火电厂输煤程控系统技术研究

上海交通大学硕士学位论文火电厂输煤程控系统技术研究姓名：罗永鑫申请学位级别：硕士专业：电子与通信工程指导教师：王杰;吴贤忠20070801IPLCPLCPLCPLCModicon984AQuantum#2#1#3#4PLCQuantumIIPLCABSTRACTIIIRESEARCHABOUTCOALCOVEYINGPROGRAMCONTROLSYSTEMOFTHERMALPOWERPLANTABSTRACTThepaperintroducesthepresentsituationanddevelopmenttrendofthecoalconveyingcontrolsystemfirstly,andanalysesthestructureandfeatureofProgrammableLogicController(PLC),whichisoneofthekeyequipmentofthecoalconveyingcontrolsystem.ItalsoresearchesthenetworkstructureofPLCanditsapplicationinthecoalconveyingsystem.ThecoalconveyingsystemofMawanGeneralpowerplantconsistsofMawansystemandXibusystem,whichareindependent.Thetwocontrolsystemsareindependenttoo.Afterdetailedanalysisandstudyonthetwosystems,thetwodifferentschemesaregivenaccordingtotheircharacteristics.TheMawancoalconveyingsystemwasputintoproductionearly.Itscontrolcomponentsareagingandfailedtoworkfrequently.Thesparepartsareexpensiveandboughthardly.Alongwithmoreworkbeingcompleted,itisnecessarytoupgradeandchangethecontrolsystem.Twopartsshouldbechanged:themainframeofPLCandRIODrops.ThepaperaboutmainframeofPLCchangediscussesthechangedcontent,schemeandfunctions.AlloperationsandsupervisioncanbedoneinthecomputersafterthemainframeofPLCandcomputersareupgradedandchanged.ThesystemissaferandhasmorefunctionsbecauseoftheQuantummainframeinsteadoftheModicon984A.Accordingtothesafetyandeconomy,theprincipleoftheRIODropschangeis:upgradingstepbystep,thedismantledcomponentsbeingusedasspareparts.TheDrop#2ischangedbeforeotherthreeDropsaredone.OfABSTRACTIVcause,thedifferentschemesareproposedaccordingtotheDropssite.Xibucoalconveyingsystemisnewproject.Onthebasisofsecurityandadvance,theschemeandtechnologyfunctionsarebediscusseddetailedly.Forthesparepartspurchaseandapplication,theQuantumPLCischosentoo.Theconfigurationchartanddetailedlistingaregainedafteranalyzingcarefully.Thesituationwhichtwosystemsareindependentisworseforsecurity.Afterstudy,theschemeisfoundthattwosystemsareunitedbycrossedflowandtheprogramcontrolfunctionsareoptimizedaswell.Therefore,thesecurityofthewholecoalconveyingsystemisimprovedgreatly.Keywords:coalconveyingsystem,programcontrol,research,PLC20082242008224200822411.1300MW1800MW#1-#41993#5#6()21.2(ProgrammableLogicControllerPLC)3C(controlcommunicationcomputer)PLCPLCPLCPLC(PLC)PLCPLC3--4FactoryLink-IVControlViewMIS31.312(PLC)PLCPLCPLC3PLC(PLC)PLCPLC4ModiconTSXQuantunPLCModiconTSXQuantunPLCQuantumPLC--Concept5I/O678I/OPLC941.4PLC5(PLC)2.1(PLC)ProgrammableControllerPCPCPersonalComputerPLCProgrammableLogicControllerIEC19851“”PLCCPURAM(ROM)I/OPLCPCPLC200300SIEMENSMODICONA-BGEOMRONPLCPLCPLC3010%PLCDCSFCSIPCPLCPLCPLC2.2[1-2]CPUPLC62.3PLCPLC[3-7]2.3.1PLCPLC1(1)(2)PLC(3)PLC(4)(5)2PLCI/O3(1)(2)I/O(3)(4)(5)(6)4PLC72.3.2PLC1PLCPLC2PLC3I/OI/O456ROM2.4PLCPLCPLCPLCPLC[8-12]PLCPLC2.4.1PLC1NBSPP(ProductivityPyramid)CorporatePlantAreaCell/supervisory/EquipmentDevice1NBSFigure1NBSmodelPLC81NBSPLCNBSNBSPLCPLC2PLCPLCNBSPLC2.4.2PLC1PLCCIMSPLCPLCSINEC-H2IEEE802.3EthernetMAP3.0ABDEC-netDCS2PLCPLCPLC9PLCPLCPLCPLCPLCCIMSDCSPCPLCPLC3PLC(1)PLCPLCIOOMRONHostLinkGECEMC-NET;(2)PLCDH+MODBUSMODBUS+OMRONSYSMACLinkHLinkWLink2.4.3PLC1PLC2PLCEthernetMAP3PLCPLC4PLC2.5(PLC)[13-14]:PLC101PLCPLC://I/OPLC:PIDPLC2PLCPLC3PLCPLCI/OPLCPLCPLCPLC4PLCNEMADINJISPLC0-600C,5-95%()15%PLC20PLCI/O5PLCPLC112.6(PLC)CIMS[15]PLC:1DCS2PLC3IEC61131-35:(LD)(SFC)(FBD)(ST)(IL)PLC4PLCPLCPCPLCDCSPLCCNCPLCPCPLCI/O64PLC47%,I/O64-25631%78%PLC3530%PLCPLCOEM5EIC()PLC2.7PLCPLCPLCPLC12PLC3.14300MW100010-152-34-62-4PLC133.2[16-17]120210034:56PLC143.31[18]2CRT345673.4123456783.5(PLC)(PLC),PLC(PLC)PLC15PLC1234HELP56789101112131415MIS3.6PLC3.6.1PLCPLCI/O[19-20]PLC163.6.2PLCPLCPLCI/O40256PLCPLC4300MWPLCPLCI/O2048641-4PLCPLCPLCCRTPLCPLC300MWMODICONPLCMODICONPLC1200MWPLC3.7PLC3.7.1PLC1[21-22]PLC172345678910113.7.2PLC123456PLCI/O7PLC183.8(PLC)PLCPLCModiconTSXQuantumPLC19ModiconTSXQuantumPLCModiconTSXQuantum[23-24]PLCModiconTSXQuantum(PLC)4.1QuantumPLCQuantumQuantumQuantumCPUI/O(I/O800)I/OQuantum2QuantumFigure2BlockdiagramofatypicalQuantumsystem.1QuantumCPU:QuantumCPUQuantumI/OCPUModiconTSXQuantumPLC20CPUQuantumCPUQuantumI/O133MHZ10/100MB/S1MB/SCPU655362QuantumI/O:QuantumI/OCPUI/O1780VAClI/O3Quantum:QuantumQuantumCPUQuantumI/O:(1)3A8A(2)(3)4Quantum9(1)/I/O(RIO)(2)ModbusPlus/I/O(3)ModbusPlus/(NOM)(4)ModbusPlusModbusPlus(5)TCP/IP(6)InterBus(7)SY/MAX(8)LonWorks(9)MMS5Quantum/I/O:Quantum/I/OQuantum:ModiconTSXQuantumPLC21(1)(EHC)(2)ASCII(ESI)(3)(HLI)(4)(MSX)(5)(MMS)4.2QuantumPLC4.2.1Quantum:1I/O2I/O(RIO)3I/O(DIO)QuantumCPUI/OI/OQuantum11QuantumTable1QuantumconfigurationschemeCPURIORIODIOI/ONoxI/O6/10/16RRONPNPOOI/O6/10/16RNPNPRNPONPI/O2/3/4/6ONPNPNPOONPR--O--NP--NOx--NOMNOANOE24.2.2I/OI/OQuantumQuantumQuantumI/O1(3)1416I/OCPUModiconTSXQuantumPLC22I/ORIO2QuantumTable2QuantumconfigurationcapabilityschemeI/OI/OI/OI/O64/6464/6430/321984/1984500/50044844844831744/317447840/784056/2856/2824/321736/868432/79261010162341.5MHz1MHz15000ft.(4573m)1500ft.(457m)ScansynchedI/OMomentumI/OModbusPlus31633I/OFigure3TypicallocalI/Oconfiguration.3I/OModiconTSXQuantumPLC23448I/O(1