Toho Electronics TTM-200 Series, Инструкция по эксплуатации, Связь

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9
3.4 Composition of a response message (transmitted from this product to a
high-level computer)

For codes
①
to
⑩
, see "3.5 Description of codes."

For specific examples of request messages, see "4.1 Examples of communications to be read"
and "4.2 Examples of communications to be written."
3.4.1 Response message in response to a read request message
Ｓ
Ｔ
Ｘ
□ □
Ａ
Ｃ
Ｋ
Ｂ
Ｃ
Ｃ
□ □ □
Ｅ
Ｔ
Ｘ
①
S
ta
rt
c
o
d
e
②
A
d
d
re
s
s
⑧
A
c
k
n
o
w
le
d
g
e
c
o
d
e
｜ ④
Id
e
n
tif
ie
r
｜ ⑥
E
n
d
c
o
d
e
⑦
B
CC
d
a
ta
□ □ □ □ □
｜ ｜ ⑤
Nu
m
e
ric
a
l d
a
ta
｜ ｜
3.4.2 Response message in response to a write/store request message
Ｓ
Ｔ
Ｘ
□ □
Ａ
Ｃ
Ｋ
Ｂ
Ｃ
Ｃ
Ｅ
Ｔ
Ｘ
①
S
ta
rt
c
o
d
e
②
A
d
d
re
s
s
⑥
E
n
d
c
o
d
e
⑦
B
C
C
d
a
ta
⑧
A
c
k
n
o
w
le
d
g
e
c
o
d
e
3.4.3 Response message in the case of an error
Ｓ
Ｔ
Ｘ
□ □
Ｎ
Ａ
Ｋ
Ｂ
Ｃ
Ｃ
Ｅ
Ｔ
Ｘ
①
S
ta
rt
c
o
d
e
②
A
d
d
re
s
s
⑥
E
n
d
c
o
d
e
⑦
B
C
C
d
a
ta
⑨
N
e
g
a
tiv
e
□
⑩
E
rr
o
r c
o
d
e
a
c
k
n
o
w
le
d
g
e
c
o
d
e