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Adjustment of the output torque
(current) of the motor
POINT
If the following conditions are not satisfied, select V/F control since malfunction such as insufficient torque and
uneven rotation may occur.
• The motor capacity should be equal to or one rank lower than the inverter capacity. (note that the capacity should
be 0.4kW or more)
• Motor to be used is either Mitsubishi standard motor (SF-JR 0.4kW or higher), Mitsubishi high efficiency motor
(SF-HR 0.4kW or higher) or Mitsubishi constant torque motor (SF-JRCA 4P, SF-HRCA 0.4kW to 55kW). When
using a motor other than the above (SF-TH, other manufacturer's motors, etc.), perform offline auto tuning without
fail.
• Single-motor operation (one motor run by one inverter) should be performed.
• The wiring length from inverter to motor should be within 30m (98.4feet). (Perform offline auto tuning in the state
where wiring work is performed when the wiring length exceeds 30m (98.4feet).)
• For FR-A720-02880 (FR-A740-01440) or more, do not use an option sine wave filter (MT-BSL/BSC) between the
inverter and motor.
148
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