1. Can I set the frequency by the external potentiometer when multi-speed signal is 0 (nothing is input)?-> It is pos

Yes.By using both types of reactors together, you can reduce the outgoing harmonic current.For examples of harmonics red

If the current increases when the motor stops under V/F control (at low speed under a light load), the motor is consider

The RX7 output signal is the same as the signals for NO, NC, and transfer contact output.You can change the contents of

When using one-rank-higher inverter, as you mention, you need to care about the setting of the electronic thermal O/L re

You can install the operation panel FR-DU04 (or parameter unit FR-PU04) on the enclosure surface by connecting it with t

As an example, you can use an inverter to feed the cord at the constant speed under dancer control using a combination o

The phase detection terminal has been provided with units produced since December 1999. You can identify these units wit

If the MC on the input side is shut off using the fault output of the FR-E500, the inverter's fault records are left in

It is recommended to turn OFF the start signals (STF and STR) when stopping the inverter.In this case, it is not probabl

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FAQ within [ Inverters-FREQROL ]

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Control method

1. Can I set the frequency by the external potentiometer when multi-speed signal is 0 (nothing is input)?-> It is possible by using the external operation... More Details >>
- No：21990
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
Using both types of power factor improving reactors

Yes.By using both types of reactors together, you can reduce the outgoing harmonic current.For examples of harmonics reduction, refer to the value in the har... More Details >>
- No：21995
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Options
Current increase at motor stop

If the current increases when the motor stops under V/F control (at low speed under a light load), the motor is considered to be in the overexcitation state.... More Details >>
- No：21997
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
Alarm output signal when using CC-Link

The RX7 output signal is the same as the signals for NO, NC, and transfer contact output.You can change the contents of this output signal using Pr.192.Pr.19... More Details >>
- No：22008
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
Notes when inverter capacity is larger than motor capacity

When using one-rank-higher inverter, as you mention, you need to care about the setting of the electronic thermal O/L relay.Setting the electronic thermal O/... More Details >>
- No：22040
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
Installing parameter unit outside control panel

You can install the operation panel FR-DU04 (or parameter unit FR-PU04) on the enclosure surface by connecting it with the inverter via a cable.To do this, d... More Details >>
- No：22044
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Winding control

As an example, you can use an inverter to feed the cord at the constant speed under dancer control using a combination of the deviation detector and deviatio... More Details >>
- No：22047
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Phase detection terminal

The phase detection terminal has been provided with units produced since December 1999. You can identify these units with the serial number "N9Z○○○○○○" or la... More Details >>
- No：22090
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Options
Control circuit power supply

If the MC on the input side is shut off using the fault output of the FR-E500, the inverter's fault records are left in the faults history. More Details >>
- No：22096
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
Operation at external operation/stop

It is recommended to turn OFF the start signals (STF and STR) when stopping the inverter.In this case, it is not probable that the motor rotates due to a cal... More Details >>
- No：22102
- Release Date：2018/08/22 16:31
- Category： Inverters-FREQROL , FREQROL-E500

331-340 of Total 1292

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