Mitsubishi Electric GOT2000 Series Connection Manual page 119

■3. 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)
ENQ Station No.
0
05 30 30
H H
(H) (L)
Sum check is performed in this range.
Character B section
STX Station No. PLC No.
0 0 0 0 Following*1
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 6
30 34 30 36
H H H H
(H) (L) (H) (L)
Station No.
NAK
0
15 30
H H
(H)
Time display
2004/06/01 18:46:49
TUE
Message format
PLC No.
Command Wait
0 0 0 T R 0
30 30 54 52 30
H H H H H H
(H) (L) (H) (L)
Sum
ETX
Check
9 0
03 39 30
H H H
(H) (L)
Minute
Day data Hour data
data
0 1 1 8 4 6
30 31 31 38 34 36
H H H H H
(H) (L) (H) (L) (H) (L)
PLC No. Error code
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
2.5 Message Formats
Sum
Check
9 6
39 36
H H
(H) (L)
Second Day-of-
data week data
4 9 0 2
34 39 30 32
H H H H H
(H) (L) (H) (L)
2 - 49
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