Mitsubishi 800 Series User Manual page 43

4 MONITORING SPECIFICATION
(3) Communication overview
Monitor
register
command
Monitor
requeset
command
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When always reading the data in the GOT internal device GD100, 200, and 300
to the remote register.
PLC CPU
1)
TO
5)
FROM
1) Store the monitor register command data in the master station's remote
register (RWw).
2) Turn on the GOT request flag, and store the command data in the GOT
remote register (RWw).
(Command execution)
The GOT complete flag turns on when the command processing is complete.
3) By turning on the GOT monitor request flag, always read the data in the
GD100, 200 and 300 to the remote register (RWr).
4) By link scan, the read data is stored in the master station's remote register
(RWr).
5) Read the data to the PLC CPU using the FROM instruction, etc.
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Master station
remote register
RWw0 0603
H
0064
RWw1
H
00C8
RWw2
H
RWw3 012C
H
1234
RWw0 H
RWw1 0E54
H
RWw2 0066
H
GOT monitor request flag
3)
MELSEC-GOT
GOT
remote register
0603
RWw0 H
0064
RWw1
2) H
00C8
RWw2 H
012C
RWw3 H
1234
RWw0 H
4)
0E54
RWw1 H
0066
RWw2 H
3)
1234
GD100 H
0E54
GD200 H
0066
GD300 H
GOT internal device
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