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

The following causes are probable for persistent Err. display: 1. The terminals RES and SD are always short-circuited. 2

The FR-E700, D700, F700PJ may activate input phase loss protection "E.ILF" if the phase-to-phase voltage of the power su

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional c

The possible causes are as follows. While the inverter power supply is turned ON, inserting the modular jack to the conn

Pre-excitation is the process to control current while a motor is stopped so that motor torque can be generated immediat

The inverter has the current limit function. This automatically controls the frequency so that the preset current value

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge vol

Yes, it does. When the inverter is coasting in the reverse direction, it starts in the reverse direction and switches to

When synchronously operating two motors, you need to detect speed from both motors. Each inverter is controlled based on

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Inverters-FREQROL

FAQ within [ Inverters-FREQROL ]

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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
- Category： Inverters-FREQROL , FREQROL-B , FREQROL-A024 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100 , FREQROL-U100 , FREQROL-Z100 , FREQROL-Z200 , SC-A , FREQROL-Z123 , FREQROL-Z300 , FREQROL-Z020 , FREQROL-F400 , FREQROL-Z024
Dealing with Err.

The following causes are probable for persistent Err. display: 1. The terminals RES and SD are always short-circuited. 2. Operation panel contact or operatio... More Details >>
- No：21412
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Input phase loss

The FR-E700, D700, F700PJ may activate input phase loss protection "E.ILF" if the phase-to-phase voltage of the power supply has become largely unbalanced. More Details >>
- No：21339
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-F700PJ
Calculation of inverter acceleration and deceleration time

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional capacity selection software is also pr... More Details >>
- No：22097
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Communication fault occurs

The possible causes are as follows. While the inverter power supply is turned ON, inserting the modular jack to the connector with the operation panel remove... More Details >>
- No：22094
- Release Date：2018/08/22 16:30
- Category： Engineering Software
Pre-excitation, zero-speed control, and servo lock

Pre-excitation is the process to control current while a motor is stopped so that motor torque can be generated immediately. There are two methods for this p... More Details >>
- No：21562
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-V200
Automatic overload control of inverter

The inverter has the current limit function. This automatically controls the frequency so that the preset current value may not be exceeded. (Note that the m... More Details >>
- No：21409
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-S500
Inverter drive of 400 V class motor

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>
- No：21926
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-B , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
Reverse rotation prevention selection

Yes, it does. When the inverter is coasting in the reverse direction, it starts in the reverse direction and switches to the forward rotation after a deceler... More Details >>
- No：21125
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Synchronous operation of two motors

When synchronously operating two motors, you need to detect speed from both motors. Each inverter is controlled based on this speed detection signal. As an e... More Details >>
- No：21540
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Options , FREQROL-A024

41-50 of Total 1306

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