Mitsubishi Electric MELSEC-Q Series User Manual page 8

[Startup and Maintenance Precautions]
● Do not touch any terminal while power is on. Doing so will cause electric shock or malfunction.
● Shut off the external power supply (all phases) used in the system before cleaning the module or
retightening the terminal block screws.
Failure to do so may result in electric shock.
[Startup and Maintenance Precautions]
● Do not disassemble or modify the module.
Doing so may cause failure, malfunction, injury, or a fire.
● Shut off the external power supply (all phases) used in the system before mounting or removing a
module. Failure to do so may cause the module to fail or malfunction.
● Tighten the terminal block screws within the specified torque range.
Undertightening can cause drop of the component or wire, short circuit, or malfunction. Overtightening
can damage the screw and/or module, resulting in drop, short circuit, or malfunction.
● After the first use of the product, do not mount/remove the module to/from the base unit, and the
terminal block to/from the module more than 50 times (IEC 61131-2 compliant) respectively.
Exceeding the limit of 50 times may cause malfunction.
● Before handling the module, touch a conducting object such as a grounded metal to discharge the
static electricity from the human body.
Failure to do so may cause the module to fail or malfunction.
[Disposal Precautions]
● When disposing of this product, treat it as industrial waste.
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WARNING
CAUTION
CAUTION