ProfiMessage
I/Omodules.AProfiMessagedevicecanbefittedwithtwoI/Omodules.TheCAN-
connectionisestablishedinternally.
TheDCPCANbusforI/Oextensionsusesthe"Ext.BUS"port.IfaProfiMessage
devicehasaninsufficientnumberortypeofinputchannels,aslavedevicecan
thenbeconnectedtotheProfiMessagedeviceviathisport.(RefertoDevicecon-
nections).
Connecting the extension bus
Usetwistedpairshieldedcable(e.g.braidedLiYCY2x0.14mm2TP).Ensurethat
thestartandendconnections(i.e.atthemasterandatthefinalslavedevice)use
thesupplied120-ohmresistors.Theseproducethebussignallevelandprevent
interferencefromsignalreflection.TheHi(CANHigh)designatedportsmustbe
connectedtootherdevicesviaHi,andLo(CANLow)withLo.
Illustration in DataService Configurator
TheChannels tabliststhemodulescurrentlyconnectedaccordingtothetypeof
viewselected(hardwarevieworuser-defined)inthegroup"Extension(CAN)
bus"grouporasI/Omodulesfromthe(master)device.
I/OmoduleconfigurationisexplainedinConfiguringmodulechannels.
Configuring the extension bus
TheextensionbusprotocolcannotbechangedandissettoDCP (DelphinCANPro-
tocol).
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Delphin Technology AG
Dezember 2015
ProfiMessage Manual