Random Write Command - Mitsubishi 800 Series User Manual

4 MONITORING SPECIFICATION

4.6.5 Random write command

(1) Random write command
(2) Command format
(3) Communication overview
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This is a command to write remote register data to several different GOT internal
devices.
Transfer Direction
RWwm (Higher byte)
RWwm (Lower byte)
RWwm + 1
Master station GOT
RWwm + 2
RWwm + 3 to RWwn + E
RWwn + F
GOT Master station RWrn to RWrn + F
When writing remote register data to the GOT internal device GD100, 200, and
300 (3points)
PLC CPU
TO
1) Store the random write 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). Store the write data in GD100, 200, and 300.
(Command execution)
The GOT complete flag turns on when the command processing is complete.
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Addresses
5: Random write setting
When the occupied points are 2 stations
1 to 3 :Points to be written to the GOT internal device
When the occupied points are 4 stations
1 to 7 :Points to be written to the GOT internal device
0 to 1023 : GOT internal device numbers to be
written
Stores the data to be written to the GOT internal device
described above
Stores the data to be written and GOT internal device
numbers for the setting points like mentioned above.
Master station
remote register
RWw0 0503
H
RWw1 0064
H
RWw2 1234
H
1)
RWw3 00C8
H
RWr4 0E54
H
RWr5 012C
H
RWr6 0066
H
MELSEC-GOT
Write data
———
———
GOT
remote register
RWw0 0503
H
RWw1 0064
H
RWw2 1234
H
2)
RWw3 00C8
H
RWr4 0E54
H
RWr5
012C
H
RWr6 0066
H
2)
GD100 1234
H
GD200 0E54
H
GD300 0066
H
GOT internal device
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