Harmonics cannot be suppressed (controlled) correctly and noise cannot be removed. Be sure to connect the supplied react

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

We do not offer a sample program for the programmable controller. Refer to the Instruction Manual and create the program

In general, the line noise filter (FR-BLF) is used against the power supply noise. The AC reactor also works. As other c

Since the inverter displayed "0.00" instead of an error when the inverter speed dropped to 0 Hz and stopped by holding t

Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommende

You can use an inverter for fan and pump with the compressor, but it is not recommended for an application that the moto

Frequent occurrences of OL means that the inverter is overloaded. Since the inverter can go faulty if it is constantly o

When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting o

You can connect multiple inverters to a single reactor. In this case, the load seems to be light from the reactor unless

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FAQ within [ Inverters-FREQROL ]

641-650 of Total 1306

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What happens if the supplied reactor and outside box are not used?

Harmonics cannot be suppressed (controlled) correctly and noise cannot be removed. Be sure to connect the supplied reactor and outside box to the inverter. More Details >>
- No：21557
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Options
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
Do you have a sample program for 485 communication?

We do not offer a sample program for the programmable controller. Refer to the Instruction Manual and create the program by yourself. More Details >>
- No：21522
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Others , FREQROL-E500
Countermeasure against noise on input side

In general, the line noise filter (FR-BLF) is used against the power supply noise. The AC reactor also works. As other countermeasures:- Use a metal conduit ... More Details >>
- No：21517
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Others , FREQROL-A200
Speed does not exceed 46 Hz

Since the inverter displayed "0.00" instead of an error when the inverter speed dropped to 0 Hz and stopped by holding the winding machine by hand, it is con... More Details >>
- No：21492
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Connection with pole change motor

Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommended to fix the number of poles to four ... More Details >>
- No：21486
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others
Compressor

You can use an inverter for fan and pump with the compressor, but it is not recommended for an application that the motor load rapidly increases. More Details >>
- No：21443
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A100
Overcurrent

Frequent occurrences of OL means that the inverter is overloaded. Since the inverter can go faulty if it is constantly overloaded, you need to take a counter... More Details >>
- No：21430
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Coasting

When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting of Pr.250. More Details >>
- No：21423
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Installing reactor for suppressing harmonics

You can connect multiple inverters to a single reactor. In this case, the load seems to be light from the reactor unless all of the inverters are rotating an... More Details >>
- No：21410
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Options

641-650 of Total 1306

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