This manual confers no industrial property rights or any rights of any other kind,
nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
held responsible for any problems involving industrial property rights which may
occur as a result of using the contents noted in this manual.
Warranty
Mitsubishi will not be held liable for damage caused by factors found not to be
the cause of Mitsubishi; opportunity loss or lost profits caused by faults in the
Mitsubishi products; damage, secondary damage, accident compensation
caused by special factors unpredictable by Mitsubishi; damages to products
other than Mitsubishi products; and to other duties.
For safe use
This product has been manufactured as a general-purpose part for general
industries, and has not been designed or manufactured to be incorporated in
a device or system used in purposes related to human life.
Before using the product for special purposes such as nuclear power, electric
power, aerospace, medicine or passenger movement vehicles, consult with
Mitsubishi Electric.
This product has been manufactured under strict quality control. However
when installing the product where major accidents or losses could occur if the
product fails, install appropriate backup or failsafe functions in the system.
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HEAD OFFICE
HIMEJI WORKS
: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310,
JAPAN
: 840, CHIYODA CHO, HIMEJI, JAPAN
ing and power supply wiring between PLC and FX3U-ENET
mple usage of FX3U
ECAUTIONS
Make sure to cut off all phases of the power supply externally before attempting
wiring work.
Failure to do so may cause electric shock or damage to the product.
RING
ECAUTIONS
Before wiring the unit, confirm that the rated voltage and terminal allocation of
the unit are correct. An incorrect voltage supply and/or incorrect wiring may
cause fire, malfunction, or failure.
Perform class D grounding (grounding resistance: 100Ω or less) to the
grounding terminal on the main unit.
Do not use common grounding with heavy electrical systems.
Prevent cutting or wiring debris from entering the main unit. Failure to do so
cause fire, malfunctions, or failures.
Place a label that warns of electrical shock (417-IEC-5036) on the enclosure of
the final equipment.
PLC Other
equipment
PLC Other
equipment
PLC Other
equipment
Shared grounding
Good condition
Common grounding
Not allowed
Independent grounding
Best condition
LAN
24+
HUB
D Grounding
(100 Ω or less)
FX3U
ENET
24-
Externally power supply for ENET
Ethernet
modular jack
(RJ-45)
24V DC