You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is tha

Pr.168 indicates the inverter software version.Pr.169 indicates the inverter software subversion history. These two para

If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is

You can calculate the torque from the power. From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured va

We recommend the following digital counter: (Connect it between the terminals FM and SD.) Manufacturer: KOYO ELECTRONICS

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

Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the

You can input current from the terminal AM of the inverter to the programmable controller (for A/D conversion) and contr

When the built-in brake resistor is used, the regenerative brake duty is as follows:200 V 0.4K to 3.7K: 3%, 5.5K to 7.5K

The following may be the cause. - No encoder power supply. - The setting of Pr.359 (Encoder rotation direction) is rever

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Inverters-FREQROL

FAQ within [ Inverters-FREQROL ]

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Using control power supply

You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is that the main circuit power supply is OF... More Details >>
- No：21535
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Parameters not covered in manual are displayed

Pr.168 indicates the inverter software version.Pr.169 indicates the inverter software subversion history. These two parameters are only used by the manufactu... More Details >>
- No：21532
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E500
Encoder feedback control wire

If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>
- No：21524
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
How can I calculate the processing torque from the measured power?

You can calculate the torque from the power. 　From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured valueωn: Actual motor shaft angular fre... More Details >>
- No：21475
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
Which is the recommended digital counter?

We recommend the following digital counter: (Connect it between the terminals FM and SD.) Manufacturer: KOYO ELECTRONICS INDUSTRIES CO., LTD.Model: TC-41 More Details >>
- No：21469
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
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
Inverter circuit breaker selection

Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the leakage current for the 400 V system ... More Details >>
- No：21429
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
Load current limit of inverter

You can input current from the terminal AM of the inverter to the programmable controller (for A/D conversion) and control the speed with the software of the... More Details >>
- No：21419
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Brake resistor

When the built-in brake resistor is used, the regenerative brake duty is as follows:200 V 0.4K to 3.7K: 3%, 5.5K to 7.5K: 2%400 V 0.4K to 7.5K: 2 % The capac... More Details >>
- No：21273
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL , FREQROL-A700
LED blinking under encoder feedback control

The following may be the cause. - No encoder power supply. - The setting of Pr.359 (Encoder rotation direction) is reversed. - The signal from the encoder is... More Details >>
- No：21219
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL

871-880 of Total 1306

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