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1、FANUC数控系统PMC功能的妙用讲解FANUCCNCsystemwithitshighquality,lowcostandhighperformanee,themajorityofusershavebeenrecognizedandwidelyusedinourcompany,thesystemitself,throughcontinuouslongtimeworktest,lowfailurerate.Thefaultsareoftendetectedonperipheralsignal,suchasper
2、ipheraltravel,limitswitchandsoon.Inpracticalwork,understandingandfamiliaritywiththerichoperatingfunctionofFANUCsystem,thejudgmentandeliminationofperipheralfaultshaveamultipliereffect・Here,forexample,usethepowerful,easy-to-usePMCfeaturesembeddedintheFANUCsyst
3、emtoquicklydetectandeliminateperipheralfaults・Function1Operationmethod:press
4、SYSTEM
5、toswitchthescreen,press
6、PMC
7、key,andthenpressthecorrespondingkey,canenterthe
8、PMCLAD
9、ladderprogram,
10、PMCDGN
11、displayfunctionPMCI/Osignalandtheinternalrelayfunction,
12、PMCPRM
13、PMCdis
14、playparametersanddisplayfunction.Application:thecompanyofaJapaneseFANUCmachiningcenterwith18isystem,thecontentis2086ABNORMALPALLETCONTACTalarm(M/CSIDE),referringtothespecificationofthemachine,whichmeans'"processingzone",aseatsidetrayabnormalitydetectionsigna
15、lisX6・2PMC・TheAPCcenterofthemachiningcenterisadoublepalletrotatingturntable,andalargeamountofaluminumscrapsareaccumulatedintheprocessingarea・Therefore,itisjudgedthatthealuminumscrapsareaccumulatedatthebottomofthetray,sothatthetraybasecannotbecheckedbyair・But
16、atthistimethea1armcannotbeeliminated,themachinecannotdoanyoperation.TheprovisionsintheladderprogramminglanguageintheFANUCsystem,todisplayawarningmessageonthescreen,willdisplaythecorrespondinginformationrequestbit(Acoil)issettoifsetto〃0〃，clearthecorresponding
17、information.Thatistosay,toeliminatethisalarm,wemustmakethecorrespondinginformationdisplayrequestbit(A),andsetitto〃0〃"・Press
18、PMCDGN
19、〃
20、STATUS
21、〃toenterthesignalstatusdisplayscreen,searchfor"1〃informationdisplayrequestbit(A),check〃A10.5〃forThen,entertheladderdia
22、gramprogramtodisplaythescreen
23、PMCLAD
24、,findtheA10.5settingforladderloop,andfindthatthesettingconditionusesaholdrelayK9・1normallyclosedpoint,atthistimethestateisReferringtothemaintenanceinstructio
