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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Calculation of acceleration/deceleration time
As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you should consider a factor of 120% for ... More Details >>
- No:21965
- Release Date:2018/08/22 16:30
- Category: Magnet motor drive
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Power factor of inverter drive
Under 100% load, the power factors of the AC and DC reactors are 90% and 95%, respectively. For a line with no inverter control, use a power factor correctio... More Details >>
- No:21934
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Can I drive multiple motors with a single inverter?
You can drive multiple motors with a single inverter.However, since the inverter cannot determine the current of each motor, the electronic thermal O/L relay... More Details >>
- No:22084
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Parameter No.79 (Operation mode)
You cannot cancel multi-speed command input. When the multi-speed command is input from the terminal, you cannot use the potentiometer. Use the inverter so t... More Details >>
- No:21467
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-E500
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Switching between forward and reverse rotations
When you switch the inverter to the reverse rotation while it is rotating in the forward direction, it decelerates to stop over the deceleration time (set wi... More Details >>
- No:22077
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Set Pr.340 (Communication startup mode selection) to "1" or "2".Also, by setting Pr.79 (Operation mode selection) to "0", "2", or "6", the inverter enters th... More Details >>
- No:21879
- Release Date:2018/08/22 16:29
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
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"OV3" occurs during an inverter stop.
An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check for the power supply voltage. If the ca... More Details >>
- No:21383
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A024
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Normally, the inverter starts up in the NET operation mode at power ON when Pr.340 is set to "10" and Pr.79 is set to "0". When it starts up in the PU operat... More Details >>
- No:21319
- 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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When Pr.79 is set to "3", the JOG operation is not available by turning ON the terminal JOG.Instead of the JOG function, you can set the low-speed RL of the ... More Details >>
- No:21760
- Release Date:2018/08/22 16:29
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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The FREQROL-A200 has magnetic flux vector control in addition to the conventional V/F control. Magnetic flux vector control controls the motor with higher ac... More Details >>
- No:21637
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A200
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