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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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1. By changing RWw1 while RYD is ON, you can change the inverter's frequency.You cannot do this with RYE. You need to turn OFF and then ON RYE each time you ... More Details >>
- No:22083
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Controlling multiple VVVFs via communication from personal computer
To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>
- No:21491
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Simple torque control using stall prevention function
Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to use the current limit function to preve... More Details >>
- No:21493
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>
- No:21524
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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Class, instance, and attribute represents different grouping of objects.Comparing object grouping to a mailing address, they can be considered as follows:Sta... More Details >>
- No:21924
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500
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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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If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is exceeded, and you need to install 2 KΩ res... More Details >>
- No:21494
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Coasting operation of the inverter
To use an inverter using the external contact coast to stop (to shut off the inverter's output), short-circuit the terminals MRS and SD.For CC-Link operation... More Details >>
- No:22003
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Inverter installation interchange attachment
Use the FR-A5AT02 as the intercompatibility attachment when upgrading from the FR-A220-3.7K to FR-A540-3.7K. More Details >>
- No:22095
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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When Advanced magnetic flux vector control (Pr.80, 81) is used, the machine speed constant is controlled. The inverter calculates the motor slip and compensa... More Details >>
- No:21374
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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