It seems that there is a read error for 20 mA DC inside the inverter.Setting Pr.905 to 50 Hz while 20 mA DC is actually

When the programmable controller power is turned OFF while the inverter is in the PLC link operation mode, a communicati

The inverter has the current limit function. This automatically controls the frequency so that the preset current value

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

Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the

When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This volt

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradua

No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON spee

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge vol

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

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Speed control failure due to 20 mA from DC 4

It seems that there is a read error for 20 mA DC inside the inverter.Setting Pr.905 to 50 Hz while 20 mA DC is actually flowing between the terminals 4 and 5... More Details >>
- No：21998
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-A200 , FREQROL-A100
Resetting inverter after restoring from power failure

When the programmable controller power is turned OFF while the inverter is in the PLC link operation mode, a communication error occurs and the inverter trip... More Details >>
- No：21417
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Plug-in Options , FREQROL-A500
Automatic overload control of inverter

The inverter has the current limit function. This automatically controls the frequency so that the preset current value may not be exceeded. (Note that the m... More Details >>
- No：21409
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-S500
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
Power factor improving effect by option

Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>
- No：22020
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
Surge voltage of 400 V motor

When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>
- No：21404
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100
Stall prevention operation

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradually raises the frequency for accelera... More Details >>
- No：21413
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Surge voltage of 400 V inverter

No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No：21401
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
What happens if reset occurs during operation?

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No：21477
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100 , FREQROL-U100 , Common
Inverter drive of 400 V class motor

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>
- No：21926
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-B , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100

111-120 of Total 123

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