1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approxima

When you switch the inverter to the reverse rotation while it is rotating in the forward direction, it decelerates to st

An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check fo

As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you

You cannot cancel multi-speed command input. When the multi-speed command is input from the terminal, you cannot use the

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three

You can drive multiple motors with a single inverter.However, since the inverter cannot determine the current of each mo

The undervoltage warning of the inverter is judged based on the voltage of the main circuit as follows. Power failure on

1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it

Press the "MODE" key on the operation panel several times to display the faults history screen "E---". Then turn the set

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FAQ within [ Inverters-FREQROL ]

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Output side earth (ground) fault overcurrent protection

1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>
- No：21394
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A024 , FREQROL-E500
Switching between forward and reverse rotations

When you switch the inverter to the reverse rotation while it is rotating in the forward direction, it decelerates to stop over the deceleration time (set wi... More Details >>
- No：22077
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
"OV3" occurs during an inverter stop.

An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check for the power supply voltage. If the ca... More Details >>
- No：21383
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
Calculation of acceleration/deceleration time

As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you should consider a factor of 120% for ... More Details >>
- No：21965
- Release Date：2018/08/22 16:30
- Category： Magnet motor drive
Parameter No.79 (Operation mode)

You cannot cancel multi-speed command input. When the multi-speed command is input from the terminal, you cannot use the potentiometer. Use the inverter so t... More Details >>
- No：21467
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Output phase loss alarm

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>
- No：22052
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Can I drive multiple motors with a single inverter?

You can drive multiple motors with a single inverter.However, since the inverter cannot determine the current of each motor, the electronic thermal O/L relay... More Details >>
- No：22084
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL
Undervoltage warning

The undervoltage warning of the inverter is judged based on the voltage of the main circuit as follows. Power failure only at the main circuit: Output an und... More Details >>
- No：20853
- Release Date：2018/08/22 16:24
- Category： FREQROL-A800 , FREQROL-F800
Stall prevention

1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it is considered that the current did n... More Details >>
- No：22067
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Faults history

Press the "MODE" key on the operation panel several times to display the faults history screen "E---". Then turn the setting dial to display the error displa... More Details >>
- No：21355
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ

1281-1290 of Total 1306

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