Mitsubishi Electric MELSEC Q Series Reference Manual page 74

(b) Writing to a link device
An area within the link device address specification range and within the own station send range and outside
the link refresh range can be specified.
Remark
● When an address within the link refresh range is specified (for writing)
Although data are written at the time of the instruction execution, after that, the link device of the CC-Link IE Controller
Network module is overwritten with the device data of the CPU module by link refresh.
Therefore, write the same data to the CPU module device as well as accessing directly to the link device.
72
CPU module
B
Link refresh Link refresh
Writable to
this area.
Link refresh Link refresh
CPU module
MOV K20 J1\W100
100
MOV K20 J1\W100
MOV K20 W100
100
CC-Link IE Controller
Network module
LB
Own station
send range
Other station
send range
W
Link refresh Link refresh
300
W
Link refresh Link refresh
20
CC-Link IE Controller
Network module
LW
20 300 100
LW
20 100