X K 3 1 9 0 –A23p
(24)
Comman
d type
Comman
d
meaning
Commands sending by the host
computer (hex)
Note
Comman
d A
Shake
hands
02 41 41 30 30 03
Comman
d
B
Read
G.W
02 41 42 30 33 03
Comman
d C
Read T.W
02 41 43 30 32 03
Comman
d D
Read
N.W
02 41 44 30 35 03
Comman
d E
Read U.P
02 41 45 30 34 03
Comman
d F
Read
Amount
02 41 46 30 37 03
The second byte is the
information address,
from 0x41 (A) start,
such as information
address is 2, the
second should send
0x42 (B); the third
byte is the command
byte; fourth and fifth
are byte checksum .
Indicator responding contents:
The X byte Content and Note
1 02(XON) Start
2
A~Z
Address number
3
A~F
Command type
4~n
See below table Sending corresponding data output
by the command
n+1 XOR Checksum high 4 digit
n+2 XOR Checksum low 4 digit
n+3 03(XOFF) end
OR=2⊕3⊕……( n-1 ) ⊕n
4 ~ n the above table reads as follows:
Comman
d A
No data
Composed by 6 groups of
data per frame
Gross weight
1: symbol (+or-)
2~7: gross weight value ( 6 bit)
Comman
d B
8:number of decimal digits ( 0~
4)
Composed by 14 groups
of data per frame