1. You cannot use the inverter in an environment where it is exposed to oil mist. You need to enclose the inverter in a

When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a f

Since the FR-A540-0.75K has a brake transistor for resistor regenerative driving inside the inverter, you do not need to

To use an inverter using the external contact coast to stop (to shut off the inverter's output), short-circuit the termi

To change the running frequency while the frequency command is input to the terminal 2, adjust the parameters in the fol

The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore

After inputting the start signal performing the tuning, output the output frequency. The tuning ends in approximately 5

The heat sink panel through attachment to the FR-A520-5.5K inverter consist of the top installation frame, bottom instal

The following is the case for the FREQROL-A500 series:1. When the R phase or S phase is lost, the inverter stops since i

The heat generation quantity while the inverter is outputting the rated current is as follows:1. FR-A520-3.7K: 230 W2. F

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

71-80 of Total 123

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Countermeasure against oil mist

1. You cannot use the inverter in an environment where it is exposed to oil mist. 　You need to enclose the inverter in an enclosure and then install the encl... More Details >>
- No：21538
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Faults history upon power failure

When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a fault. Since it is not recognized as a... More Details >>
- No：21551
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Brake unit selection

Since the FR-A540-0.75K has a brake transistor for resistor regenerative driving inside the inverter, you do not need to use BU. Just remove the jumper from ... More Details >>
- No：21992
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Coasting operation of the inverter

To use an inverter using the external contact coast to stop (to shut off the inverter's output), short-circuit the terminals MRS and SD.For CC-Link operation... More Details >>
- No：22003
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Changing main speed at analog signal input

To change the running frequency while the frequency command is input to the terminal 2, adjust the parameters in the following steps:1. Change Pr.77 to "2".2... More Details >>
- No：22025
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Angular velocity change control

The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore, to implement required control, it i... More Details >>
- No：22086
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-V200
Magnetic flux and tuning

After inputting the start signal performing the tuning, output the output frequency. 　The tuning ends in approximately 500 ms in maximum after started. Durin... More Details >>
- No：21372
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Installation dimensions of the heat sink panel through attachment

The heat sink panel through attachment to the FR-A520-5.5K inverter consist of the top installation frame, bottom installation frame, and upper cover. The to... More Details >>
- No：21520
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Others , FREQROL-A500
Power supply phase loss

The following is the case for the FREQROL-A500 series:1. When the R phase or S phase is lost, the inverter stops since it loses the control power supply.2. W... More Details >>
- No：22010
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Inverter's heat generation quantity

The heat generation quantity while the inverter is outputting the rated current is as follows:1. FR-A520-3.7K: 230 W2. FR-A520-7.5K: 420WThe heat generation ... More Details >>
- No：22057
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500

71-80 of Total 123

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