19 - 48
19.5 Message Formats
19.5.5 Formats 7 to 10 (QnA compatible 3C/4C frame)
used and the device ranges to match the GOT specifications.
3 Message Format
The following shows the message format of the dedicated commands for a microcomputer connection
of GOT.
(1) Read clock data (1901) command
The following shows an example of reading the clock data of GOT.
(Assuming that the clock data of GOT has been set to "2004, June 1, 18:46:49, Tuesday".)
(continued to next page)
Item Message format
Request message
(host GOT)
Example: Format 7 (QnA compatible 4C frame (format 1))
Response
message during
normal
communication
(GOT host)
Example: Format 7 (QnA compatible 4C frame (format 1))
Time display
2004/06/01 18:46:49
TUE
Sum check is performed in this range.
05H
ENQ
(H) (L)
9
39
H
Sum check
A
41
H
(H) (L)
Frame ID
No.
F
46
H
8
38
H
(H) (L)
PLC No.
0
30
H
0
30
H
Character A section
(H) (L)
Station No.
0
30
H
0
30
H
(H) (L)
Network
No.
0
30
H
0
30
H
(H) –
Request destination
module I/O No.
0
30
H
0
30
H
– (L)
0
30
H
0
30
H
(H) (L)
Request destination
module station No.
0
30
H
0
30
H
(H) (L)
Host
Address No.
0
30
H
0
30
H
(H) –
Command
9
39
H
– (L)
0
30
H
1
31
H
1
31
H
(H) –
Sub-command
0
30
H
0
30
H
(L)
0
30
H
0
30
H
–
Following
*1
*1
Sum check is performed in this range.
02
H
STX
(H) (L)
Sum check
E
43
H
E
43
H
(H) (L)
Frame ID
No.
F
46
H
8
38
H
(H) (L)
PLC No.
0
30
H
0
30
H
Character B section
(H) (L)
Station No.
0
30
H
0
30
H
(H) (L)
Network
No.
0
30
H
0
30
H
(H)
Request destination
module I/O No.
0
30
H
0
30
H
– (L)
0
30
H
0
30
H
(H) (L)
Request destination
module station No.
0
30
H
0
30
H
(H) (L)
Host
Address No.
0
30
H
0
30
H
Following
*1
*1
03
H
ETX
(H) (L)
Year data
04
30
H 34H
(H) (L)
Month data
06
30
H 36H
(H) (L)
Day data
01
30
H 31H
(H) (L)
Hour data
18
31
H 38H
(H) (L)
Minute data
46
34
H 36H
(H) (L)
Second
data
49
34
H 39H
(H) (L)
Day-of-
week data
02
30
H 32H
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