Mitsubishi Electric MELSECQ Series User Manual page 5

[Wiring precautions]
● Always ground the shielded cable on the encoder side (relay box).
Failure to do may cause a malfunction.
● Correctly wire cables to the module after checking the rated voltage and terminal layout of the
product.
Connecting a voltage different from the rated voltage or incorrect wiring may result in a fire or failure.
[Startup and Maintenance Precautions]
● Do not disassemble or remodel each of the modules.
Doing so may cause failure, malfunctions, personal injuries and/or a fire.
● Be sure to shut off all phases of the external power supply used by the system before mounting or
removing the module.
Not doing so may result in a failure or malfunction of the module.
● Do not install/remove the module to/from the base unit more than 50 times after the first use of the
product. (IEC 61131-2 compliant)
Failure to do so may cause malfunction.
● Do not touch the terminal while the power is ON. Failure to do may cause a malfunction.
● Switch off all phases of the externally supplied power used in the system when cleaning the module
or retightening the terminal or module fixing screws.
Not doing so may result in a failure or malfunction of the module.
If the screw is too loose, it may cause a drop, short circuit or malfunction.
Excessive tightening may damage the screw and/or the module, resulting in a drop, short circuit or
malfunction.
● Before handling the module, touch a grounded metal object to discharge the static electricity from
the human body.
Not doing so may result in a failure or malfunction of the module.
[Disposal Precautions]
● When disposing of this product, treat it as industrial waste.
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