Mitsubishi FX3UC SERIES User Manual page 218

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
INSTALLATION PRECAUTIONS
• Use the product within the generic environment specifications described in Section 3.1 of this manual.
Never use the product in areas with excessive dust, oily smoke, conductive dusts, corrosive gas (salt air, Cl
SO or NO
2 2
wind.
If the product is used in such conditions, electric shock, fire, malfunctions, deterioration or damage may occur.
• Do not touch the conductive parts of the product directly.
Doing so may cause device failures or malfunctions.
• Install the product securely using a DIN rail or mounting screws.
Main unit, FX
special function blocks, special adapter, extension power supply unit,
FX -CNV-IF, FX
2NC
FX /FX
0N 2N
function blocks, FX
• Install the product on a flat surface.
If the mounting surface is rough, undue force will be applied to the PC board, thereby causing nonconformities.
• Make sure to affix the expansion board with tapping screws.
Tightening torque: 0.3 to 0.6 N
Loose connections may cause malfunctions.
• When drilling screw holes or wiring, make sure that cutting and wiring debris do not enter the ventilation slits.
Failure to do so may cause fire, equipment failures or malfunctions
• Be sure to remove the dust proof sheet from the PLC's ventilation port when installation work is completed.
Failure to do so may cause fire, equipment failures or malfunctions
• Connect the extension cables, peripheral device cables, input/output cables and battery connecting cable
securely to their designated connectors.
Loose connections may cause malfunctions.
• Connect the display module, memory cassette, FX
power supply unit and expansion board securely to their designated connectors.
Loose connections may cause malfunctions.
• Turn off the power before attaching or detaching the following devices.
Failure to do so may cause device failures or malfunctions.
- Peripheral devices, display module, expansion boards and special adapters
- Extension blocks, FX Series terminal blocks, Connector conversion adapter and extension power supply unit
- Battery and memory cassette
• When a dust proof sheet is supplied with an extension unit/ block, keep the sheet applied to the ventilation slits
during installation and wiring work.
212
), flammable gas, vibration or impacts, or exposed to high temperature, condensation, or rain and
Series I/O extension blocks, FX
2NC
-10GM, FX -20GM, FX Series terminal blocks
2N 2N
Series I/O extension blocks, FX
-1RM(-E)
2N
m
•
8 Terminal Block Specifications and External Wiring
/FX Series
2NC 3UC
/FX /FX Series special
0N 2N 3U
Series I/O extension blocks, FX
2NC
Note
DIN rail only
DIN rail or direct
mounting
-CNV-IF, extension
2NC
, H S,
2 2