The following two major countermeasures against noise are available: - Keep the noise source and partner device apart fr

During non-low-noise operation (initial setting) with the carrier frequency of 1 kHz, both noise and leakage current lev

Reference of proper use of each series is as follows: - A024: When balance between size, performance, and cost is import

Since the communication unit conforms to the EIA Standard RS-485, up to 32 inverters can be connected. (Transmission for

Energy saving operation of the inverter is represented by comparison with commercial power supply operation. For exampl

Many geared motors cannot continuously operate at low speed (for example, slower than 6 Hz) due to grease viscosity.If t

A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can b

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

You can use the inverter with the single-phase 200 V power supply. However, since ripple current flowing through the cap

This parameter unit realizes both easy operation and advanced operation. In normal operation, you only need to use six k

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FAQ within [ FREQROL-A024 ]

21-30 of Total 40

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Countermeasure against noise and leakage current during low-noise operation

The following two major countermeasures against noise are available: - Keep the noise source and partner device apart from each other.- Install a noise filte... More Details >>
- No：21605
- Release Date：2018/08/22 16:28
Do noise and leakage current increase?

During non-low-noise operation (initial setting) with the carrier frequency of 1 kHz, both noise and leakage current levels are almost same as the Z024 serie... More Details >>
- No：21606
- Release Date：2018/08/22 16:28
Difference in purpose from FR-A200 series

Reference of proper use of each series is as follows: - A024: When balance between size, performance, and cost is important. - A200: When system configuratio... More Details >>
- No：21610
- Release Date：2018/08/22 16:28
How many inverters can I connect using the communication unit?

Since the communication unit conforms to the EIA Standard RS-485, up to 32 inverters can be connected. (Transmission format: Multidrop link, total wiring len... More Details >>
- No：21616
- Release Date：2018/08/22 16:28
Energy saving effect of inverter operation

Energy saving operation of the inverter is represented by comparison with commercial power supply operation. 　For example, to control air volume of an air co... More Details >>
- No：21622
- Release Date：2018/08/22 16:28
Speed control range

Many geared motors cannot continuously operate at low speed (for example, slower than 6 Hz) due to grease viscosity.If the motor you are using is of this typ... More Details >>
- No：22028
- Release Date：2018/08/22 16:30
Driving 200 V motor by 400 V inverter

A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can be rotated by a 400 V inverter, howeve... More Details >>
- No：21446
- Release Date：2018/08/22 16:27
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
Can I use it with the single-phase power supply?

You can use the inverter with the single-phase 200 V power supply. However, since ripple current flowing through the capacitor increases and the converter an... More Details >>
- No：21611
- Release Date：2018/08/22 16:28
Features of parameter unit FR-PU03

This parameter unit realizes both easy operation and advanced operation. In normal operation, you only need to use six keys for easy operation. To perform ad... More Details >>
- No：21614
- Release Date：2018/08/22 16:28

21-30 of Total 40

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