Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to us

After inputting the start signal performing the tuning, output the output frequency. The tuning ends in approximately 5

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% to

- How to find out lost phaseMeasure the three-phase current when the error has occurred.The phase with a small (or no) p

Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to complete

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K

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

Check if the communication setting parameters (Pr.117 to Pr.124) are set to the same values between the inverter and per

Depending on the load current, undervoltage protection (UVT) or instantaneous power failure protection (IPF) is triggere

To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the sign

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FAQ within [ FREQROL-A500 ]

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Simple torque control using stall prevention function

Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to use the current limit function to preve... More Details >>
- No：21493
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Magnetic flux and tuning

After inputting the start signal performing the tuning, output the output frequency. 　The tuning ends in approximately 500 ms in maximum after started. Durin... More Details >>
- No：21372
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Motor heat generation at low-speed operation

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>
- No：21496
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Output phase loss protection error

- How to find out lost phaseMeasure the three-phase current when the error has occurred.The phase with a small (or no) phase current is lost.- Possibility of... More Details >>
- No：21969
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Installing magnetic contactor on input side of inverter

Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to completely shut off the power supply by turni... More Details >>
- No：21466
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Heat generation quantity of FR-A500

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>
- No：21515
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
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
Inverter communication

Check if the communication setting parameters (Pr.117 to Pr.124) are set to the same values between the inverter and personal computer.Note that communicatio... More Details >>
- No：22105
- Release Date：2018/08/22 16:31
- Category： Inverters-FREQROL , FREQROL-A500
Inverter operation against power supply voltage drop

Depending on the load current, undervoltage protection (UVT) or instantaneous power failure protection (IPF) is triggered to shut off the inverter output, an... More Details >>
- No：21471
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Controlling multiple VVVFs via communication from personal computer

To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>
- No：21491
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500

21-30 of Total 119

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