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

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

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

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

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

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

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

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

The contact between the terminals RDY and SE is open collector output.Operation is:Normal: Non-conductiveFault: Conducti

1. Changing frequency to 0 Hz(1) Set Pr.8 (Deceleration time) to 0 second.If the load is large, the stall prevention fun

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Geared Motors(88)

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FAQ within [ Drive Products ]

811-820 of Total 1368

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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
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
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
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
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
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
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
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
Control wire of FR-HC RDY signal

The contact between the terminals RDY and SE is open collector output.Operation is:Normal: Non-conductiveFault: Conductive More Details >>
- No：22017
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Options
Usage

1. Changing frequency to 0 Hz(1) Set Pr.8 (Deceleration time) to 0 second.If the load is large, the stall prevention function may work to lengthen decelerati... More Details >>
- No：22019
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500

811-820 of Total 1368

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