Always Write Register Command; Always Write Request Command - Mitsubishi 800 Series User Manual

4 MONITORING SPECIFICATION

4.6.8 Always write register command

(1) Always write register command
(2) Command format
(3) Communication overview

4.6.9 Always write request command

(1) Always write request command
(2) Command format
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This is a command to always register the device number of the GOT internal
device that performs the remote register data write.
After executing the always write register command, always execute the always
write request command.
Transfer Direction
RWwm (Higher byte)
RWwm (Lower byte)
Master station GOT
RWwm + 1 to RWwn + E
RWwn + F
GOT Master station RWrn to RWrn + F
Refer to Section 4.6.9.
This is a command to always write data in the remote register to the GOT internal
device registered by executing the always write register command.
Execute the always write request command after executing the always write
register command.
Transfer Direction
RWwm to RWwn + D
Master station GOT
RWwn + E, RWwn + F
GOT Master station RWrn to RWrn + F
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Addresses
8: Always write register setting
When the occupied points are 2 stations
1 to 6 :Points to be written to the GOT internal device
When the occupied points are 4 stations
1 to 14 :Points to be written to the GOT internal device
0 to 1023 : GOT internal device numbers to be
regis-tered
(Storage for the setting mentioned above)
Addresses
Store write data for the number of points registered
with the always write register command
MELSEC-GOT
Write data
———
———
Write data
———
———
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