三菱DeviceNet主站从站模块QJ71DN91用户手册(硬件)(英文).pdf

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1、DeviceNetMaster-SlaveModuleUser’sManual(Hardware)QJ71DN91ThankyouforpurchasingtheMitsubishiprogrammablelogiccontrollerMELSEC-Qseries.Priortouse,pleasereadthisandrelevantmanualsthoroughlytofullyunderstandtheproduct.MODELQJ71DN91-U-H-JEMODEL13JT21CODEIB(NA)-0800149-B(060

2、3)MEE©2000MITSUBISHIELECTRICCORPORATIONòSAFETYPRECAUTIONSò(Readtheseprecautionsbeforeusing.)Beforeusingthisproduct,pleasereadthismanualandtherelevantmanualsintroducedinthismanualcarefullyandpayfullattentiontosafetytohandletheproductcorrectly.Theinstructionsgiveninthism

3、anualareconcernedwiththisproduct.Forthesafetyinstructionsoftheprogrammablecontrollersystem,pleasereadtheUser'sManualoftheCPUmoduletouse.Inthismanual,thesafetyinstructionsarerankedas"DANGER"and"CAUTION".IndicatesthatincorrecthandlingmaycausehazardousDANGERconditions,res

4、ultingindeathorsevereinjury.IndicatesthatincorrecthandlingmaycausehazardousCAUTIONconditions,resultinginmediumorslightpersonalinjuryorphysicaldamage.NotethattheCAUTIONlevelmayleadtoaseriousconsequenceaccordingtothecircumstances.Alwaysfollowtheinstructionsofbothlevelsbe

5、causetheyareimportanttopersonalsafety.Pleasesavethismanualtomakeitaccessiblewhenrequiredandalwaysforwardittotheenduser.[DESIGNPRECAUTIONS]DANGERòIfacommunicationserroroccurstoadevicenetwork,thenodeinsuchacommunicationserrorwillbeinastateasfollows:(1)Themasternode(QJ71D

6、N91)maintainsinputdatawhichhadbeenreceivedfromtheslavenodebeforetheerroroccurred.(2)Whethertheslavenode’soutputsignalisturnedofformaintainedisdeterminedbytheslavenode’sspecificationsortheparameterssetatthemasternode.WhenusingQJ71DN91asaslavenode,theentereddatafrommaste

7、rnodebeforethefaultynodeismaintained.Byreferringtocommunicationsstatesoftheslavenode,arrangeaninterlockcircuitinasequentialprogramandprovidesafetymechanismexternallyoftheslavenodeinorderthesystemtooperatesafely.A-1[DESIGNPRECAUTIONS]CAUTIONòDonotbunchthecontrolwiresorc

8、ommunicationcableswiththemaincircuitorpowerwires,orinstallthemclosetoeachother.Theyshouldbeinstalled300mm(11.8inch)or