Siemens 7 - Manual (Page 31)

Multiplexer Driver Developer’s Guide
7.4 Data Transfer
s
Mux_Drv_DevGuide_v07 Page 31 of 36 2006-9-27
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7.4.2 Block Flow Diagram for Data Sent to the Module via Virtual Port
Figure 7: Block flow diagram for data sent to the module via a virtual port
WrSendRequest()
Send Request Flow of a virtual Channel with
scanning of Break Signal '+++'
only the schema
ReadIntervalTime=0
TotalTIme=0
ScanFlags=0
PlusNb=0
TimeStamp=ActualTimerTick
DlistInsertHead
SerMuxSend()
end