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.
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
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.
HEAD OFFICE : TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310,
m the other
4.1 Applicable PLC
The version number can be checked by monitoring D8001 as the last three digits
4.2 General Specifications
For the general specifications, refer to the manual of the PLC main unit.
The items other than the following are equivalent to those of the PLC main unit.
4.3 Power Supply Specifications
• The product is a precision instrument. During transportation, avoid any impacts.
Failure to do so may cause failures in the product. After transportation, verify the
operations of the product.
Model name Applicability
FX3U Series PLC Ver. 2.20 or later (from first production)
FX3UC Series PLC Ver. 1.30 or later (from the production manufactured in August,
2004 with SER No. 48****)
FX3G Series PLC Ver. 1.00 or later (from first production)
500V AC for one minute
Conforming to JEM-1021
Between all terminals and
ground terminal of PLC
Insulation resistance 5MΩ or more by 500V DC megger
circuit driving power
24V DC +20%/-15%, 50mA for 24V DC
Connect a 24V DC power supply to the terminal block.
5V DC, 15mA
5V DC power is supplied from the internal power supply of