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1、浙江大學(xué)碩士學(xué)位論文基金會(huì)現(xiàn)場總線數(shù)據(jù)鏈路層協(xié)議軟件研究與開發(fā)姓名：金云飛申請學(xué)位級別：碩士專業(yè)：檢測技術(shù)與自動(dòng)化裝置指導(dǎo)教師：馮冬芹20060301浙江大學(xué)碩上學(xué)位論文基金會(huì)現(xiàn)場總線數(shù)據(jù)鏈路層協(xié)議軟件的研究與開發(fā)ABSTRACTThmeenttro1fd?ntd?uonStar1Caon1stCroa11Seystemisn0tsat?Sf?edwiththedeVe10Pnow?And?nthef?e1d0findustra1automation■theana10gtransferr?1ng?1sn0wb
2、e?1ngreP1acedbydig?ta1communiCationw?1ththedeVe1oPment0fthec0mputersc?1ence9micr0—e1ectr0n?1candcommun?1cationtechno10gy?Astheresu1tfie1dbusbasedC0ntr01systemhasbcenbroughtf0rward?ThereareIw0ma?1ncharacters?nF?e1dbus■onei:5digiIa1communicaIion?ndinIe11igent
3、proce$s<0ffie1dmeters,andth€?0iiheri$thatit*Seasytointergreation.Asthcresult,fieldbusbccanrestheimportanttechnoIogynthefieldofindustrycontroystem.DataLinkLayer(DLL)ofFFHlstandardistheobjectinthispaper,andthisPaPer?1sbasedontheProjreresearchanddeVe10Pment=Th
4、ekeytecnTdatatransin?1ssionandDLtimen■someusefu1methodsarebroughtforwdeVe10pment?Thcreairesi:Kchapt:crsinthispadeScrbed.InchaPter2,tandard?1sintrodUced,andthcm0du1es0fDLLarccr?1bcd?theardper.briectof^FFHIcommunicationstacksoftwahniqueofDLL,suchasynchronizat
5、ion,atosolvetheprobInchaptcrl,somchissystemarchitecsDLLinitializatioremainlyfocusedo1emofthetoryofcontro1systemistureofH1protocolsThefo11owingthreechaptersarethemost1yimportantcontcntsinthispapcr?InchapLer3.theDLLinitia1izationiSanalyzed?Tosolvetheproblemof
6、addressco11isionthere1ab1tyandtme1inesS0ftransmSS0nareanalyzed?1nthebeg?1nn?ng0fchaPter5thePr0gress0fDLt?mesynchr0n?Zat?0n?sstud?ed.Th(enthek?eyPart0fDLtmenamed10ca1c0Unter(crrr)isdesgned■T0impr0Vetheprecision0fsynchr0n?1zat?10n9tw0k?nds0fCNTfrequencyad?Jus
7、tment?sbr0u曲tf0rward?Andakind0ft?merbascd0nDLt?mc?namcdL?nkSchcdu1ct?mer(ust?mcr),?sdcs?gncd?Inthe1astchapt€?rthis:paPe?rsummar?14Iesa11thePrev:iousW0rkandgivessomeadV?1cesf0rsubsequentwork?TheProtoc01conformancetwistofcmmun?1cat?10nstacks0ftwarehasbeenPass
8、ed,thatm(?anstheDLLworkswe11?Keywords：Fieldbus,FoundationFieldbus,CommunicationProtocol,DataLi1lkLayer,Datatransmission,DLTimesynchronization浙江大學(xué)碩丄?學(xué)位論文基金會(huì)現(xiàn)場總線數(shù)據(jù)鏈路崖協(xié)議軟件的研究與開發(fā)第一章緒論1?1工業(yè)控制系統(tǒng)發(fā)展歷史在木世紀(jì)40年代以
