Set Pr.146 (Built-in potentiometer switching) to "0".This allows for using the potentiometer built in the FR-PA02 to set

If Pr.79 = 3, PU and EXT turn ON. Switching between PU and EXT is not available. Turn the setting dial to set the freque

The inverter has the current limit function. This automatically controls the frequency so that the preset current value

The possible causes are as follows. While the inverter power supply is turned ON, inserting the modular jack to the conn

The FREQROL-A200 has magnetic flux vector control in addition to the conventional V/F control. Magnetic flux vector cont

- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (

The FR-E700, D700, F700PJ may activate input phase loss protection "E.ILF" if the phase-to-phase voltage of the power su

As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you

The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse W

An inverter is used to rotate a motor but it cannot be used to detect whether the belt is broken or not. However, the ma

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Inverters-FREQROL

FAQ within [ Inverters-FREQROL ]

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Operation panel (FR-PA02)

Set Pr.146 (Built-in potentiometer switching) to "0".This allows for using the potentiometer built in the FR-PA02 to set the frequency.(Set this parameter to... More Details >>
- No：21729
- Release Date：2018/08/22 16:29
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-F700PJ
PU operation

If Pr.79 = 3, PU and EXT turn ON. Switching between PU and EXT is not available. Turn the setting dial to set the frequency and press the SET key to accept it. More Details >>
- No：21695
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Automatic overload control of inverter

The inverter has the current limit function. This automatically controls the frequency so that the preset current value may not be exceeded. (Note that the m... More Details >>
- No：21409
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-S500
Communication fault occurs

The possible causes are as follows. While the inverter power supply is turned ON, inserting the modular jack to the connector with the operation panel remove... More Details >>
- No：22094
- Release Date：2018/08/22 16:30
- Category： Engineering Software
Auto tuning, tuning mode

The FREQROL-A200 has magnetic flux vector control in addition to the conventional V/F control. Magnetic flux vector control controls the motor with higher ac... More Details >>
- No：21637
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A200
Difference between SU (up to frequency) and FU (frequency detection)

- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>
- No：21436
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Input phase loss

The FR-E700, D700, F700PJ may activate input phase loss protection "E.ILF" if the phase-to-phase voltage of the power supply has become largely unbalanced. More Details >>
- No：21339
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-F700PJ
Calculation of acceleration/deceleration time

As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you should consider a factor of 120% for ... More Details >>
- No：21965
- Release Date：2018/08/22 16:30
- Category： Magnet motor drive
Soft-PWM

The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>
- No：21549
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Detection of the motor load

An inverter is used to rotate a motor but it cannot be used to detect whether the belt is broken or not. However, the magnitude of the load will change when ... More Details >>
- No：21387
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500

31-40 of Total 1292

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