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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” ③
Data for the first register
(a low-level word)
Low level
“0” , “9” ④
High level
“0” , “0” ①
i)
Data for the first register + 1
(a high-level word)
Low level
“0” , “0” ②
When writing ①, ②, ③, and
④ H in the data, write them in
the order described on the
left-hand side. (① represents 1
byte.)
f)
LRC “D” , “2”
g)
End code CR, LF
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