Siemens Simatic S7-300 CP 341 - Figure 2-16 Sequence of a Continuation FETCH Message Frame with a Continuation Response Message Frame

Basic Principles of Serial Data Transmission
2.5 Data Transmission with the RK 512 Computer Connection
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
58 Manual, 09/2008, A5E02191071-01
Continuation FETCH message frame
The figure below shows the transmission sequence when fetching data with a continuation
response message frame.
67;

'/(

(7;
%&&

'/(

67;

'/(

Ⴠ
Ⴠ
'/(

(7;
%&&

'/(

QWK%\WH
VW%\WH
QG%\WH
UG%\WH
WK%\WH
WK%\WH
WK%\WH
'/(
VW%\WH
QG%\WH
UG%\WH
WK%\WH
&RPPXQLFDWLRQSDUWQHUV&3
6WDUWFKDUDFWHU+
3RVDFNQRZOHGJHPHQW+
&RQWLQXDWLRQIUDPH))+
+
)(7&+UHTXHVW+
'DWDEORFN+
(QGGHOLPLWHU+
(QGGHOLPLWHU+
2QO\ZLWKEORFNFKHFN
3RVDFNQRZOHGJHPHQW+
6WDUWFKDUDFWHU+
3RVDFNQRZOHGJHPHQW+
&RQWLQXDWLRQUHVSRQVH
IUDPH))+
+
+
(UURUQXPEHU+
WK'DWDE\WH
WK'DWDE\WH
Ⴠ
Ⴠ
QWKGDWDE\WH
(QGGHOLPLWHU+
(QGGHOLPLWHU+
3RVDFNQRZOHGJHPHQW+
&RQQHFWLRQ
VHWXS
0HVVDJH
IUDPH
KHDGHU
&RQQHFWLRQ
WHUPLQDWLRQ
&RQQHFWLRQ
VHWXS
5HVSRQVH
IUDPH
KHDGHU
%HQHILW
LQIRUPDWLRQ
&RQQHFWLRQ
WHUPLQDWLRQ
2QO\ZLWKEORFNFKHFN
&RQWLQXDWLRQUHVSRQVHIUDPH
&RQWLQXDWLRQ)(7&+IUDPH
Figure 2-16 Sequence of a continuation FETCH message frame with a continuation response
message frame
该文档是极速PDF编辑器生成，
如果想去掉该提示,请访问并下载：
http://www.jisupdfeditor.com/
长沙工控帮教育科技有限公司
www.gkbpx.com