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

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

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

1. To perform emergency stop, it is recommended to have the motor coast and stop it using a mechanical brake.In this cas

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional c

Keep 1 cm or more of clearance for 3.7 K or smaller, and 5 cm or more for 5.5 K or larger.If the clearance is too small,

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

Select the high-duty brake resistor according to the inverter capacity.

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

The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated f

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

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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
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
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
Inverter general matters

1. To perform emergency stop, it is recommended to have the motor coast and stop it using a mechanical brake.In this case, the output stop (MRS) signal is in... More Details >>
- No：22103
- Release Date：2018/08/22 16:31
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Calculation of inverter acceleration and deceleration time

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional capacity selection software is also pr... More Details >>
- No：22097
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Installation clearance of inverters

Keep 1 cm or more of clearance for 3.7 K or smaller, and 5 cm or more for 5.5 K or larger.If the clearance is too small, the cooling effect is lowered. Secur... More Details >>
- No：22046
- Release Date：2018/08/22 16:30
- 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
Selection of high-duty brake resistor

Select the high-duty brake resistor according to the inverter capacity. More Details >>
- No：21953
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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
Current monitor display

The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated for the voltage monitor. The output vo... More Details >>
- No：21376
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500

31-40 of Total 119

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