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

1. The limit of the parameter writing is 100,000 times. 2. Parameter error occurs. Since the data in the ROM may be brok

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

Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load i

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

1. The inverter display is based on the frequency, and the speed and moving speed are displayed by converting the freque

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

There is a 10 ms delay after the inverter recognizes the start command (STF OR STR) before it starts decelerating. The d

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

Class, instance, and attribute represents different grouping of objects.Comparing object grouping to a mailing address,

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

51-60 of Total 123

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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
Is the number of writing times of the parameter memory limited?

1. The limit of the parameter writing is 100,000 times. 2. Parameter error occurs. Since the data in the ROM may be broken, the inverter may become unavailab... More Details >>
- No：21385
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , 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
Clutch connection of load

Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load is heavy. To ensure that the rated cur... More Details >>
- No：21955
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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
Rotation speed setting

1. The inverter display is based on the frequency, and the speed and moving speed are displayed by converting the frequency into the corresponding value. The... More Details >>
- No：21480
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
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
Inverter signal input speed

There is a 10 ms delay after the inverter recognizes the start command (STF OR STR) before it starts decelerating. The delay is 10 ms. A delay of 100 ms is i... More Details >>
- No：21445
- Release Date：2018/08/22 16:27
- 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
Device Net classes

Class, instance, and attribute represents different grouping of objects.Comparing object grouping to a mailing address, they can be considered as follows:Sta... More Details >>
- No：21924
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500

51-60 of Total 123

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