Rockwell Automation 1784-KTXD Manuel d'utilisateur télécharger pdf (Page 7)

H—7

A- - November 2000  –2000

TheConfigureDF1CommunicationsDevicewindowiswhereallofthecritical

communicationconfigurationinformationisenteredpertainingtotheserialportsettings

ontheProgrammingPC.Thefirsttwo(2)entries,CommPort,andDevice

refertohardware.

• CommPort:-referstotheserialcommunicationportbeingusedontheProgramming

PC.MostmodernPCsonlyhave1ormaybe2serialports.Iftheserialcablefromthe

ProgramingPCtothePLCispluggedintothefirstserialportthenthedefaultchoice

ofCOM1iscorrect.IftheserialcableispluggedintoaserialportotherthanCOM1

thenclickthedropdownarrownexttoCOM1andchoosethecorrectCOMport.

• Device:-referstothetypeandmodelofthePLCthattheotherendoftheserialcable

ispluggedinto.Thereisafairlyextensivelistofchoiceshere

.

Thefollowingtablecrossreferencesthelisteddeviceswiththerealworlddevice.

DeviceListed RealDevice

PLC-CH0 EnhancedPLC-5processor

SLC-CH0/Micro/PanelView SLC-5/03,5/04,or5/05processor

Logix-5550SerialPort ControlLogix5550Processorserialport

ThisexampleisgoingtousethePLC-5processorsothecorrectchoiceisPLC-CH0.The

Auto-Configurebuttonwillnormallydeterminewhatthedeviceisattheotherendofthe

cable. However, if Auto-Configure does not sense the device properly you may have to

manuallychangethissetting.

ThebottomsectionoftheConfigureDF1CommunicationsDevicewindowpertainstothe

settingsoftheserialportonourProgrammingPC.Themostimportantthingaboutthese

serialportsettingsisthattheyhavetoexactlymatchwhattheserialportsettingsonthe

PLC.Ifthesettingsdonotmatchexactlyitwillbeimpossibletoestablishcommunications

betweentheProgrammingPCandthePLC.Furthermore,itisalmostagiventhatthe

defaultsettingsshownwillnotwork.

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Rockwell Automation 1784-KTXD Manuel d'utilisateur Page 7