The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz w

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

It is considered that communication settings between the inverter and personal computer do not match. Check if settings

You can switch between PU operation and external operation using the plug-in option "12-bit digital input" card and exte

The inverter alarm "OV3" occurs when the main circuit DC voltage inside the inverter goes higher than the preset value d

Even when the actual load (torque) is half of the motor capacity, the current output from the inverter to the motor is n

There is a 10 ms delay after the inverter recognizes the start command (STF OR STR) before it starts decelerating. The d

From Z100 to A520: Use the FR-AAT01 to replace the Z100 with the A520. From Z100 to E520: No attachment is available sin

If the load is heavy and the output current is higher than the control value, you can adjust Pr.22 (Stall prevention ope

It is considered that conditions including the power supply and noise change whether the parameter unit is connected or

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FAQ within [ Inverters-FREQROL ]

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Indication of potentiometer on operation panel

The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz with the potentiometer turned to the m... More Details >>
- No：21427
- 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
Inverter data cannot be read

It is considered that communication settings between the inverter and personal computer do not match. Check if settings such as communication rate and stop b... More Details >>
- No：21431
- Release Date：2018/08/22 16:27
- Category： Engineering Software
12-bit digital input and others

You can switch between PU operation and external operation using the plug-in option "12-bit digital input" card and external contact signals. After setting P... More Details >>
- No：21432
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A200
Countermeasure against error

The inverter alarm "OV3" occurs when the main circuit DC voltage inside the inverter goes higher than the preset value due to the regenerative power returned... More Details >>
- No：21438
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
Can I use a motor of which capacity is larger than the inverter capacity?

Even when the actual load (torque) is half of the motor capacity, the current output from the inverter to the motor is not reduced to the half. Therefore, it... More Details >>
- No：21442
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL
Inverter signal input speed

There is a 10 ms delay after the inverter recognizes the start command (STF OR STR) before it starts decelerating. The delay is 10 ms. A delay of 100 ms is i... More Details >>
- No：21445
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Replacement of FR-Z100 series

From Z100 to A520: Use the FR-AAT01 to replace the Z100 with the A520. From Z100 to E520: No attachment is available since E520 is a new series. From Z100 to... More Details >>
- No：21447
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Options , FREQROL-Z100
Relationship between frequency and load current

If the load is heavy and the output current is higher than the control value, you can adjust Pr.22 (Stall prevention operation level) to trigger the stall pr... More Details >>
- No：21450
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL
Rotations per minute vary

It is considered that conditions including the power supply and noise change whether the parameter unit is connected or disconnected, influencing the analog ... More Details >>
- No：21454
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-V200

641-650 of Total 1306

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