Basic Protocol With Checksum - inout Panelplayer User Manual

9.15 Basic protocol with CheckSum

Reading the data of the Panelplayer from the master
Transmission sequence
Master
Panelplayer
Command transmission from master to Panelplayer
Transmission sequence
Master
Panelplayer
1. The CheckSum is introduced if the configuration parameter CMCK=1.
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2. The CheckSum is calculated summing all the characters marked by an asterisk.
Panelplayer User Manual v.1.4
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C
A C
E
M
H
N D
D
Q D K
*
C
E A
M
N D
D
D
Q
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C
S A
M
T D
DATA
D
X D
*
The DATA block is
inserted only if provided
C
for by command used
H
DATA
K
A
C
K
N
A
K
C
E
H
T
K
X
C
A
M
D
D
D
C E
A
M R
D
D R
D