SMC Networks Thermo-con INR-244-831, Manual

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Communication Format
3-8 INR-244-831

Communication example of request message to write
Request message from master: Request the address having a set address of 10 to set the target
temperature to 20.0
o
C.
Response message from the product: Notice it received the request message properly.
☆
Confirm whether or not data is written correctly by reading the data
separately.
Request message to write (from master)
Code Symbol/Data ASCII code
①
Start code STX 02H
②
Address
10 31H 30H
③
Required content
W (write) 57H
④
Identifier
SV1 53H 56H 31H
⑤
Numeric data 00200 30H 30H 32H 30H 30H
⑥
End code ETX 03H
⑦
BCC data: Request 51H
Response 06H
⑧
Acknowledge code ACK 06H
Response message from the product
02 31 30 57 53 56 31 30 30 32 30 30 03 51
① ③ ④ ⑤ ⑥ ⑦
Star
t
c
od
e
Re
qu
e
st
to
wr
ite
Ide
n
ti
fi
c
ati
on
c
od
e
Nu
me
ri
c
al
data
En
d
c
od
e
BCC
data
②
A
dd
re
ss
02 31 30 06 03 06
① ⑧ ⑥ ⑦
S
ta
rt c
o
d
e
A
ffi
rm
ati
o
n
c
o
d
e
E
n
d
c
o
d
e
B
C
C
d
ata
②
A
d
d
re
ss