通用服務(wù)器端OPC的開發(fā)與應(yīng)用.pdf

1、上海交通大學(xué)碩士學(xué)位論文通用服務(wù)器端OPC的開發(fā)與應(yīng)用姓名：趙苑君申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：邵惠鶴20040221執(zhí)行時間提高了通信的實時性同時降低了硬件成本另外OPCClient和Server基于微軟的COMDCOM組件技術(shù)其開發(fā)具有語言無關(guān)性支持多種語言開發(fā)方便軟件隨新的OPC規(guī)范升級時只要添加新的接口升級方便而且與舊版本的兼容性好隨OPC規(guī)范以及OPC軟件開發(fā)技術(shù)和測試技術(shù)的不斷成熟OPC在理論和實踐中正

2、在成為工控行業(yè)的互操作標(biāo)準(zhǔn)由OPCCS實現(xiàn)實時無瓶頸即插即用的通信關(guān)鍵詞OPCCOMDCOMDMCplusTheDevelopmentApplicationofGeneralOPCServerABSTRACTInthetraditionalindustriesindustrialcontrolsoftwarehastodevelopdifferentdriverprogramsfdifferenthardware.Thosedriver

3、programsneedmodifyingevenwhenindustrialcontrolsoftwareisupdated.Thenonstardcommunicationprotocolsbetweenindustrialcontrolsoftwarethedeviceswillaffectthecompatibilityoftheinterfaceprograms.Thereexistrealtimeproblemsincomm

4、unicationwhensystemsarebecomingmecomplicated.Manyindustrialcontrolcompaniesdeveloptheirownprotocolsinterfaces.Thosedifferentsoftwarehardwaredevelopedbydifferentcompaniescannotcommunicatewitheachotherthusthecompatibilityp

5、roblems.InthisbackgroundOPC(OLEfprocesscontrol)specificationisestablishedOPCincludesseveralspecificationsbasedonMicrosoft’sCOMDCOMtechnology.Amongthemdataaccessspecificationisthemostfundamentalimptantone.Otherspecificati