Mitsubishi Electric Melsec-QS Series Safety Application Manual page 9

[Stratup and Maintenance precautions]
Completely turn off the external supply power used in the system before mounting or removing the
module.
Not doing so may result in a failure or malfunctions of the module.
Restrict the mounting/removal of a module, base unit, and terminal block up to 50 times
(IEC61131-2-compliant), after the first use of the product.
Failure to do so may cause the module to malfunction due to poor contact of connector.
Do not drop or give an impact to the battery mounted to the module.
Doing so may damage the battery, causing the battery fluid to leak inside the battery.
If the battery is dropped or given an impact, dispose of it without using.
Before touching the module, always touch grounded metal, etc. to discharge static electricity from
human body, etc.
Not doing so may result in a failure or malfunctions of the module.
Since the module case is made of resin, do not drop or apply any strong impact to the module.
Doing so may damage the module.
Completely turn off the external supply power used in the system before mounting or removing the
module to/from the panel.
Not doing so may result in a failure or malfunctions of the module.
[Disposal Precautions]
When disposing of this product, treat it as industrial waste.
[Transportation Precautions]
When transporting lithium batteries, make sure to treat them based on the transport regulations.
(For details of the controlled models, refer to the QSCPU User's Manual (Hardware).
CAUTION
CAUTION
CAUTION
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