Base frequency 1, Rated voltage at base frequency 1
Maximum output voltage 1
Related function codes: H50, H51 Non-linear V/f 1 (Frequency, voltage)
H52, H53 Non-linear V/f 2 (Frequency, voltage)
H65, H66 Non-linear V/f 3 (Frequency, voltage)
Set the base frequency and base frequency voltage that are essential to operation of the motor. By combining
related function codes H50 to H53, H65, and H66, it is possible to set non-linear V/f pattern (weak or strong voltage
by arbitrary point) and perform setting of V/f characteristics that is suitable for the load.
Impedance of the motor becomes larger with high frequency, and when output voltage becomes less, output
torque may be reduced. In order to prevent this, increase the voltage at high frequency by setting function code
F06 (maximum output voltage 1). However, it is not possible to output voltage at or higher than the input power
voltage of the inverter.
Point of V/f
Function code
Remarks
Frequency Voltage
Maximum output
frequency
F03 F06
During auto torque boost, vector control with/ without speed
sensor, the maximum output voltage setting is disabled.
Base frequency F04 F05
Non-linear V/f 3 H65 H66
This code is disabled during auto torque boost, vector control
with/ without speed sensor.
Non-linear V/f 2 H52 H53
Non-linear V/f 1 H50 H51
<Setting example>
■ Normal V/f pattern setting
■ Non-linear V/f pattern setting (3 points)
Output voltage (V)
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