Mitsubishi Electric GOT SIMPLE Series, User Manual

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5
[TEST OPERATION PRECAUTIONS]
[STARTUP/MAINTENANCE PRECAUTIONS]
[STARTUP/MAINTENANCE PRECAUTIONS]
WARNING
● Before performing the test operations of the user creation monitor screen (such as turning ON or OFF
bit device, changing the word device current value, changing the settings or current values of the
timer or counter, and changing the buffer memory current value), read through the manual carefully
and make yourself familiar with the operation method. During test operation, never change the data of
the devices which are used to perform significant operation for the system. False output or
malfunction can cause an accident.
WARNING
●
When power is on, do not touch the terminals. Doing so can cause an electric shock or malfunction.
●
Before starting cleaning or terminal screw retightening, always switch off the power externally in all
phases.
Not doing so can cause the unit to fail or malfunction.
Undertightening can cause a short circuit or malfunction.
Overtightening can cause a short circuit or malfunction due to the damage of the screws or unit.
CAUTION
●
Do not disassemble or modify the unit. Doing so can cause a failure, malfunction, injury or fire.
● Do not touch the conductive and electronic parts of the unit directly. Doing so can cause a unit
malfunction or failure.
● The cables connected to the unit must be run in ducts or clamped. Not doing so can cause the unit or
cable to be damaged due to the dangling, motion or accidental pulling of the cables or can cause a
malfunction due to a cable connection fault.
●
When unplugging the cable connected to the unit, do not hold and pull from the cable portion. Doing
so can cause the unit or cable to be damaged or can cause a malfunction due to a cable connection
fault.
● Do not drop the module or subject it to strong shock. A module damage may result.
●
Before touching the unit, always touch grounded metals, etc. to discharge static electricity from
human body, etc. Not doing so can cause the unit to fail or malfunction.