"OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you con

1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coa

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

Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%

The inverter has the automatic restart after instantaneous power failure function. By setting Pr.61 to other than "9999"

The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore

When using a motor with an encoder by performing auto tuning, you need to choose the operation mode or continuous operat

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

Use Pr.17 (Input terminal assignment) to assign MRS to the terminals DI1, DI2, and DI3.

Connect the external potentiometer to the terminals 10, 2, and 5 of the first inverter (be sure to connect the variable

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FAQ within [ FREQROL-V200 ]

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Meaning of OL display

"OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you continue operation with "OL" is displaye... More Details >>
- No：21449
- Release Date：2018/08/22 16:27
Automatic restart after instantaneous power failure

1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coasting and restarts.2. When automatic ... More Details >>
- No：21942
- Release Date：2018/08/22 16:30
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
Operation under torque limit in the speed control mode

Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%, since the torque does not exceed th... More Details >>
- No：21483
- Release Date：2018/08/22 16:27
Automatic restart after instantaneous power failure

The inverter has the automatic restart after instantaneous power failure function. By setting Pr.61 to other than "9999", the encoder detects the speed of th... More Details >>
- No：21642
- Release Date：2018/08/22 16:28
Angular velocity change control

The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore, to implement required control, it i... More Details >>
- No：22086
- Release Date：2018/08/22 16:30
Cycle operation mode, continuous operation mode, torque characteristic selection

When using a motor with an encoder by performing auto tuning, you need to choose the operation mode or continuous operation mode depending on the application... More Details >>
- No：21661
- 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
Coasting to stop method

Use Pr.17 (Input terminal assignment) to assign MRS to the terminals DI1, DI2, and DI3. More Details >>
- No：21937
- Release Date：2018/08/22 16:30
Connecting potentiometer

Connect the external potentiometer to the terminals 10, 2, and 5 of the first inverter (be sure to connect the variable terminal to the terminal 2).　Connect ... More Details >>
- No：21462
- Release Date：2018/08/22 16:27

1-10 of Total 52

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