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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Pr.133 can be written.Since the data code numbers of parameters are duplicate, target parameters are switched by link parameter extended setting.You can acce... More Details >>
- No:21976
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500 , FREQROL-F500
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Since the terminal FM is designed with 8 V peak pulse voltage output, it cannot output 10 V.Since the terminal AM is an analog output of 0 V to 10 V, use thi... More Details >>
- No:21978
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Speed adjustment of multiple inverters using variable resistor
You can connect up to three inverters in parallel to an external variable resistor. Refer to the figure below for a connection example. By setting parameters... More Details >>
- No:21980
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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We can manufacture magnet motors with reduction gears.We have no catalog of them.Contact our sales representative for details. More Details >>
- No:21982
- Release Date:2018/08/22 16:30
- Category: Magnet motor drive
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The surface temperature of approximately 70?C is OK.The following shows the MM-CF352 frame temperature for reference.(Actual temperature rise depends on how ... More Details >>
- No:21988
- Release Date:2018/08/22 16:30
- Category: Magnet motor drive
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Using both types of power factor improving reactors
Yes.By using both types of reactors together, you can reduce the outgoing harmonic current.For examples of harmonics reduction, refer to the value in the har... More Details >>
- No:21995
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Options
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Current increase at motor stop
If the current increases when the motor stops under V/F control (at low speed under a light load), the motor is considered to be in the overexcitation state.... More Details >>
- No:21997
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Consideration on power supply capacity
The inverter's power supply capacity can be calculated using the following equation:Power supply capacity [kVA] = Motor output (kW)/(Motor efficiency × Inver... More Details >>
- No:22000
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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The inverter does not have a function to limit the current at 0 Hz.Although it has the DC injection brake, it is intended to improve the braking capability b... More Details >>
- No:22002
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Earth leakage detection of the inverter
To protect personnel from electric shock, it is necessary to provide the circuit with the earth leakage circuit breaker.The inverter and motor circuits also ... More Details >>
- No:22006
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Peripheral devices
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