BRONKHORST FlowDDE - OPERATION; BASIC: COMMUNICATION TO INSTRUMENTS AND SERVING CLIENT APPLICATIONS

BRONKHORST®
Page10FlowDDE     9.17.067
4 OPERATION
4.1 BASIC:COMMUNICATIONTOINSTRUMENTSANDSERVINGCLIENTAPPLICATIONS
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Once FlowDDEhas been started, the main window will appear. Itconsists of a menu bar, aninformation line and a
messagessection.
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InthemessagessectionthegeneralproceduretostartservingclientapplicationswiththeFlowDDEserverisdescribed
infoursteps:
1. ConnectaninstrumenttoaCOMportofthePC
2. Setthecommunicationsettings
3. Startthecommunication
4. WaituntilFlowDDEisready
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Usingthe
informationofchapter2and/orthehook‐updiagram,physicallyconnecttheinstrumenttotheCOMportof
thePC.
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4.1.1 Communicationsettings
Before communication to the instrument(s) can be made, the
communicationsettingshavetobecorrectlyconfigured.
OpenthecommunicationsettingsfromthemenuCommunication>>
Communication settings… or by pressing F2. The window shown at
therighthandsidepopsup.
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At Interface, the COM port and the baud
rate can be selected. For
mostinterfaces,thedefaultbaudrateis38400.
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At FLOW‐BUS some settings for the FLOW‐BUS interface can be set.
Thedefaultvalues(Autobusmaster+optimizeandbothprocessand
parameter chaining enabled) should only be changed in case these
optionsarenot
supported,i.e.onlyforlegacyinterfaces.
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OnOKthesettingsareaccepted,whereasonCancelFlowDDEretains
itssettings.
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In the main window, the actual communication settings are shown
belowthemenubar,nexttotheinterfacestatus.
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