硕士论文-基于PLC控制的电子琴气动演奏系统的研制

华中科技大学硕士学位论文基于PLC控制的电子琴气动演奏系统的研制姓名：赵龙申请学位级别：硕士专业：机械电子工程指导教师：罗晓玉;易孟林20060429IPLCPLCPLCPLCGOTPLCIIAbstractWiththedevelopmentofcontroltheoryandmicroelectronictechnology,therehavebeengreatchangesinthecontrolmethodsofpneumaticequipment.Thecombinationofpneumatics,electronictechnologyandcomputertechnologydrivespneumaticcomponentstoadvancetowardminiaturization,intelligentandintegration,andwhichfurtherpromotetheapplicationofpneumatictechnologyinmanufacturingandautomatonindustry.Asanewkindofindustrialcontroller,PLChasbeenwidelyusedinpneumaticequipmentduetoitsgoodreliabilityandtechnicaladvancement,anditisoneofthekeydirectionsforthedevelopmentofthepneumaticequipmentfromthetraditionalrelayedcontrolintoPLCcontrol.Inthispaper,thecharacteristicsofpneumaticcontroltechnologyanditsdevelopmentareanalyzedfirst,followedbydetaileddiscussionofthewidelyusedsequentialcontroltechnology,includingthebasicprinciplesanditsapplicationinindustry.Basedonthebasicfunctionandrequirementandthewayofdesignofthepneumaticcontrolledperformingsystem,aswellasthecomparisonbetweenrelayedcontroller,sequentialcontrollerandPLC,PLCisselectedasthekeycontrollerofthesystem,mainlyresponsibleforthecontrolofelectromagneticvalves.Aconventionalpneumaticsystemusuallyhaslowreliabilityforitisconsistedofmanysinglefunctionalcomponentswhicharearrangedseparately.Besides,itbringsmuchinconvenienceforsystemfabrication,measurement,monitoringandmaintenance.Sointhisequipment,afterdetailedstudyandcomparisonofthecharacteristicsofseveralkindsofvalveterminals,andtakethepracticalrequirementoftheperformingsystemintoconsideration,themanifoldvalvewithmultipleterminalsisselected.Thevalveterminalaimstoreducethetimelimitandhelpstoacquirehighreliability.Tosoftwaredesign,thispaperdescribesthedifferencebetweenthetraditionalIIIprogrammingmethodusingladderlogicandtheprogrammingmethodsforsequentialcontrolbasedonsequentialfunctioncharts.ThenthecontrollingprogramiscarriedoutbyusingSTLofMitsubishi,whichstronglymatchesthedemandsofmultiplestepsandrapidresponseabilityofthesystem.Besides,thisprogrammingmethodismucheasierthanothermethodsandhelpstoreducethescanningtimealot.ArealtimemonitoringsystemisproducedbyuseofMitsubishihumanmachineinterfaceGOT.Thepracticaloperationprovesthatthispneumaticcontrolledperformingsystemhasstrongstability,andpresentswelltheadvantagesofpneumatictechnologysuchasgoodreliabilityandhighflexibility,whichalsoactsasthebaseforfurtherdesignandapplicationofsimilarsystems.Keywords:PneumaticTechnologySequentialControlValveTerminalPLCHMI11[1-2]PLC[2]1.1PLC21.2[4-6]:22%29%90%70%30%20%[6]50607080390[5]90PLCCAD604010%15%1%2%0.1%0.3%///4[346]126mm2.5mm4mmM32mm0.1W3(PLC)()()455300020005000km(PLC)[2-6]1.3PLC1.3.1PLCPLCPLC[7,8]PLC1-1PLC6(CUP)1-1PLCPLC[7-9]1I/OPLC2PLC3I/OI/O4PLCPLCPLCCPUI/O75PLCPLCI/OPLCPLCPLCPLCCPUROMRAMI/O[8-11]1.3.21-2[10]81-2[10]1.3.3PLC1PLCPLCPLCCPU100msPLC100msPLCI/OPLC9PLCI/O2PLC[11]1.4[12]PLCPLCPC10PLCASI/PLC1234561122.12-12-11402123456782.22-22-22-2132.2.12-312-3X-DX-D[15]14X-D40120.1345152.2.2150ms100ms2[26-27]16172.2.3PLCPLC[16]PLCPLCPLCI/O[7]PLCI/OI/OPLCPLCPLCPLC[17]PLC2-4PCPLC2-4PLCPLC18PLCPCPLCPLC4080ASIPLCPC192.31[18-20]PLC40PLC402-5312412345123452-532021SMCCJ2D10-15A2-62-6CJ2SMC2-12-1CJ2D10-15Amm10-10+7050750mm/sMPa1.051.00MPa0.7MPa0.06M50.82SMCSY30000.5W10ms212.4PLCPLC2233.112/4120/0.50.512-5232PLC[35-37]PLC3.23.2.124ON-OFF3-1[4]3-1[21]253.2.2PLCPLCPLCPLC3-2PLC[10]3-2PLCPLCPLCPLC123.2.3PLC2612310[10]3.327125mmPWMPCM/2SMCCJ2D10-15A2-128M0.4kgu300mm/s3-3Mmaxu2max12Mu3-3CJ23-4a3-4b[19]3-4c3-4a29(a)(b)(c)3-43.43.4.11[6]30FESTO2080ASI[3]PLCASI[27]2/31/()/[6,33]3142RS422RS485432CP/SMCEX500EX250EX120EX5103.4.2SMC1[4]AB()220PR233SMCDD360V10+-(-)(+)123412343-53-5+-123.4.334SMC1216PLC/1DIN233.5,,,,351[34],,,3-63-623-73-736PLC3.6SMC374PLCPC4-1GOTFX2N-80MRPLC+FX2N-16EYR4-14.1PLCPLCPLC1PLC[8,13,16,31]PLC123832PLC1I/OI/O20%30%225%30%[8]4-1PLCM=Km[(10DI)+(5D0)]M=Km[(10DI)+(5D0)+(100AI)]M=Km{[(10DI)+(5D0)+(100AI)][1+0.25]}DIDOAIKmM3PLCPLC4PLC10ms/1KBPLC23PLC39124040PLC50FX2N-80MR40FX2N-16EYR1620FX2N-80MRFX2N-80MR8K810,8K80010PLC4.2FX2NPLC1FX2NPLC1FX2NPLC90mm87mmDC24VPLC2I/O403FX2N82FX2NPLC[16]FX2NFXPLC0.08sµ8K16K256I/OFX2NPLC4-24-34-2FX2NPLCDC24V10X0X7DC24V10DC24V7mADC24V5mAOFFON4.5mA3.5mAONOFF1.5mA10msX0X17060NPNONLED414-3FX2NPLCAC240VDC30V2A/18A/COM80VA,AC120/240V100WDC5V2mADC24V5mAOFFON10msONOFF10ms4.3PLC4.3.1PLCI/O40PLCPLCPLC/4-4PLC40FX2N-16EYR1656424-4PLCI/O1X0005Y0072X0136Y01131X0017Y01342X0021Y01453X0032Y01664X0043Y02075X0054Y02186X0065Y02397X0076Y025108X0107Y027119X0111Y0401210X0122Y0414.3.2PLCPLC4-2PLCACDCPLC220V24VPLCDC24V24V51043FX2N-16EYRLNL1N1FX2N-80MRF940GOT-SWD-E4-2444.4PLCDUGOTGOTFXAPLCPLC[38]GOT1GOTPLC2PLCPLCON/OFFPLCON/OFFXYMSTCON/OFF3GOT1GOTPLCPLCF940GOT-BWP-C45F940GOT,PLCFX-10P-E15PLCF940GOT0.16GOT24V200mAPLC24VDC,GOTPLCRS-232FX-50DU-CABPLCRS-232FX-232CAB-1PC4.5PLCFX2NPLCPLCGOT4655.1PLCPLC123PLCPLC475-11122323143455-11PLCMSONOFF2/PLC3PLC485.2PLCPLC[39-47]1PLCSTL[16]SFXPLCSTLRETSSTLFXPLCSTLS0-S9S10-S19STLSTL5-2STLX401S601SS602Y431(b)S601Y431S602X401(a)5-249S