基于DeviceNet的PC網(wǎng)卡嵌入軟件的設(shè)計與實現(xiàn).pdf

1、北京交通大學(xué)碩士學(xué)位論文基于Device的PC網(wǎng)卡嵌入軟件的設(shè)計與實現(xiàn)姓名：劉權(quán)申請學(xué)位級別：碩士專業(yè)：計算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：須德20040101北京交通大學(xué)碩士學(xué)位淪文AbstractFieldbuswhichappliestoproductionsiteisanopendigitizedandunderlyingcontrolnetworkwithmultispotcommunication.Itimplementsaserial

2、anddigitalcommunicationofbidirectionandmultinodebetweencomputerizedmonitoringcontrollingdevices.Itenjoysawideapplicationpossibilityfortheautomationsystemsintheproductionindustrytheprocessindustrytrafficandbuildings.Devic

3、eNetakindofFieldbustechnologypresentedbytheUSRockwellisoneofthemostadvanceddevicelevelnetworksappliedtotheindustrialautomation.InChinaDeviceNethasbeensetasanationalstandardwhichcontributestothetechnicalcommunicationamong

4、allthepartiesinvolvedinthedevelopmentproductionsellingandapplicationofDeviceNetfieldbustechnologysuchastheresearchinstitutesproductionenterprisesdistributorsandusers.UnderthebackgroundthisstudyattemptsondevelopingDeviceN

5、etcompliantproductsindependentlythusenhancingthedomesticapplication、abilityofindustrialautomationtechnologyandincreasingproductionefficiencywhiledecreasingproductioncost.Thestudyisofgreatimportanceinsynchronizingthedomes

6、tictechnologyofrelatedfieldswiththeinternationalleveltoacertainextent.Themajorcontentsofthedisquisitioninclude:1.Discussingthepurposeandmeaningofthesubjectbyintroducingthemajorfunctionsandcharacteristicsoffieldbusaswella

7、sintroducingthecurrentdevelopmentsituationandtheresearchsignificanceofDeviceNetasoneofthematurefieldbustechnologies.2.IntroducingtheprinciplesandprotocolspecificationsofDeviceNetincludingthenetworkmodelandobjectmodelofDe

8、viceNetthetechnologicalcharacteristicsofCANbusDeviceNetcommunicationprotocolandElectronicDataSheetetc.3.DiscussingthedesignschemeofDeviceNetPCSmartCommunicationNetCardrealtimemultitaskembeddedsoftwareaccordingtothefuncti