If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is excee

We recommend the following digital counter: (Connect it between the terminals FM and SD.) Manufacturer: KOYO ELECTRONICS

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

The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 with

For both the 200 V and 400 V classes have the built-in regenerative resistor for 0.4 K to 7.5 K.The permissible power is

First, ensure that the parameter for automatic restart after instantaneous power failure is set correctly and then do th

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

The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse W

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

Under Advanced magnetic flux vector control, the output frequency varies due to slip compensation. This may cause the ou

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

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Auxiliary input power supply

If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is exceeded, and you need to install 2 KΩ res... More Details >>
- No：21494
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Which is the recommended digital counter?

We recommend the following digital counter: (Connect it between the terminals FM and SD.) Manufacturer: KOYO ELECTRONICS INDUSTRIES CO., LTD.Model: TC-41 More Details >>
- No：21469
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , 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
Speed precision of Advanced magnetic flux vector control

The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 without PG (Advanced flux vector): 1% or ... More Details >>
- No：22013
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Built-in regenerative resistor

For both the 200 V and 400 V classes have the built-in regenerative resistor for 0.4 K to 7.5 K.The permissible power is as follows:Capacity: Short-time perm... More Details >>
- No：22021
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Impossible to recover after power failure

First, ensure that the parameter for automatic restart after instantaneous power failure is set correctly and then do the following:1. Check if the terminals... More Details >>
- No：22033
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
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
Soft-PWM

The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>
- No：21549
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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
Pulse train output of terminal FM

Under Advanced magnetic flux vector control, the output frequency varies due to slip compensation. This may cause the output frequency monitor value to chang... More Details >>
- No：22054
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500

71-80 of Total 123

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