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FAQ within [ Inverters-FREQROL ]
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Negative phase of input power supply
The power supplied to the inverter is converted into DC by the converter inside the inverter and then stored in the capacitor. Thus, reversing the phase sequ... More Details >>
- No:22055
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Single-phase power supply drive
For a single-phase 200 V power supply, you can use the FR-E520S series for up to 0.75 kW motor.If you use the three-phase 200 V power supply inverter with a ... More Details >>
- No:22015
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Frequency misalignment at current input
It seems that calibration of the current input is slightly incorrect.By using Pr.904 (Frequency setting current bias) and Pr.905 (Gain), you can calibrate th... More Details >>
- No:22014
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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When all of the multi-speed input signals are turned OFF during external operation, the output frequency conforms to the external analog frequency command (i... More Details >>
- No:22012
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Inverter selection when driving multiple motors
When driving multiple motors with a single inverter, determine the inverter capacity in one of the following two methods:1. When driving multiple motors conn... More Details >>
- No:22007
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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When controlling motor with brake by inverter
Use the RUN signal to turn ON and OFF the brake.Using the MRS (output shutoff) signal to turn ON the brake shuts off the inverter's output and reduces influe... More Details >>
- No:21960
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Electronic thermal O/L relay setting
Set Pr.9 to the rated current at 50 Hz or a value 1.1 times as the rated current at 60 Hz.You can specify the motor type with Pr.71 (Applied motor). For a co... More Details >>
- No:21941
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Harmonic suppression guidelines
A 200 V class inverter of 3.7 kW or smaller is the target of the harmonic suppression guidelines for household appliances and general-purpose products, and i... More Details >>
- No:21553
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL
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Installing contactor on input side
It is not recommended to install a contactor on the input side and connect the auxiliary contact to the terminal STF of the inverter for the following reason... More Details >>
- No:21533
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL
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Although you can connect an analog or digital indicator to the terminal FM, use an analog indicator since the wiring length is long. (The maximum wiring leng... More Details >>
- No:21415
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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