Precautions For Online Module Change - Mitsubishi Electric Melsec Q Series User Manual

7 ONLINE MODULE CHANGE

7.5 Precautions for Online Module Change

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The following are the precautions for online module change.
(1) Always perform an online module change in the correct procedure. A failure to do
so can cause a malfunction or failure.
(2) If an online module change is made with the user range setting, the accuracy
after that will fall to about less than three times of the accuracy before that.
Re-set the offset/gain values as necessary.
(3) Do not perform online module change during setting the offset/gain mode.
(If performed, the A/D converter module may not operate properly.)
(4) Do not perform the following operations during online module change. If
performed, the A/D converter module may not operate properly.
(a) Powering off the programmable controller CPU.
(b) Resetting the programmable controller CPU.
MELSEC-Q
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