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(2) Master and local stations
Data can be written into the send range of each station's link device (RY, RWw) and can be sent to any station on
the same network.
The status data of the link devices (RY, RWw) of the master station are stored in the link devices (RX, RWr) of
each local station.
The status data of the link devices (RY, RWw) of local stations are stored in the link devices (RX, RWr) of the
master station and the link devices (RY, RWw) of other local stations.
Station No.0
CPU
Master
module
station
RX, RWr
Device
Station
No.1
8
Station
Sequence
No.2
scan
Link refresh
Station
No.3
Device
RY, RWw
Range of the
sending data to
2
the station No.1
Range of the
Sequence
sending data to
scan
the station No.2
Link refresh
Range of the
sending data to
the station No.3
M0
1
Y
• Output from the master station
The device of the CPU module turns on.
1
The device status data of the CPU module is stored in the link device (RY, RWw) of the master station by link
2
refresh.
The status data of the link device (RY, RWw) of the master station is stored in the link device (RX, RWr) of the
3
local station by link scan.
The status data of the link device (RX, RWr) of the local station is stored in the device of the CPU module.
4
• Input from the local station
The device of the CPU module turns on.
5
The status data of the device of the CPU module is stored in the own station send range of the link device (RY,
6
RWw).
The status data of the link device (RY, RWw) of the local station is stored in the link device (RX, RWr) of the
7
master station by link scan.
The status data of the link device (RX, RWr) of the master station is stored in the device of the CPU module by
8
link refresh.
Station No.1
Local station
RX, RWr
Link scan
Station
No.1
Station
No.2
Station
No.3
RY, RWw
Range of the
station No.1
sending data
Station
No.2
3
7
Station
No.3
Area where data is sent to
other stations
Station No.2
Station No.3
Local station
Local station
RX, RWr
RX, RWr
Station
Station
No.1
No.1
Station
Station
No.2
No.2
Station
Station
No.3
No.3
RY, RWw
RY, RWw
Station
Station
No.1
No.1
Range of the
Station
station No.2
No.2
sending data
Range of the
Station
station No.3
No.3
sending data
CHAPTER 8 FUNCTIONS
CPU
module
Device
4
Sequence
scan
Link refresh
Device
6
Sequence
scan
Link refresh
M0
5
Y
125
8
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Troubleshooting
