Mitsubishi Electric MELSEC Q Series Reference Manual page 64

(3) An example of communication using LB/LW
The following is an example where link relay (LB) data are transferred between the control station (station No.1)
and the normal station (station No.2).
Send request
B0
B100
B1FFF
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Control station
No.1
CC-Link IE Controller
Network module
CPU module
B0
Station Station
No.1 No.1
BFF
B100
Station Station
No.2 No.2
B1FF
Normal station
No.2
CC-Link IE Controller
Network module
LB0 LB0
Station
No.1
LBFF LBFF
LB100 LB100
Station
No.2
LB1FF LB1FF
LB7FFF LB7FFF
CPU module
B0
B0
Station
No.1
Send request
BFF
B100
Station
No.2
B1FF
B1FFF
Cyclic transmission
Link refresh
B100