It seems that calibration of the current input is slightly incorrect.By using Pr.904 (Frequency setting current bias) an

The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 with

To protect personnel from electric shock, it is necessary to provide the circuit with the earth leakage circuit breaker.

The inverter does not have a function to limit the current at 0 Hz.Although it has the DC injection brake, it is intende

The inverter's power supply capacity can be calculated using the following equation:Power supply capacity [kVA] = Motor

If the current increases when the motor stops under V/F control (at low speed under a light load), the motor is consider

Yes.By using both types of reactors together, you can reduce the outgoing harmonic current.For examples of harmonics red

The surface temperature of approximately 70?C is OK.The following shows the MM-CF352 frame temperature for reference.(Ac

We can manufacture magnet motors with reduction gears.We have no catalog of them.Contact our sales representative for de

You can connect up to three inverters in parallel to an external variable resistor. Refer to the figure below for a conn

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FAQ within [ Drive Products ]

551-560 of Total 1368

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Frequency misalignment at current input

It seems that calibration of the current input is slightly incorrect.By using Pr.904 (Frequency setting current bias) and Pr.905 (Gain), you can calibrate th... More Details >>
- No：22014
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
Speed precision of Advanced magnetic flux vector control

The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 without PG (Advanced flux vector): 1% or ... More Details >>
- No：22013
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Earth leakage detection of the inverter

To protect personnel from electric shock, it is necessary to provide the circuit with the earth leakage circuit breaker.The inverter and motor circuits also ... More Details >>
- No：22006
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Peripheral devices
Motor retention at 0 Hz

The inverter does not have a function to limit the current at 0 Hz.Although it has the DC injection brake, it is intended to improve the braking capability b... More Details >>
- No：22002
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Consideration on power supply capacity

The inverter's power supply capacity can be calculated using the following equation:Power supply capacity [kVA] = Motor output (kW)/(Motor efficiency × Inver... More Details >>
- No：22000
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
Current increase at motor stop

If the current increases when the motor stops under V/F control (at low speed under a light load), the motor is considered to be in the overexcitation state.... More Details >>
- No：21997
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
Using both types of power factor improving reactors

Yes.By using both types of reactors together, you can reduce the outgoing harmonic current.For examples of harmonics reduction, refer to the value in the har... More Details >>
- No：21995
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Options
Motor heat generation

The surface temperature of approximately 70?C is OK.The following shows the MM-CF352 frame temperature for reference.(Actual temperature rise depends on how ... More Details >>
- No：21988
- Release Date：2018/08/22 16:30
- Category： Magnet motor drive
Motor with reduction gears

We can manufacture magnet motors with reduction gears.We have no catalog of them.Contact our sales representative for details. More Details >>
- No：21982
- Release Date：2018/08/22 16:30
- Category： Magnet motor drive
Speed adjustment of multiple inverters using variable resistor

You can connect up to three inverters in parallel to an external variable resistor. Refer to the figure below for a connection example. By setting parameters... More Details >>
- No：21980
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL

551-560 of Total 1368

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