Mitsubishi Electric MELSEC QS Series User Manual page 7

[Startup and Maintenance precautions]
Do not touch the terminals while power is on.Doing so could cause shock or erroneous operation.
Turn off all phases of the external supply power used in the system when cleaning the module or
retightening the terminal block mounting screws, terminal screws, or module mounting screws.
Not doing so could result in electric shock.
Tighten a terminal block mounting screw, terminal screw, and module mounting screw within the
specified torque range.
If the terminal block mounting screw or terminal screw is too loose, it may cause a short circuit, fire,
or malfunctions.
If too tight, it may damage the screw and/or the module, resulting in a drop of the screw or module, a
short circuit or malfunctions.
If the module mounting screw is too loose, it may cause a drop of the screw or module.
Overtightening the screw may cause a drop due to the damage of the screw or module.
Do not disassemble or modify the modules.
Doing so could cause a failure, malfunctions, injury, or fire.
If the product is repaired or remodeled by other than the specified FA centers or us, the warranty is
not covered.
Completely turn off the externally supplied 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.
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.
[Disposal Precautions]
When disposing of this product, treat it as industrial waste.
WARNING
CAUTION
CAUTION
A
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