A single potentiometer cannot operate two speed controller. Reason: Since the control circuit and main circuit of the SC

A reference sine wave signal is generated inside the high power factor converter, and transistors are configured and PWM

Be sure to use a high power factor converter with the capacity higher than the total capacity of the inverters connected

When a CC-Link communication fault occurs, the option error (OP3) occurs on the inverter and the output is shut off, and

Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to complete

Grounding can often get dirty due to influence from the inverter main circuit switching. Therefore, when the potentiomet

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

When measuring current, if you open the output side while current is flowing on the input side, high voltage is induced

Reverse operation is enabled by changing the setting of Pr.40.

The noise filter is not built-in the FR-E700 series. It is built in the FR-A700/F700 series with the 55K or lower capaci

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FAQ within [ Inverters-FREQROL ]

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Can a single potentiometer operate two speed controller?

A single potentiometer cannot operate two speed controller. Reason: Since the control circuit and main circuit of the SC-A speed controller are not insulated... More Details >>
- No：21578
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , SC-A
Waveform improvement

A reference sine wave signal is generated inside the high power factor converter, and transistors are configured and PWM switching is performed in the conver... More Details >>
- No：21574
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Options
Inverter selection when multiple inverters are to be connected

Be sure to use a high power factor converter with the capacity higher than the total capacity of the inverters connected. (Note: One or more of the inverters... More Details >>
- No：21565
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Options
Countermeasure against the fault occurrence

When a CC-Link communication fault occurs, the option error (OP3) occurs on the inverter and the output is shut off, and the motor starts coasting. When usin... More Details >>
- No：21531
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Installing magnetic contactor on input side of inverter

Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to completely shut off the power supply by turni... More Details >>
- No：21466
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Shielded wiring of external speed setting potentiometer

Grounding can often get dirty due to influence from the inverter main circuit switching. Therefore, when the potentiometer shielded wire is connected to the ... More Details >>
- No：21455
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL
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
Current measurement method

When measuring current, if you open the output side while current is flowing on the input side, high voltage is induced and dielectric breakdown may occur wi... More Details >>
- No：21399
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL
Reverse operation

Reverse operation is enabled by changing the setting of Pr.40. More Details >>
- No：21287
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-F700PJ
Noise filter

The noise filter is not built-in the FR-E700 series. It is built in the FR-A700/F700 series with the 55K or lower capacity. More Details >>
- No：21276
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL , FREQROL-E700

1181-1190 of Total 1292

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