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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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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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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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1. Such a behavior does not usually happen. (1) The operation command (STF) is not input, contact faults are present, or wire is broken. (2) The output shu... More Details >>
- No:21552
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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1. To perform emergency stop, it is recommended to have the motor coast and stop it using a mechanical brake.In this case, the output stop (MRS) signal is in... More Details >>
- No:22103
- Release Date:2018/08/22 16:31
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Installing magnetic contactor on input side of inverter
Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to completely shut off the power supply by turni... More Details >>
- No:21466
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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12-bit digital input and others
You can switch between PU operation and external operation using the plug-in option "12-bit digital input" card and external contact signals. After setting P... More Details >>
- No:21432
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-A200
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Connection with personal computer
Connection method for the A500 and E500 is shown in the figure below. The figure is given in an Excel file. Figure 1 More Details >>
- No:21536
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Encoder feedback speed accuracy
The speed variation rate is as follows: - Encoder feedback control: ±0.2% - Vector control: ±0.02% (mentioned in FR-A5AP Instruction Manual) More Details >>
- No:21422
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
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The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated for the voltage monitor. The output vo... More Details >>
- No:21376
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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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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