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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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Frequency adjustment using potentiometer
Since the inverter is initially set to 0 Hz for 0 V and 60 Hz for 5 V, you can calculate the frequency for a certain voltage value. The equation is "Output f... More Details >>
- No:22004
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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1. The braking torque can be considered 50% of the motor rated torque.2. The largest stress the DC injection brake gives to the motor is the motor heat gener... More Details >>
- No:22088
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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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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The deceleration stop is also performed according to the setting in Pr.815 under V/F control. More Details >>
- No:20957
- Release Date:2018/08/22 16:25
- Category: Inverters-FREQROL , FREQROL-A800
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The mini B connector is used for connecting with FR Configurator2. A USB memory device can be connected to the A connector (host) to save parameters or trace... More Details >>
- No:21095
- Release Date:2018/08/22 16:25
- Category: FREQROL-A800 , FREQROL-F800
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Reverse rotation prevention selection
Yes, it does. When the inverter is coasting in the reverse direction, it starts in the reverse direction and switches to the forward rotation after a deceler... More Details >>
- No:21125
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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Yes. It is available by using the FR-A7AY (plug-in option). By setting Pr.307 (Setting for zero analog output) to "20" and Pr.309 (Analog output signal volta... More Details >>
- No:21246
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
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Check the AU signal (AU - SD). To use the terminal 4, the AU signal (AU - SD) needs to be turned ON. Turning ON the AU signal (AU - SD) disables the terminal 2. More Details >>
- No:21267
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these are both input simultaneously. When t... More Details >>
- No:21424
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-U100
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