JY997D50301D
STARTUP AND
MAINTENANCE
PRECAUTIONS
Before cleaning or retightening terminals, cut off all phases of
the power supply externally.
Failure to do so may cause electric shock.
Before modifying or disrupting the program in operation or
running the PLC, carefully read through this manual and the
associated manuals and ensure the safety of the operation.
An operation error may damage the machinery or cause
accidents.
Do not change the program in the PLC from two or more
peripheral equipment devices at the same time. (i.e. from a
programming tool and a GOT)
Doing so may cause destruction or malfunction of the PLC
program.
Use the battery for memory backup correctly in FX
Series
3U
User's Manual - Hardware Edition.
- Use the battery only for the specified purpose.
- Connect the battery correctly.
- Do not charge, disassemble, heat, put in fire, short-circuit,
connect reversely, weld, swallow or burn the battery, or apply
excessive forces (vibration, impact, drop, etc.) to the battery.
- Do not store or use the battery at high temperatures or
expose to direct sunlight.
- Do not expose to water, bring near fire or touch liquid
leakage or other contents directly.
- Incorrect handling of the battery may cause heat excessive
generation, bursting, ignition, liquid leakage or deformation,
and lead to injury, fire or failures and malfunctions of facilities
and other equipment.
- When replacing the battery, make sure to use our specified
product (FX
-32BL).
3U
- When a battery error occurs ("BATT" LED is lit in red), follow
the description in FX
Series User's Manual - Hardware
3U
Edition.
STARTUP AND
MAINTENANCE
PRECAUTIONS
Turn off the power to the PLC before attaching or detaching the
memory cassette. If the memory cassette is attached or
detached while the PLC's power is on, the data in the memory
may be destroyed, or the memory cassette may be damaged.
Do not disassemble or modify the PLC.
Doing so may cause fire, equipment failures, or malfunctions.
For repair, contact your local Mitsubishi Electric distributor.
Turn off the power to the PLC before connecting or
disconnecting any extension cable.
Failure to do so may cause equipment failures or malfunctions.
Turn off the power to the PLC before attaching or detaching the
following devices.
Failure to do so may cause equipment failures or malfunctions.
- Display module, peripheral devices, expansion boards, and
special adapters
- Connector conversion adapter, extension blocks, and FX
Series terminal blocks
- Battery and memory cassette
Do not use the chemicals for cleaning.
If there is the possibility of touching the PLC inside a control
panel in maintenance, make sure to discharge to avoid the
influence of static electricity.
Since there are risks such as burn injuries, please do not touch
the surface of the equipment with bare hands when it is
operating
in
an
environment
which
exceeds
ambient
temperature of 50°C.