The inverter outputs the peak voltage 300 to 400 VDC of the bus voltage not in a pure sine wave but a in a PWM waveform.

For the set frequency 60 Hz, ±6 Hz is applied and thus the up to frequency signal is output between 54 Hz and 66 Hz. Dur

The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefo

The FR-PU02-1 cannot be used with the FR-B3 series inverters. Use the FR-DU04 or FR-PU04.

Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the

The inverter alarm "OV3" occurs when the main circuit DC voltage inside the inverter goes higher than the preset value d

1. You cannot use the inverter in an environment where it is exposed to oil mist. You need to enclose the inverter in a

The rated sensitivity current of the earth leakage circuit breaker can be calculated using the following equation. If th

In general, both are inverters using the same control method, however, the inverter speed controller limits functions co

You can vary the carrier frequency within the range of 0.7 to 14.5 kHz, and it is initially set to 1 kHz that generates

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FAQ within [ Inverters-FREQROL ]

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Terminal indicator lamp

The inverter outputs the peak voltage 300 to 400 VDC of the bus voltage not in a pure sine wave but a in a PWM waveform. Check if the lamp to be connected ca... More Details >>
- No：21323
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Frequency setting

For the set frequency 60 Hz, ±6 Hz is applied and thus the up to frequency signal is output between 54 Hz and 66 Hz. During acceleration/deceleration to the ... More Details >>
- No：21348
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Countermeasure against the instantaneous power failure with the inverter

The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>
- No：21368
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024 , FREQROL-E500
Parameter unit

The FR-PU02-1 cannot be used with the FR-B3 series inverters. 　Use the FR-DU04 or FR-PU04. More Details >>
- No：21408
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-B
Inverter circuit breaker selection

Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the leakage current for the 400 V system ... More Details >>
- No：21429
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
Countermeasure against error

The inverter alarm "OV3" occurs when the main circuit DC voltage inside the inverter goes higher than the preset value due to the regenerative power returned... More Details >>
- No：21438
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
Countermeasure against oil mist

1. You cannot use the inverter in an environment where it is exposed to oil mist. 　You need to enclose the inverter in an enclosure and then install the encl... More Details >>
- No：21538
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Sensitivity current of earth leakage circuit breaker

The rated sensitivity current of the earth leakage circuit breaker can be calculated using the following equation. If the result is 30 mA or less, the NV-FA ... More Details >>
- No：21547
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Peripheral devices
Difference from general-purpose inverter

In general, both are inverters using the same control method, however, the inverter speed controller limits functions compared with the general-purpose inver... More Details >>
- No：21582
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , SC-A
Range of carrier frequency

You can vary the carrier frequency within the range of 0.7 to 14.5 kHz, and it is initially set to 1 kHz that generates low noise and leakage current. You ca... More Details >>
- No：21607
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A024

951-960 of Total 1292

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