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Engineering Software(43)
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FAQ within [ Drive Products ]
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Speed precision of Advanced magnetic flux vector control
The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 without PG (Advanced flux vector): 1% or ... More Details >>
- No:22013
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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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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Reversible operation of agitator
When the inverter's forward and reverse terminals are switched instantaneously, the inverter decelerates and then switches the rotation direction. It can swi... More Details >>
- No:21999
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Manual contactor on output side of drive unit
The low-voltage manual contactor is intended to prevent electric shock during inspection and maintenance of the drive unit.The MELIPM series motor is a synch... More Details >>
- No:21996
- Release Date:2018/08/22 16:30
- Category: Magnet motor drive
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Since the FR-A540-0.75K has a brake transistor for resistor regenerative driving inside the inverter, you do not need to use BU. Just remove the jumper from ... More Details >>
- No:21992
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Regenerative overvoltage protection (E.OVT).This error occurs when the regenerative power returns from the motor to the inverter (for example, during deceler... More Details >>
- No:21991
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-F400
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1. Can I set the frequency by the external potentiometer when multi-speed signal is 0 (nothing is input)?-> It is possible by using the external operation... More Details >>
- No:21990
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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Built-in potentiometer and current input switching control
For setting the frequency, you cannot switch between the operation panel potentiometer and current input from an external source.To switch between the extern... More Details >>
- No:21985
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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Before you change Pr.7 and Pr.8, you must switch to the PU operation mode. Switch to the PU operation mode and change them. More Details >>
- No:21984
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-F500
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Current input switching operation
With your setting, since Pr.60 assigns the OH function to the terminal PL, and terminals RL and SD are open, an external protection error occurs. (It does no... More Details >>
- No:21975
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-S500
801-810 of Total 1368