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MELSEC-GOT
4 MONITORING SPECIFICATION
When the GOT internal device read command is executed
1) Write the data (such as operation command data) from GOT
to the GOT internal device.
2) Using the sequence program, store the read command data
to the remote register (RWw).
3) When the GOT request flag is turned on, the read com-mand
data is stored in the GOT remote register(RWw),
and the data in the specified GOT internal device is read to
the remote device(RWr).
4) By link scan, the data is stored in the remote device(RWr)
of the GOT allocated to the master station.
5) Using the sequence program, read the remote device(RWr)
data to the PLC CPU.
Repeat the above steps and execute the read commands,
then read several information to the PLC CPU.
Read command
RWw
Read data
RWr
Master
station
PLC CPU
GD
Read command
RWw
Read data
RWr
GOT internal device
Repeat storing the read command data, and read from
GOT internal device data.
GOT
1) Set the operation specification
data with GOT.
Touch switch function
and numeric value
input function
3)
3)
4)
2)
5
)
Planned quantly selling
PartsA
PartsB
PartsC
PartsD
Line2
100
100
250
300
Line3
200
50
0
Line4
300
0
0
0
Line5
100
0
0
0
TO
FORM
Read data1 (Operating
command data)
Read data2 (Operating
command data)
Read data3 (Operating
command data)