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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Power factor improving reactor
Your understanding about the AC and DC reactors is correct. For the harmonics suppression effect obtained by using both types of reactors, refer to the table... More Details >>
- No:21994
- Release Date:2018/08/22 16:30
- Category: Options
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Impossible to recover after power failure
First, ensure that the parameter for automatic restart after instantaneous power failure is set correctly and then do the following:1. Check if the terminals... More Details >>
- No:22033
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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You can use the Hioki Memory HiCorder and clamp-on AC/DC high tester.You can observe the inverter's frequency in one of the following two methods:1. Attach t... More Details >>
- No:22082
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Angular velocity change control
The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore, to implement required control, it i... More Details >>
- No:22086
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-V200
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Vector control cannot be selected unless Pr.862 is set to 1. Only the first motor is supported in the motor setting of FR Configurator2. More Details >>
- No:20840
- Release Date:2018/08/22 16:24
- Category: Inverters-FREQROL , Engineering Software , FREQROL-A800
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Carrier frequency automatic reducing function
The function operates immediately when the current of 85% or higher flows. The limit is canceled when the current becomes 80% or lower. More Details >>
- No:20903
- Release Date:2018/08/22 16:25
- Category: Inverters-FREQROL , FREQROL-A800 , FREQROL-F800
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The calculation is performed by two modes. One method calculates the current winding diameter automatically by moving the dancer roll from lower limit positi... More Details >>
- No:20924
- Release Date:2018/08/22 16:25
- Category: Inverters-FREQROL , FREQROL-A800
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The initial value of Pr.872 is set to "1" (Valid) because the A701 have regeneration unit built-in and an overvoltage may occur when the regenerative operati... More Details >>
- No:20945
- Release Date:2018/08/22 16:25
- Category: Inverters-FREQROL , FREQROL-A700
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Yes, they are the same. More Details >>
- No:21010
- Release Date:2018/08/22 16:25
- Category: Inverters-FREQROL , FREQROL-A800 , FREQROL-F800 , FREQROL-E700
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Yes, the current response is also improved at the same rate. More Details >>
- No:21079
- Release Date:2018/08/22 16:25
- Category: Inverters-FREQROL , FREQROL-A800
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