Sending Data With Rk 512; Figure 2-13 Data Traffic When Sending With A Response Message Frame - Siemens Simatic S7-300 CP 341 User Manual

2.5.1

Sending Data with RK 512

Sending data with RK 512
The figure below shows the transmission sequence when sending data with a response
message frame using the RK 512 computer link.
(00H)
(00H)
Data offset
50 DW
●
●
(00H)
(00H)
(00H)
Figure 2-13
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01
www.gkbpx.com
2.5 Data Transmission with the RK 512 Computer Connection
STX
DLE
1st Byte
2nd Byte
3rd Byte
4th Byte
5th Byte
DW01 (01H) 6th Byte
7th Byte
8th Byte
(32H)
9th Byte
10th Byte
11th Byte
12th Byte
●
●
nth Byte
DLE
ETX
BCC
DLE
STX
DLE
1st Byte
2nd Byte
3rd Byte
4th Byte
DLE
ETX
BCC
DLE
Data traffic when sending with a response message frame
Basic Principles of Serial Data Transmission
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