FieldbusModules
OperatingManualCommunicationinterfaces
1002971EN03
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4.5 PNOZmESPowerlink
4.5.1 ServiceDataObjects(SDOs)
AlltherelevantdeviceparametersandcurrentprocessdataoftheEthernetPOWERLINK
areenteredintheobjectdirectoryofthePNOZmulti2.Thesecanbereadandwrittenvia
ServiceDataObjects(SDOs).
ToenablethefieldbusmoduletobeincorporatedeasilywithinaEthernetPOWERLINK
network,theobjectdirectoryisavailableasanXDDfile.Thecontentisdescribedinthe
chapterentitledServicedata[ 65].
4.5.2 Servicedata
TheservicedataforEthernetPOWERLINKisdividedintothefollowingdataareas:
} ProcessdataBaseunitandexpansionmodules
} ProcessdataFieldbusmoduleandcommunicationmodule
} Diagnosticwords
} Enableelements
} Projectdata
} Devicedata
ThecontentoftheservicedataandaddressingaredescribedinthechapterentitledSer
vicedata[ 65].
4.5.3 ProcessDataObjects(PDOs)
APDOcanbeassembledindividuallyfromtheSDOs.
MaximumsizeforthePDOs:
} 254Bytesinputdata
} 32Bytesoutputdata
TheinputsandoutputsareviewedfromtheManagingNode.
4.6 PNOZmESProfinet
4.6.1 Cyclicalinputandoutputdata
Virtualinputsandoutputscanberequestedorsetdirectlyviathefollowingmodules.Each
elementcanbeselectedindividuallyinthemastercontrolsystem,e.g.virtualinputsi031.
Thedatawidthisalsoestablishedthisway.
Inputdata
TheMasterwritestothevirtualinputsofthePNOZmulti2.