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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Driving 200 V motor by 400 V inverter
Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro surge". Usually this surge voltage i... More Details >>
- No:21403
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-E500
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Surge voltage of 400 V inverter
No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No:21401
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
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Wire length between inverter and motor
1. Wiring length between the inverter and the motor should be 500 m or less. For 0.75 kW or lower motors, the following relationship is true: Capacity... More Details >>
- No:21392
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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Using FR-A540 inverter on CC-Link
Answer to question 1 When the CC-Link option goes faulty, OPT (option error) occurs and the inverter's fault output is triggered. When communication is lost ... More Details >>
- No:21391
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Inverter UL and CSA standard product document
The certificate of the standard product is managed by the branch office. Please ask the nearest branch office. More Details >>
- No:21381
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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The constant-torque motor and vector motor are the induction motors, which consist of the stator core, gap, and rotor core. For the constant-torque motor, th... More Details >>
- No:21378
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Others
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Comparison of the speed change rate
Speed fluctuation ratio differs depending on the control method as follows. - V/F control?????????2 to 5% (At the encoder feedback: 0.02%)- General-purpose m... More Details >>
- No:21377
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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Countermeasure against the instantaneous power failure with the inverter
The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>
- No:21368
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A024 , FREQROL-E500
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Operations cannot be enabled separately. You only can disable or enable all the operations. More Details >>
- No:21366
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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Check the setting value of Pr.73. Or check Pr.C4 (Terminal 2 frequency setting gain) for the percentage of the voltage that is actually applied. For the FR-E... More Details >>
- No:21356
- Release Date:2018/08/22 16:27
- Category: FREQROL-E700
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