Mitsubishi Electric GOT1000 Series Connection Manual page 144

(4) Fill command (4) (w/out station No.), fill command (E) (w/station No.)
The following shows an example of writing "16"s to virtual devices R50 to R100 on the GOT at station No.27.
Item
(format 14: GOT-F900 Series microcomputer connection (format 1))
Request message
(format 15: GOT-F900 Series microcomputer connection (format 2))
(host GOT)
Response message
during normal
communication
(GOT host)
Response message
during faulty
communication
(GOT host)
POINT POINT POINT
(1) Start address/end address specification conditions
Specify addresses so that the start address is the same or less than the end address.
Error response occurs in the following cases:
• The address to specify has the start address greater than the end address.
• Either of the start address or end address exceeds the device range that can be specified.
(2) Address specifying crossing over different devices
The start address and end address can be specified crossing over different devices.
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2. MICROCOMPUTER CONNECTION (SERIAL)
2.5 Message Formats
R50 0000
H
0000
H
R100 0000
H
Before execution
Com-
STX Station No.
mand
E 2 7
02 45 32 37 30
H H H H
(H) (L) (H)
Com-
STX Station No. Start address
mand
E 2 7 0 0
02 45 32 37 30 30
H H H H H
(H) (L) (H) –
After execution
Message format
Start address End address
0 0 6 4 0 0
30 36 34 30 30
H H H H H
– – (L) (H) –
End address
6 4 0 0 C
36 34 30 30 43
H H H H H H
– (L) (H) – –
Sum check is performed in this range.
ACK
06
H
NAK
15
H
R50 1616
H
1616
H
R100 1616
H
Write
CR
Data
C 9 1 6
43 39 31 36 0D
H H H H H H
– (L) (H) (L)
Sum
Write
ETX
Data
Check
9 1 6 B
39 31 36 03 42
H H H H H
(L) (H) (L) (H)
E
45
H
(L)