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Siemens Simatic S7-300 CP 341 - Figure 2-23 Flow Diagram for Receiving with End Criterion Fixed Message Frame Length

Siemens Simatic S7-300 CP 341
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Basic Principles of Serial Data Transmission
2.6 Data Transmission with the ASCII Driver
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01 69
The figure below illustrates a receive operation with the end criterion "Fixed message frame
length".
:DLWLQJIRU
FKDUDFWHU
&KDUDFWHUUHFHLYHG
ZLWKOHQJWKFRQWURO
DQGFKDUDFWHUGHOD\
WLPH
&KDUDFWHU
DUULYHG
0HVVDJH
IUDPH
FRPSOHWH
&KDUDFWHU
GHOD\WLPH
H[SLUHG
(QWHUPHVVDJHIUDPH
LQUHFHLYHEXIIHU
PD[0)VRU
E\WHV
:DLWLQJIRU
SDUDPHWHUL]HG
QXPEHURI
FKDUDFWHUV
(QWHUHUURULQ
67$786RXWSXWRI
WKH)%
0HVVDJHIUDPHEXIIHUHG
(QGFULWHULRQIRUPHVVDJHIUDPHLGHQWLILHGHUURUHQWU\IROORZV
Figure 2-23 Flow diagram for receiving with end criterion "Fixed message frame length"
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