Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 185

5 PARAMETER SETTINGS
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POINT
(1) When setting the CPU side device range, check if:
• The refresh range does not overlap with any other range (e.g. actual I/O).
• The CPU side device range is within the range set in [Device] of [PLC
parameter].
Device ranges can be checked by selecting [Tools] – [Check parameters] in
GX Developer.
(2) When the interlink transmission parameters are set, do not set the device
range of the transfer destination in a refresh range. Otherwise, the correct
data cannot be sent to other stations.
CPU
Refresh range
Refresh range
Network module No. 1
Transfer
to
MELSEC-Q
Network module No. 2
Transfer
from
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