User`s manual

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MELSEC
11 TROUBLESHOOTING
11.7 Precautions for installing other optional board
Executing user applications (including the device monitor utility) for each board
simultaneously under the following condition may cause an error.
When an error occurs in the user application, take the action shown below.
<Condition>
A personal computer into which the CC-Link board and other optional board are
installed and where the resources were allocated automatically by Plug-and-Play is
used.
<Action>
(1) Change the positions where the CC-Link board and other optional board are
installed.
(2) In the BIOS setup, exchange the IRQs between the CC-Link board and other
optional board or change their IRQs.