1660K023G
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Displayed CO
2
concentration request
Frame
This frame only includes the code. This does not send any data.
Code
Address
End of block
ACII
P C
H L
Hexa
50h 43h
Example: Request CO
2
concentration from the display in address 03
Code
Address
End of block
ACII
P C
03
Hexa
50h 43h
30h 33h
Response frame
Code
Address
Data
End of block
ASCII
R C
H L
C
C
C
C
Hexa
52h 43h
Example: Response from the frame sent in the example before. CO
2
concentration=728ppm
Code
Address
Data
End of block
ASCII
R U
03
0
7
2
8
Hexa
52h 54h
30h 33h
30h
37h
32h
38h
Time programming
Frame
Code
Address
Data
End of block
Code
Address
Day Month Year
Space
Hour
Minute
Second
End of block
ASCII
F H
H L
DD
MM
AA
HH
MM
SS
Hexa
46h 48h
20h
Example: Send 13:16:00 16/05/2013 to the display at address 03.
Code
Address
Data
End of block
Code
Address
Day
Month
Year
Space
Hour
Minute
Second
End of block
ASCII
F H
03
16
05
13
13
16
00
Hexa
46h 48h
30h 33h
31h 36h
30h 35h
31h 33h
20h
31h 33h
31h 36h
30h 30h
