Mitsubishi Electric GOT2000 Series Connection Manual page 104


Message format
The following shows the message format of the dedicated commands for a microcomputer connection of GOT.
(1) Read clock data (TR) 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".)
Item
Example: Format 3 (A compatible 1C frame (format 1))
Request message
(host GOT)
Example: Format 3 (A compatible 1C frame (format 1))
Response message
during normal
communication
(GOT host)
Example: Format 3 (A compatible 1C frame (format 1))
Response message
during faulty
communication
(GOT host)
2 - 46
2. MICROCOMPUTER CONNECTION (SERIAL)
2.5 Message Formats
ENQ Station No.
0
05 30
H H
(H)
Character B section
STX Station No. PLC No.
Following*1
0 0 0 0
02 30 30 30 30
H H H H H
(H) (L) (H) (L)
Sum check is performed in this range.
*1
Year data Month data
0 4 0
30 34 30 36
H H H
(H) (L) (H) (L)
Station No.
NAK
15 30
H
(H)
Time display
2004/06/01 18:46:49
Message format
PLC No. Command
0 0 0 T R
30 30 30 54 52
H H H H H
(L) (H) (L) (H) (L)
Sum check is performed in this range.
Sum
ETX
Check
9 0
03 39 30
H H H
(H) (L)
Minute
Day data Hour data
data
6 0 1 1 8 4
30 31 31 38 34
H H H H H
(H) (L) (H) (L) (H)
PLC No. Error code
0 0 0 0 0 5
30 30 30 30 35
H H H H H
(L) (H) (L) (H) (L)
The above is the case where an
overrun error (05 ) has occurred.
H
TUE
Sum
Wait
Check
0 9 6
30 39 36
H H H
(H) (L)
Second Day-of-
data week data
6 4 9 0 2
36 34 39 30 32
H H H H H H
(L) (H) (L) (H) (L)
H