The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 with

It seems that calibration of the current input is slightly incorrect.By using Pr.904 (Frequency setting current bias) an

The contact between the terminals RDY and SE is open collector output.Operation is:Normal: Non-conductiveFault: Conducti

1. Changing frequency to 0 Hz(1) Set Pr.8 (Deceleration time) to 0 second.If the load is large, the stall prevention fun

Many geared motors cannot continuously operate at low speed (for example, slower than 6 Hz) due to grease viscosity.If t

Be sure to use the FR-E5P to mount the operation panel.This is because the board is bare on the back of the operation pa

If you ground the common terminals of the control circuit, it is connected with the inverter's earthing and the inverter

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

Connecting the brake resistor allows for quick deceleration because the regenerative power is processed. (The brake torq

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FAQ within [ Inverters-FREQROL ]

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Speed precision of Advanced magnetic flux vector control

The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 without PG (Advanced flux vector): 1% or ... More Details >>
- No：22013
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Frequency misalignment at current input

It seems that calibration of the current input is slightly incorrect.By using Pr.904 (Frequency setting current bias) and Pr.905 (Gain), you can calibrate th... More Details >>
- No：22014
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
Control wire of FR-HC RDY signal

The contact between the terminals RDY and SE is open collector output.Operation is:Normal: Non-conductiveFault: Conductive More Details >>
- No：22017
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , Options
Usage

1. Changing frequency to 0 Hz(1) Set Pr.8 (Deceleration time) to 0 second.If the load is large, the stall prevention function may work to lengthen decelerati... More Details >>
- No：22019
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
Speed control range

Many geared motors cannot continuously operate at low speed (for example, slower than 6 Hz) due to grease viscosity.If the motor you are using is of this typ... More Details >>
- No：22028
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A024
Operation panel

Be sure to use the FR-E5P to mount the operation panel.This is because the board is bare on the back of the operation panel and a dedicated connector is requ... More Details >>
- No：22030
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
Common terminals of control circuit

If you ground the common terminals of the control circuit, it is connected with the inverter's earthing and the inverter's noise may be input to the control ... More Details >>
- No：22037
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
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
Brake resistor

Connecting the brake resistor allows for quick deceleration because the regenerative power is processed. (The brake torque increases.)Therefore, when an exte... More Details >>
- No：22045
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500

801-810 of Total 1306

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