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Figure 7 – Siemens 7 User Manual

Page 31

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Multiplexer Driver Developer’s Guide

7.4 Data Transfer

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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