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Inverters-FREQROL
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Calculation of inverter acceleration and deceleration time
Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional capacity selection software is also pr... More Details >>
- No:22097
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Set Pr.79 (Operation mode) setting value to "0", "2", or "6", Pr.340 (Communication startup mode selection) other than the setting value, Pr.542 (Station num... More Details >>
- No:21896
- Release Date:2018/08/22 16:29
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
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Normally, any of the PU, EXT, or NET LED turns ON.Check if the parameter unit FR-PU04/FR-PU07 or operation panel FR-PA07 is externally connected to the PU co... More Details >>
- No:21803
- Release Date:2018/08/22 16:29
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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Countermeasure against noise on input side
In general, the line noise filter (FR-BLF) is used against the power supply noise. The AC reactor also works. As other countermeasures:- Use a metal conduit ... More Details >>
- No:21517
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , Others , FREQROL-A200
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How can I calculate the processing torque from the measured power?
You can calculate the torque from the power. From the general equation: Pout = ωn × TT = (Pout × τ)/ωnPout: Measured valueωn: Actual motor shaft angular fre... More Details >>
- No:21475
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Others , FREQROL-A500
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Not available. Differences between the parts supplied with the FR-A7NC and FR-A7NC E kit will result in improper installation. Use the FR-A7NC. Use the FR-A7NC. More Details >>
- No:21258
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
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The sine wave filter can be applied only under V/F control. When Pr.72 PWM frequency selection is set to 25, V/F control is set automatically. The applicable... More Details >>
- No:21068
- Release Date:2018/08/22 16:25
- Category: Inverters-FREQROL , Options , FREQROL-A800 , FREQROL-A700
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The answers are as follows:- Effect of reactorAttaching a reactor improves the power factor and suppresses harmonics.The AC reactor improves the power factor... More Details >>
- No:22092
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Options
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1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it is considered that the current did n... More Details >>
- No:22067
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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You can do so by assigning the terminal AU.Assign the terminal AU to an unused terminal.(For example, when assigning AU to the terminal RL, set Pr.180 = 4.)B... More Details >>
- No:21915
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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