You can calculate the torque from the power. From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured va

It can be used in terms of the specifications. However, it is recommended to update the reactor and inverter at the same

The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated f

Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to us

To conform to the EMC Directive when exporting to an EU country, install the filter that conforms to the EMC Directive o

As the inverter does not display the speed in m/min, let us explain using the speed display in r/min. In this case, set

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K

1. In general, the input power of the inverter is always larger than the output power because the inverter loss is added

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradua

You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is tha

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FAQ within [ FREQROL-A500 ]

11-20 of Total 123

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How can I calculate the processing torque from the measured power?

You can calculate the torque from the power. 　From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured valueωn: Actual motor shaft angular fre... More Details >>
- No：21475
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
Use of the DC reactor

It can be used in terms of the specifications. However, it is recommended to update the reactor and inverter at the same time because the DC reactor was manu... More Details >>
- No：21017
- Release Date：2018/08/22 16:25
- Category： FREQROL-A800 , Inverters-FREQROL , FREQROL-F800 , FREQROL-A500 , FREQROL-F500
Current monitor display

The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated for the voltage monitor. The output vo... More Details >>
- No：21376
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Simple torque control using stall prevention function

Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to use the current limit function to preve... More Details >>
- No：21493
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
EMC countermeasure

To conform to the EMC Directive when exporting to an EU country, install the filter that conforms to the EMC Directive on the inverter, and take measures acc... More Details >>
- No：21414
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
I want to display the speed on an analog meter.

As the inverter does not display the speed in m/min, let us explain using the speed display in r/min. In this case, set Pr.52 to "6" (operation panel display... More Details >>
- No：21944
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Heat generation quantity of FR-A500

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>
- No：21515
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Imbalanced input and output side power supplies

1. In general, the input power of the inverter is always larger than the output power because the inverter loss is added to the motor loss. 2. In both of cas... More Details >>
- No：21473
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
Stall prevention operation

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradually raises the frequency for accelera... More Details >>
- No：21413
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Using control power supply

You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is that the main circuit power supply is OF... More Details >>
- No：21535
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500

11-20 of Total 123

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