿LIMFormulaＥxample:Ｉ_LIＭ＝0.500(cuｒrentliｍit5０0mA）ＡＤＣvoltageｗillbｅ4．75-3１600＊Iｌim／５0０0=1.59vComｍanｄ:Cｕrr:５００mＡCurｒ：0.5R1=R2＝1KGain＝1+R2/R1=2VoutFormuｌa：Ｖout＝Vin*２?ArduiｎoＢoardcｏnnectionArduinoMeｇa25６０ＡrdｕiｎｏUnoＲ３ＤIGITAＬＰIＮ0Ｒx1Tx2PWMOuｔｐutＶouｔConｔrｏl，ＣｏnnectｔｏOＰA54７:Ｖ+３ＰWＭOutｐutIlimcontｒoｌ,CoｎnecｔtoＯPＡ５47:Ilｉm４IＮＰUＴPＩN(ｏrforｃｅlowtodｉsaｂleouｔpuｔ)ConnｅctｔoOPＡ５47：E/Spiｎ(Enable/Sｔatus)V_Ｅ／SHIGH（ouｔｐutｅｎaｂled)Ｅ/SPinOｐenorFoｒceｄHIＧＨ(Ｖ–)>+2.4V(woｒkiｎgmｏde))Ｖ_+Ｅ/ＳLＯW(outpuｔｄｉｓabled)E/SPｉnForｃeｄＬOＷ(V–)＜+0．8V（ThermalShutdoｗnＳtａｔus）E/SpiｎＦoｒcelowtodｉsaｂleoutpuｔ?currenｔlimitcaliｂrａｔｉonＩ_lim＝(Ｖbaｓｅ-Vadｃ)*rａt(yī)eX=VbaｓｅY=ratｅＩ_liｍ=(Ｘ-Vaｄc)*ＹＳｅtdevicｅ:Ｖｏlｔ2VOUT１Ｄebug:1PＷM:3:714(expeｃtaround200mＡcurrentlimiｔ．)ｒeｃoｒdcｕｒｒentbyｃurreｎtｍetｅr.（I_２00mＡ）PWM:38４3(expecｔarounｄ100mAｃurrenｔlimit.)ｒｅｃordcurrｅnｔbｙｃurｒentmeteｒ.(I_100ｍA)PuteｑuatiｏninweｂsitｅＩ_200ｍA=(x－71４)*y,I_1００mＡ=（x-8４3)*ya=a=I200mAActualmeasurementcurrentunder200mAsettingb=I100mAActualmeasurementcurrentunder100mAsettingxyCase１:I_200ｍA=1４2mAI_100mA=７７．8ｍA142=（x?7１4)ｙ77.８＝(ｘ?843)ｙX=９99．33,Ｙ=0.497７PutbothvａlueinFＷcodeADC_Bａse=X,Ｒａt(yī)e=Ｙ

ＷiｒeSoldeｒｉngPｉｃturesUSBeｘtｅｎｓioncａbleCaｌｉbrationCalibrationprｏceｄureimｐlementedinGTSｓcrｉpfilｅ.Testeｑuｉｐmentrequirement:1:ｖoltagemeteｒ2:currｅntmeter（ｒange0～200mA)３DUＴ（ｗithextｅrｎalｐoｗeｒpｌug12V／2A)Cａlibｒatｉonprocedure儀器準備:電流表0~200mA電流表(需要越精準越好)步驟ＲUNscｒｉpfilｅ.Mａeｔay６612