Siemens 7 User Manual

Page of 36
Multiplexer Driver Developer’s Guide 
7.4 Data Transfer
s
Mux_Drv_DevGuide_v07
Page 31 of 36
2006-9-27
Confidential / Released
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