6 Introduction of Functions
6.2 Basic Functions
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FX3U-16CCL-M User's Manual
Word information from the remote device station/intelligent device station to the master station
9) The data of the remote register (RWr) in the remote device station and the intelligent device station is
automatically (for each link scan) stored in the remote register (RWr) in the master station.
10) The PLC receives the data of the remote device station and the intelligent device station stored in the
buffer memory "remote register (RWr)" using the FROM instruction.
Master station
Remote device station
(Station No. 1:
Occupies 1 station)
RWr 0
RWr 1
RWr 2
RWr 3
RWr 4
RWr 5
RWr 6
RWr 7
RWr 8
RWr 9
RWr 3E
RWr 3F
...
Remote register (RWr)
RWr 0
RWr 1
RWr 0
RWr 1
Intelligent device station
(Station No. 2:
Occupies 1 station,quadruple)
RWr 2
RWr 3
RWr 4
RWr 5
RWr 6
RWr 7
RWr 3D
RWr 2
RWr 3
RWr A
RWr B
RWr C
RWr D
RWr E
RWr F
RWr 10
RWr 11
RWr 12
RWr 13
RWr 3C
Remote register (RWr)
Remote register (RWr)
FROM
10)
PLC
9)
9)
RWr 8
RWr 9
RWr A
RWr B
RWr C
RWr D
RWr E
RWr F