PLC与变频器在热电厂循环水系统中的应用

:2004-05-27:2004-06-11:(1977-),,,,:PLC,(,310027):PLCPLCPLC:PLC;;;;:TP391.8;TM628:A:1001-4551(2005)02-0006-04TheApplicationofPLC&InverterinUseoftheCyclingWaterAutomationRenovationSystemintheHeatandPowerPlantWUDong2chu,YINGQun2min(TheCollegeofElectricalEngineering,ZhejiangUniversity,Hangzhou310027,China)Abstract:HearticlemainlyintroducestheapplicationbasedonthePLCandFrequencyconversiontimingcontrolsysteminuseofthecyclingwaterautomationrenovationsystemintheheatandpowerplant.Thestructure,themainfunction,thesoftde2signandhardwaredesignofPLC,thedesignoffrequencyconversiontimingcontrol,thedesignofsupervisorycontrolanddataac2quisitionwarepresented.TheNetworkcommunicationsbetweenTransducer,PLCandIPCalsotoucheduponinthispaper.Keywords:PLC;inverter;controlsystem;networkcommunications;configurationsoftware1,,8,,2,1,,;,,,;,,,1,PLC[3],,,,6Mechanical&ElectricalEngineeringMagazineVol.22No.220052005222©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2,(),PLC(LCU),,;LCU,(),,OPC,MIS:(1),/(2)/(3);PLC,(),PLC,,,;,;,,(4),,(5)3,2PLC(LCU),#1(LCU1)#1#6;#2(LCU2)#7#8,PLCDeviceNet(LCU)DH+223.1PLCI/O,LCURock2wellSLC5/04PLC[1]I/O;I/O46,84,30,16041746NI8,41746IM16,617462OW16;,,DH+,57.6Kbit/s,DH+[2]3000m,6000V,,AB1557,1557CSI-PWM,PLCDe2viceNet,,DeviceNet125-500Kbit/s,500m,63,DeviceNet1203-GK5DeviceNet,72005222Mechanical&ElectricalEngineeringMagazineVol.22No.22005©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.SLC1747-SDNDeviceNet,,3.22,DH+PCIPKTX,(LCU)1,,;,,MISOPC,OPC,44.1PLC,,PLCPID,,PID,3PLCPID,44.2WindowsNT(tm),RSView32(tm),LCU;;;dBase5,,34LCUPLC,PLC,,;:(1);;():,8Mechanical&ElectricalEngineeringMagazineVol.22No.220052005222©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.5RSLogix500SLC,RSNetworkforDeviceNet,DeviceNetSLC,RSNetworkforDeviceNe,RSLinxDH+DeviceNet,DH+DeviceNet,66,,,1,,5PLC,,;,DeviceNetPLC,,,,,,,,,DH+PLC,,,,:[1].[M].:,2000.[2].[M].:,2001.[3].[M].:,2003.[4].PLC200(..)[J].,2003.2005500,6000,,2005500600,12%16%,3:,300,178,,10,,,;,,,92005222Mechanical&ElectricalEngineeringMagazineVol.22No.22005©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.