PLC及其網(wǎng)絡(luò)技術(shù)在大型機(jī)械設(shè)備改造中的應(yīng)用.pdf

1、浙江大學(xué)碩士學(xué)位論文PLC及其網(wǎng)絡(luò)技術(shù)在大型機(jī)械設(shè)備改造中的應(yīng)用姓名：陳鴻明申請學(xué)位級別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：麻紅昭20050101浙江大學(xué)傾I：學(xué)位論文ABSTRACTTheprogrammablecontroller(PLC)isakindofuniversalindustrialcontrolapparatus，whichtakesmicroprocessorasitscoreandintegratesmicrocompu

2、tertechnologyautomationtechnologyandcommunicationtechnologyThecontentthatthispaperstudiedistomakeuseofPLCtechnologytorealizetheintelligenttransformationoftheordinarylathe，redesigntheelectriccontrolsystemapplythelatestcon

3、troltechnologyandnetworkcommunicationtechnologytothelathetransform，andimprovethestabilityofthelathesystemandmachiningaccuracyThispapersummarizesthegeneralstructureofPLCcontrolsystemandnetworkcommunicationprinciple，putsfo

4、rwardtheprinciple，contentandstepofPLCcontrolsystemdesigning，andsummarizestherulesfordesigningPLCLadderdiagramwithtransplantmethodWiththetransformingofgroundborerT6220，thispaperintroducesthedesignmethodofPLCcontrolsystema

5、ndrealizedcourseNewtechnologiessuchasservocontrollingandPPInetworkcommunication，etcareappliedtothecontrolsystemofthelathetransformationItalsohasproposedtheprecautionswhiletransformingAccordingtothedemandofthe4MVerticalLa

6、thecontrolsystem，thispaperhasstudiesSiemenslS7200seriesPLCserialcommunicationtechnologymadethefreeportmodecommunicationprotocolbetweenPLC，andprovidedsomecodeswhichrealizethisprotocoThroughthefreeportmodecommunicationprot

7、ocol，acceleratethespeedofcommunicationbetweenPLC，hasmetthesystematicdemandAtlast，thispapersummarizestheadvantagesanddisadvantagesofthelathestransformationwithPLC，andproposesthedesigningthongbtofmanagementandcontrolintegr