基于dcs与现场总线集成的管控一体化系统的设计与实现

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1、山东大学硕士学位论文ABSTRACTFieldbusmakcsenterprise'sinformationnetworkextendtoproducingsitescene,anditwillleadtoOCCUI"arenovationincontrolsystems．Becauseoftheenormousinterests，thetrendthathasnowayouthasappearedinmakingtheinternationalstandardoffieldbus．Meanwhile，commercialEthernetbased0111TCP／IPpr

2、otocolhaspermeatedthroughtheindustrycontrolfieldgradually．Buttheenduserhastofacethechoicebetweentheoldsystemsandllllm．erousnewtechnologies．Sointegratingmultitudinousbusesandsystemstobuild觚integrativenetworkplatformformanagementandcontrolisthemostsuitablechoicetousers．Tomeetthisneed,thepap

3、erhasanalyzedthecollr∞andlrendofcontrolsystemsatfirst,andhasproposedtheopinionthatcontrolsystemhasbeenmolelikeanetwork．Onthisbasis，enlerprise'sintegrativenetworkslructuremodelisestablished,namelyInfranet／Intranct／Intemetmode．Infi-anetisthecOl*eofintegration．Forisomerfieldbusnetworks，theme

4、thodstorealizetheintegrationofthenetworks，controllingandapplicationa靶propounded．TointegratingtheInfi'anetandEthemetistilekeytoellterprisctsintegrativesystem．OPCtechnologyisadoptedextensivelytosolvethiskeyproblem．Traditionalsystem,DCS，stillhasstalwartvitality．Manymethodsa糟giVeninthispapert

5、ocombinethemtogether．Fieldbusinterfacecardc锄integrateFCSintotheI／OsubsystemmoduleofDCS．TheyalsoClillrealizedataexchangethroughgateway．OrwecaninterconnectthematupperLAN．Finally,thepaperprovidestheplanofdesignoftheintegratedinformationsystemofjinanadvancedfiberCO．LTDOnfieldbustechnology．Par

6、tofthedesignhavealreadypasseddebugging,andsteppedintoaSSI眵$operationstage．Accordingtotheperformance，thesystemhasexertedallstrongfunctionoffieldbusesasthebottominformationnetworkofenterprises，hasoptimizedthecontrolandsavedthecost．Theintentiontorealizetheintegrationofcontrolandmanagementhas

7、realizedbasically．．Keywords：Thetubecontrolsintegrated,fieldbus，systemintegration，Ethemet。0PC2山东大学硕士学位论文第一章绪论1．1引言计算机数字通信技术及信息技术的发展，推动了自动化技术的进步；特别是近十年来兴起的现场总线技术(Filcdbm)，是计算机数字通信技术向工业自动化领域的延伸，它的发展将促使自动化系统结构发生重大变革，是传统的基于PLC及DCS控制技术系统发展的必然归宿。现场总线技术的一个显著特点是其开放性，允许并鼓励不同厂