
4
- 10
4.1 Cyclic Transmission Function
4.1.2 Communication by LX/LY
4
FUNCTIONS
(3) An example of communication by LX/LY
The following is an example where data of the link input (LX) and link output (LY) are
transferred between the I/O master station (station No.1) and the normal station
(station No.2).
(4) Precautions
(a) When a station other than Universal model QCPUs exists on the network
The station cannot receive other stations' data of station No.65 or higher.
(b) When a station with Universal model QCPU exists on the network
If the group cyclic transmission function is used, the station can receive other
stations' data of the same shared group and those of the stations to which no
shared group is set.
It does not receive data of other stations in different shared groups,
Section 4.1.8 Group cyclic transmission
Figure 4.10 An example of communication by LX/LY
Control station
No.1
Normal station
No.2
0
11FF
1FFF
1000
CPU module
Block 1
I/O master station
X
Y
Actual I/O
Actual I/O
0
11FF
1FFF
1000
CC-Link IE controller
network module
CC-Link IE controller
network module
LX
LY
0
11FF
1FFF
1000
CPU module
X
Y
Actual I/O
Actual I/O
0
11FF
1FFF
1000
LX
LY
Output
instruction
X1100
Y1000
Output
instruction
X1000
Y1100
Cyclic transmission
Link refresh
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