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:2008-03-05: (1973-),,,,。 :1006-2777(2008)05-0026-03Altivar38 , (, 338001) : ,,。Altivar38+PLC++,,,,,。 : ;;;;: TN773 : BApplicationofAltivar38InverterinWaterTreatmentSystemLUBin,YANGHua(XinyuIronandSteelCo.Ltd.,Xinyu338001Jiangxi,China) Abstract: Inordertorealizethewaterlevel'sstabilityofcirculatingcoldpoolformediumandheavyplateandavoidtheover-flowing,itisabletosaveenergyandreducepollutionmuchbetter.ThecontrolsystemesofdoublewaterpumparedesignedbycenterofwatertreatmentinsteelrollingareaatXingang,accordingtotheplanthatiscomposedofAltivar38inverter,PLC,softstaringandflu-viograph.Throughfrequencyregulation,frequentoperationofwatertreatmentisreducedandtheconstantpressurefrequencywatersup-plyisachieved.Thewholesystemoperationisstableandthereliabilityisraised. KeyWords: inverter;softstaring;fluviograph;waterpump;controlsystem0 ,。:,10%,。,,;,,,。,,,85%,。,,[1]。1 ,。285200810 JIANGXIMETALLURGY Vol.28,No.5October200824h,,,,,、、。,、。,20066～8,18,3。,,,,,。,,。,、,。,,。,,,,,,,。2 2.1 1～4,,1,“”,12,34,1,1,。Y2-315M-4(380V132kW240A),TelemecaniqueAltivar38,132kW。IEC、ULCSA,,,、、、。(VVVF),PI,PID。2.2 2,/。2,。1。1 ·27· 285 ,:Altivar382.3 QB4-200,,,2。2 2.4 //,。、LED,。PLC,,。,,。2.5 PLC,SiemensS7-300PLCSTEP7,、,,、4～20mA。,PcAdapter(MPI)PLC,。WinCC()Siemens,WinCC6.0,PLC,。,PLC,。/,,,,,。2.6 4～20mA,。,,,,。,UQC-50,5m。,,,,LBMGU-1/CK-1。,,。,,ZRK-VVRP2X1.5,PLCAI1,,。3 1)。,140A,40Hz,,;240A,50Hz,,38。2)。,18,2;3,1。、、、,1。3)。,,(下转第45页)·28· 200810 .InputMode=comInputModeBinary ' .Rthreshold=15 'l5(16) .Inputlen=0 ' .OutBuferCount=0 ' .InBuferCount=0 'EndWith IfNotMSConmd.PortOpenThen MSComm1.PortOpen=True '2EndIf3),bpqIn:DimiAsInteger,jAsInteger,cAsIntegerDimoutbyte(1To16)AsByte' DimbufAsByte ' Forj=1To10 '10 outbyte(1)=2 outbyte(2)=14 outbyte(3)=2 outbyte(4)=0 outbyte(5)=0 outbyte(6)=0 outhyte(7)=0 outhyte(8)=0 outhyte(9)=0 outhyte(10)=0 outbyte(11)=0 outbyte(12)=H4 outbyte(13)=H7F 0=Len(Hex(Val(bpqIn.Text)/1500＊H3FFF)) outbyte(14)=Clnt(Val(“H”+Left(Hex(bpIn.Text)/1500＊H3FFF),c-2))) outbyte(15)=CInt(Val(“H”+Right(Hex(bpIn.Text)/1500＊H3FFF),2))) buf=0 ' Fori=lTol5 bur=burXoroutbyte(i) ', Nexti outbyte(16)=buf ' MSComm1.Output=outbyte ' Nextj4),,,,。3 ,,,,。(上接第28页),,,,。4 200610,,,,,,“”。[][1] .[M].:,2004( )·45· 285 ,:VB