To conform to the EMC Directive when exporting to an EU country, install the filter that conforms to the EMC Directive o

A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can b

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second con

1. When slight imbalance (approximately 5%) is present with the inverter power supply voltage, the inverter input curren

To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the sign

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% to

If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is

1. Maximum torque available for output from the motor when combined with an inverter for a short period of time (1 minut

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

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

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

81-90 of Total 123

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EMC countermeasure

To conform to the EMC Directive when exporting to an EU country, install the filter that conforms to the EMC Directive on the inverter, and take measures acc... More Details >>
- No：21414
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Driving 200 V motor by 400 V inverter

A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can be rotated by a 400 V inverter, howeve... More Details >>
- No：21446
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A024 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100
Multi-speed operation

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... More Details >>
- No：21472
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Current value on input side and output side

1. When slight imbalance (approximately 5%) is present with the inverter power supply voltage, the inverter input current can get imbalanced significantly. I... More Details >>
- No：21476
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A200
Controlling multiple VVVFs via communication from personal computer

To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>
- No：21491
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Motor heat generation at low-speed operation

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>
- No：21496
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Encoder feedback control wire

If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>
- No：21524
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Term definition and advanced magnetic flux control

1. Maximum torque available for output from the motor when combined with an inverter for a short period of time (1 minute or less). 　　It depends on the contr... More Details >>
- No：21541
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
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
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

81-90 of Total 123

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