The pulses output from the inverter terminal FM are not completely synchronized with the inverter output frequency. The

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K

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

Since the inverter power supply uses the single-phase input, you cannot use a 0.75K inverter with a 0.6 kW motor to draw

The warning "Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter." is i

The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz w

With the single-phase 200 V input specifications, the input cable current increases. Therefore, choose larger power supp

When the high power factor converter is installed, you can use the conversion coefficient of K5 = 0 for calculation. In

Check the setting value of Pr.37 (Speed display). When the machine speed is set, Pr.811 is disabled. Change the setting

"E.OSD" occurs when the rotation speed is not decreased for one second despite the start command (STF, STR) is turned OF

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FAQ within [ Inverters-FREQROL ]

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Accuracy of inverter terminal FM

The pulses output from the inverter terminal FM are not completely synchronized with the inverter output frequency. The pulse circuit from the terminal FM an... More Details >>
- No：21516
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL
Heat generation quantity of FR-A500

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>
- No：21515
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
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
Using dedicated motor

Since the inverter power supply uses the single-phase input, you cannot use a 0.75K inverter with a 0.6 kW motor to draw the maximum ability of the motor. To... More Details >>
- No：21470
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
Direct driven start by power supply

The warning "Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter." is indicated in the precautions at the be... More Details >>
- No：21458
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Indication of potentiometer on operation panel

The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz with the potentiometer turned to the m... More Details >>
- No：21427
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Notes on using single-phase 200 V

With the single-phase 200 V input specifications, the input cable current increases. Therefore, choose larger power supply capacity and NF/MC than three-phas... More Details >>
- No：21406
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Countermeasure against harmonics

When the high power factor converter is installed, you can use the conversion coefficient of K5 = 0 for calculation. In accordance with the harmonic suppress... More Details >>
- No：21398
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others
Setting resolution switching

Check the setting value of Pr.37 (Speed display). When the machine speed is set, Pr.811 is disabled. Change the setting to the rotation speed. More Details >>
- No：21161
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL , FREQROL-A700
Vector control

"E.OSD" occurs when the rotation speed is not decreased for one second despite the start command (STF, STR) is turned OFF. More Details >>
- No：21159
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL , FREQROL-A700

921-930 of Total 1292

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