Precautions For Online Module Change - Mitsubishi MELSEC Q Series User Manual
Channel isolated high resolution analog-digital converter module / channel isolated high resolution analog-digital converter module (with signal conditioning function)
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Also See for MELSEC Q Series:
- Programming manual (1296 pages) ,
- User manual (814 pages) ,
- Reference manual (532 pages)
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7
ONLINE MODULE CHANGE
7.5 Precautions for Online Module Change
7 - 36
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)
Avoid the following operations during online module change. Doing so may
cause the A/D conversion module to fail to operate normally.
(
a)
Powering OFF the programmable controller CPU
(b)
Resetting the programmable controller CPU
MELSEC-Q
7 - 36
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