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Communication manual TOHO ELECTRONICS INC.
DWG.No. 4B-6829-A
- 5 -
Section
4
Explanation about TOHO Protocol Communication
4.1.
About the Format
There are two types of format for TOHO Protocol
—
namely, Type 1 and Type 2
—
with the difference in the specification of address and
second identifier.
See “
” for details.
4.2.
Structure of Request Message (Data Transmission from Upper Computer to This Product)
■
See “
” for codes from
① to ⑪.
■
See “
Sample Communication for Reading
Sample Communication for Writing
” for concrete
samples of the request message.
4.2.1.
Structure of Read Request Message
S
T
X
□ □ R □ □ □
E
T
X
B
C
C
①
②
③
④
⑦ ⑧
⑤
□ □
4.2.2.
Structure of Write Request Message
S
T
X
□ □ W □ □ □
E
T
X
B
C
C
①
②
③
④
⑦ ⑧
□ □ □ □ □
⑥
□ □
⑤
4.2.3.
Structure of Save Request Message
S
T
X
□ □ W S T R
E
T
X
B
C
C
①
②
③
④
⑦ ⑧