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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Automatic overload control of inverter
The inverter has the current limit function. This automatically controls the frequency so that the preset current value may not be exceeded. (Note that the m... More Details >>
- No:21409
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-E500 , FREQROL-S500
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The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>
- No:21549
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Digital input and maximum frequency
1. Pr.1 and 18 limit the output to 120 Hz. Use Pr.18 to change the maximum frequency. 2. If you want to output the binary input as is, setting Pr.304 = 1 (Bi... More Details >>
- No:22098
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
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Surge voltage of 400 V inverter
No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No:21401
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
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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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Speed change due to power supply voltage fluctuation
1. The output frequency satisfies the "control specification/frequency precision" even when the power supply voltage changes, but the output voltage cannot r... More Details >>
- No:22069
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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1. By setting Pr.158 (Terminal AM function selection) to "21" (Reference voltage output), 10 V is output from the terminal AM.2. Read Pr.901 in the PU operat... More Details >>
- No:21936
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A200 , FREQROL-A100
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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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"8" display in offline auto tuning means forced stop by the operator. This means that you stopped operation before tuning completes. With this forced stop, ... More Details >>
- No:21527
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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What happens if reset occurs during operation?
This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No:21477
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100 , FREQROL-U100 , Common
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