-AS-i总线技术及其应用-讲座第5讲ASi主站的工作流程

AS2i5AS2i(,100084)AS2iAS2i,AS2i(PC,PLC)AS2i,,,:,,,,,,(LAS),AS2i(LPS),,1,,,,,4,AS2i1.1,:(IDI),,0(ODI)(PI)1311.2,AS2i:(CDI)AS2iI/O(LDS)AS2i,(LAS)1.3,AS2i,,(FPCD)131I/OID(PPV),(LPS)AS2i2AS2iAS2i,:ConfigOKLDS.0AutoAddressAvail,,76AS2i©1994-2012ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:DataExchangActiveOfflineAutoAddressEnable1,,0,,0,3,(:SetOff2lineMode,SetDataExchangeActive,ReadFlags),3.1ReadInputDataImageWriteOutputDataImage(4)WriteParameterAS2i,,,ChangeSlaveAddress,AS2i(),AS2i3.2,,,ReadActualConfiguration4ID4I/OGetLASGetLDSGetFlags3.3,:SetLPSSetPermanentParameter,,SetPermanentConfiguration(IDI/O)StoreActualConfiguration(CDI),StoreActualParameter(PI),3.4,()AS2i,(),0,,ID1,:;8626220052PROCESSAUTOMATIONINSTRUMENTATION,Vol.26,No.2,Febiuaiy,2005©1994-2012ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(LDS,0),ChangeSlaveAddress,04,,(),,,,,22,:;,4.1,,0,1,1AS2i,,,PLCHalt,4.2,33AS2iI/OID(LDS)I/OID(CDI),(PI),,(0),(LDS),I/OID(FPCD)I/OID,(LAS),(LDS),,(IDI),96AS2i©1994-2012ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(ODI),(IDI),,,,,(LAS)(LDS),(IDI)0,ConfigOK4,,,:;;I/OID;0;0;,AS2i,4AS2i55,ReadI/OConfiguration,031(LAS)AS2i,ReadI/OConfiguration,(LAS),AS2i,ReadIDcode,,AS2i,ID(LDS),AS2i,AS2i,,,ConfigOK,AS2i,,AS2i(:4-304,:4.50,:54.00;:M721),,,0726220052PROCESSAUTOMATIONINSTRUMENTATION,Vol.26,No.2,Febiuaiy,2005©1994-2012ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.