PLC和上位机在污水处理控制系统中的应用

:100926825(2004)0220135202PLC:2003211202:(19682),,1990,,,030012:,,PLC,:,,PLC:X703:A,,,,PLC,,,,,,115m3,,/(A/B),PLC,,,122.1,,,,,MB+;(Hub)(TCP/IP)2.2PLC,,PLC,(1)(2),,H,(3),AHa,KiK1mA(Xa,Ya),B,AB:Xb=Xa+cos(90)[(Ha-Hb+1)0.8](4)Yb=Ya+sin(90)[(Ha-Hb+1)0.8](5);HbB,BHb,BHb1,(4)(5)B,1BHb2,Hb1,BHb2(4)(5),Hb2Hb1,Hb2HbB,BA,,AB,,,,,,,,,BHb2,,,,,,,,,,,OnscientificmeasurementTIANYing(TaiyuanMunicipalEngineeringCompany,Taiyuan030002,China)Abstract:Takingthemeasuringworkofoneearth2retainingwallasexampleutilizingprogrammedcalculatoronepracticalprogramispro2grammedandcombinedwithpolarmethodoftotalstationpracticaldesignideaisproposedforearth2retainingwall.Authorpointsoutthatsci2entizationandtechnicalizationistheinexorabledevelopmenttrendinmeasuresfield.Keywords:measurement,totalstation,program53130220041SHANXIARCHITECTUREVol.30No.2Jan.2004,,,PLC,4mA20mA,PLC,PLC;PLC,4mA20mA,33.1,,;MB+PLCWindowsNT,Intellutionifix,;;;,,;;;;,3.2PLC:(PLC1)(PLC2)(PLC3)PLC1:;BODCOD,(),:1):PLC(),2):,4mA20mAPLC,h1,,h2,,,,,,,:,(h1);(h2),;(h3),,h3,,h2,,h1,;,PLC2:;BODCOD,()AB,,,,,,/BODCOD,,,PLC3PLC:;,(),,,,(),:4PLC,,PLC,,,PLC,PLC,,,,,,PLCPLC,,,,TheapplicationofPLCandsupercomputerinthecontrolsystemofsewagetreatmentLIBing(TaiyuanMunicipalConstructionandDevelopmentDepartment,Taiyuan030012,China)Abstract:Combinedwiththefeaturesofsewagetreatmenttechnologythecompositionandcontrolwaysofthecontrolsystemofsewagetreat2mentwhichcomposedbyPLCcontrolstationandsupercomputerareintroducedaswellasitsmajorfunctionsinordertorealizethereal2timemonitoringofwholetreatmentprocess.Keywords:sewagetreatment,autocontrol,PLCcontrol63130220041