Toho-electronics TRM-006A Uživatelský manuál Strana 28

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6.8.3 Composition of a store request message
a)
Start code :
b)
Slave address 0 , 3
c)
Function code 1 , 0
High level
0 , 2
d)
Register address
Low level
0 , E
First register address
High level
0 , 0
e)
Number of registers
Low level
0 , 2
Fixed at 2
h)
Number of data items 0 , 4 Number of registers × 2
High level
0 , 0
Data for the first register
(a low-level word)
Low level
0 , 0
High level
0 , 0
i)
Data for the first register + 1
(a high-level word)
Low level
0 , 0
The data about the storage of settings
is arbitrary.
f)
LRC D , 7
g)
End code CR, LF
6.9 Composition of ASCII response messages (transmitted from this product
to a high-level computer)
n For the codes a) through g), see "6.10 Description of ASCII codes."
6.9.1 Response message for a read request message
a)
Start code :
b)
Slave address 1 , B
c)
Function code 0 , 3
h)
Number of data items 0 , 4 Number of registers × 2
High level
0 , 3
Data for the first register
(a low-level word)
Low level
0 , 9
High level
0 , 0
i)
Data for the first register + 1
(a high-level word)
Low level
0 , 0
When writing , , , and
H in the data, write them in
the order described on the
left-hand side. ( represents 1
byte.)
f)
LRC D , 2
g)
End code CR, LF
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