Mitsubishi Electric QJ71DN91, User Manual

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[STARTUP/MAINTENANCE PRECAUTIONS]
!
DANGER

Do not touch any terminal unless all phases of the external power supply have been shut off.
Doing so may cause a malfunction.

Always turn off all phases of the external power supply before cleaning or retightening the
terminal screws.
Failure to do so may result in a malfunction.

Do not disassemble or remodel the module.
Doing so will cause failure, malfunctions, injuries, or a fire.

Before mounting/dismounting the module, be sure to shut off all phases of external power supply
used by the system.
Failure to do so may cause module failure or malfunctions.

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.

Before handling the module, touch a grounded metal object to discharge the static electricity
from the human body.
Failure to do so may cause a failure or malfunctions of the module.
[DISPOSAL PRECAUTION]
!
CAUTION

When disposing of this product, treat it as industrial waste.