基于PLC的MODBUS協(xié)議的研究與應(yīng)用.pdf

1、南京工業(yè)大學(xué)碩士學(xué)位論文基于PLC的MODBUS協(xié)議的研究與應(yīng)用姓名：黃麗薇申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：信號(hào)與信息處理指導(dǎo)教師：楊小健20070410ABSTRACTABSTRACTModb啪protocolisomoftllemost嘶delyusedfieldbusprotocolsmilldust巧fieldEverytypeofdeViCes(PLC，HMI，Con吶lPanel，DriV豇，L，oDeviceetc)c觚llseM

2、odb吣protocolt0讞tiatearemoteoperationSoImgate、ⅣaysallowC0mmullicationsb娟№enseVeraltypesofbuses0rne咖d【suSiIlgModbuSprotoc01Wi也也e咖ndofModb髑protocol，iIIlportanttechnolo西essuch蠲WebSever，TCP／PandE也emeta咒addediIlt0Ⅱ圯solutionofM

3、odb峭protocolapplicationn圮rese砌lofModbusprotocolh嬲pmcticalme鋤jIlgforn埭恤rdpartycommuIlic撕on，sySte：nninteI驢tion強(qiáng)dconce曲atedmoIlito曲gAt也ebegi珈[血g，∞meconceptSaboutPLCn咖orkc0刪nllIlicationwe他presente也such嬲SIMENSPLChardw玳I／Sofh硼

4、re，conl]municationme吐lods，血stakecon打oletcThenModbusapplica：tionpIotocol鋤ditS陀alizationonserialliIlewe他刪ysed，m2LiIllyinbytemode，codemechaIlism，‰e鼬m姍，checkcode，劬ctioncodeB弱ed∞comprehe∞ionofSnⅢ’NSPLChardw缸“sonw玳鋤dModb瑚proto

5、col，the蒯izationofModbuSlUUm嬲t酬slaveprotocol0nSⅡⅧ三NSS7300PLCw弱foc髑lydescribedA&rloadiIlgCP341poil缸一t0poi】吡commuIlicationprocessor，謝thtl他Modb憾slaveprotocol，PLCc0舢mu血catIed謝tllDCS弱slaveperf0m血gtlleorderSofDCS鋤d缸弛smittiIlgda

6、t嬲t0DCS，謝tlltheModbusmast盱protoC0l，PLCworked嬲maSter謝也localiIls饑姐entgettiIlglocaldat鷦Inapr∞ticalind岫，co咖rolproject_0鵬pacl(agiIlgconn0lsyStc弛PLC、^，imModbusIUUmastef／slaveprotocolw嬲co姐e鼬cdt0localins仉明entSandDCS，datas、Ⅳeretr