Mitsubishi Electric MELSEC Q Series Reference Manual page 89

(2) Precautions
When mounting multiple CC-Link IE Controller Network modules on the same network number and using a
function, such as the link direct device, that specifies a CC-Link IE Controller Network module by the network
number, the execution target will be as listed below.
Item
Link direct devices
Dedicated instruction
The module mounted on the slot with the smallest slot No. in the base unit is
targeted.
When the host station is the Universal model QCPU:
The module which is mounted on the slot with the smallest slot No. in a base unit is
targeted.
When the host station is other than the Universal model QCPU:
The module to which the smallest start I/O number has been assigned in the I/O
assignment tab of the PLC parameter is targeted.
CHAPTER 4 FUNCTIONS
Description
4
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