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

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Communication Format
INR-244-831 3-7
3.7 Communication Example

Communication example of request message to read
Request message from master: Request the product having a set address of 1 to read the measured
temperature at that moment.
Response message from the product: Send the measured temperature (00250 =25.0
o
C) at that moment.
Request message to read (from master)
Code Symbol/Data ASCII code
①
Start code STX 02H
②
Address 01 30H 31H
③
Required content R (read) 52H
④
Identifier
PV1 50H 56H 31H
⑤
Numeric data
00250 30H 30H 32H 35H 30H
⑥
End code ETX 03H
⑦
BCC data: Request 65H
Response 06H
⑧
Acknowledge code ACK 06H
Response message from the product
02 30 31 52 50 56 31 03 65
① ③ ④ ⑥ ⑦
St
art
c
od
e
Re
qu
e
st
to
re
ad
Ide
n
ti
fi
c
ati
on
c
od
e
En
d
c
od
e
BCC
data
②
A
dd
re
ss
02 30 31 06 50 56 31 30 30 32 35 30 03 06
① ⑧ ④ ⑤ ⑥ ⑦
St
art
c
o
de
Aff
irmat
io
n
c
o
de
Id
e
n
ti
fi
c
ation
c
o
de
N
u
meri
c
al
d
ata
End
c
o
de
BC
C
d
ata
②
Add
re
ss