LabVIEW在水源地远程监控系统中的应用

4223201112YangtzeRiverVol．42No．23Dec．20112011－07－17。[e-mail]1001－4179201123－0027－03LabVIEW1121．0140102．453400、LabVIEW。ModbusRS485PLCPC。LabVIEW。、。、。LabVIEWTP391A1－3。。。LabVIEW。、、。。11．1、31。1s7－200PLC2YW2010、、3RS485RS－4854ECS8100PLCRS485。120111、23LabVIEW。。1．2LabVIEW11。5km。LabVIEW8．5。PLCs7－200PLC。。PLC。2YW2010、、。YW2010PIC18、、、RS485Modbus。RS485、、Modbus、。111～1512～15。YW20102。PLCYW2010RS485ModbusECS8101PLC。2YW201033．1ModbusModbus。Mod-busModbusTCP/IPModbus。。Modbuss7－2001。1Modbuss7－200Modbuss7－200Modbuss7－200Modbuss7－200Modbuss7－200000001Q0．0010001I0．0030001AIW0040001HoldStart000002Q0．1010002I0．1030002AIW2040002HoldStart+2000003Q0．2010003I0．2030003AIW4040003HoldStart+4000127Q15．6010127I15．6030031AIW6004xxxxHoldStart+2x000128Q15．7010128I15．7030032AIW62xxxx－1ModbusASCIIRTU。ASCIILRCRTUCRCRTUASCII。ModbusDCSModbusRTU。Modbus。3．2s7－200。PLCModbusRTU8223LabVIEW。ModbusRTU。ModbusRTUs7－200ModbusRTUModb-us。ModbusMBUS_INITMBUS_SLAVE。MBUS_INITModbusMBUS_SLAVEModbus。PLC。3。9600AddressPLC16～3027～30。33．3LabVIEW。LabVIEWNINI。。LabVIEW。、、、、。RS485PLCPLCRS485。LabVIEWNIModbus、。4。NIModbusVI1MBSerialInit。VISA。2MBSerialMasterQueryReadHoldingRegis-ters。VI。3MBSerialMasterQueryReadDiscreteInputs。VI。4MBSerialMasterQueryWriteSingleCoil。VI。4LabVIEW100ms。1～15PLCNIModbus。4LabVIEW。、、、。90922011。1．C∥．199434－62．2．、C∥．199712－25．3．J．20082008478－81．Researchonsafetycontrolstandardsforanti－floatingstabilityofhydropowerhouseZHANGYong1XIAOPingxi1ANXuwen2HOUJianguo21．HydrochinaChengduEngineeringCorporationChengdu610072China2．SchoolofCivilandArchitecturalEngineeringWuhanUniversityWuhan430072ChinaAbstractToestablishanewsafetycontrolstandardsforanti－floatingstabilityofhydropowerhouseacalibrationanalysisonreliabilityforanti－floatingstabilityofhydropowerhouseisconductedusingthefirst－ordersecond－momentmethod．Thecali-brationshowsthatthemeanreliabilityindexvalueofanti－floatingstabilityforhydropowerhousedesignedaccordingtocurrentdesigncodeisfarbelowtherecommendedvaluesintheGB50199－1994．Wesuggestthatthesafetylevelofanti－floatingsta-bilityshallbeslightlyraisedwhenrevisingthecurrentdesigncodeandthevaluesforsafetyfactorareproposed．Designcalcula-tionsshowthattheanti－floatingstabilityofahydropowerhouseisbasicallycontrolledbythecasesofabnormaloperationorpow-erhousewithoutunitinstallation．Onlyafewprojectsmayneedalittleadditionalinvestmenttosatisfytheproposedsafetyfactorofanti－floatingstability．Keywordshydropowerhouseanti－floatingstabilityreliabilitysafetyfactor櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅first－ordersecond－momentmethod29。1．USBJ．201142767－69．2．PLCJ．201032780－82．3．GPRSJ．2009405109－112．ApplicationofLabVIEWinremotemonitoringsystemofwatersourcesLIJie1BoXufang1ZHAOShuang21．CollegeofInformationEngineeringInnerMongoliaUniversityofScienceandTechnologyBaotou014010China2．HenanWeihuaGroupXinxiang453400ChinaAbstractInthelightofstatequoofdispersedwatersourcesareadistributiondifficultmanagementandin－sitemanpowercontrolrequirementaLabVIEW－basedwirelessremotemonitoringsystemdesignisintroduced．UsingtheModbusprotocolthefielddevicecommunicationthroughtheRS485busisachievedandthecommunicationbetweenPLCandpowermoduleandthehostPCisrealizedthroughtheserialportserverbyawirelessLAN．ThehostcomputerappliesthemonitoringinterfacedevelopedbyLabVIEWsoftware．Theelectricparameterssuchasphasevoltageandlinevoltageofthepowersupplysystemcanbemoni-toredandcontrolledinrealtime．Andtheworkingstateofpumpcanbemonitoredaswellatthesametime．Thepracticehasprovedthatthesystemcanberealizedsimplythecommunicationcanbeachievedreliablyandhasagoodexpansibility．KeywordsremotemonitoringandcontrollingLabVIEWwirelessLANwaterplantmanagement09