Mitsubishi Electric MELSEC Q Series User Manual page 154

7 ONLINE MODULE CHANGE
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(b) Click the "Execution" button to enable a module change.
If the following error screen appears, the user range cannot be saved.
Click the "OK" button, and perform the operations described (2) (c) in this
section and later.
(c) After confirming that the "RUN" LED of the module has turned off, remove
the terminal block and dismount the module.
POINT
Always dismount the module. If mounting confirmation is made without the module
being dismounted, the module will not start properly and the "RUN" LED will not be
lit.
(3) Mounting of new module
(a) Mount a new module to the same slot and install the terminal block.
(b) After mounting the module, click the [Execution] button and make sure that
the "RUN" LED is lit. Module ready (X0) remains off.
MELSEC-Q
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