14
4.2 Examples of communications to be written
Example: Request message: This requests this product set at address 03 to set "the E1F setting to
(High-level computer)
011" (write 011).
(This sets the function in event 1 to the deviation upper and lower
hold.)
In response to that,
Response message: This returns a notice that the request message has been received.
(This product)
*Check that it has been written by reading the data separately.
Write request message (transmitted from a high-level computer)
S
T
X
0 3
A
C
K
B
C
C
E
T
X
① ②
⑥ ⑦
⑧
S
T
X
0 3 W
B
C
C
E 1 F
E
T
X
① ② ③
|
④
|
⑥ ⑦
0 0 0 1 1
|
|
⑤
|
|
Code
Code, data
ASCII code, note 2)
①
Start code
STX
02H
②
Address
03
30H 33H
③
Request contents
W (Write)
57H
④
Identifier, note 1)
E11
41H 31H 31H
⑤
Numerical data
00011
30H 30H 30H 31H 31H
⑥
End code
ETX
03H
⑦
BCC data request
53H
response
04H
⑧
Acknowledge code
ACK
06H
Note 1): See "10. Table of identifiers (codes)."
Note 2): For the ASCII codes, see "11. Table of ASCII codes."