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FAQ within [ FREQROL-E500 ]

11-20 of Total 85

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  • Soft-PWM

    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
  • 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
  • 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
  • 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
  • I want to synchronize the Z200 and E500.

    If you are using analog voltage commands, connect the voltage inputs to the FR-E500 and FR-Z200 in parallel to equalize inputs to both units and speeds are s... More Details >>

    • No:21929
    • Release Date:2018/08/22 16:30
  • 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
  • CC-Link

    Although you specify the FR-V200 and others as the inverter models, CC-Link is currently supported by the FR-A500 and FR-E500. The FR-V200E does not support ... More Details >>

    • No:21499
    • Release Date:2018/08/22 16:27
  • 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
  • Permissible brake duty

    When consuming the regenerative power with the brake resistor, the brake transistor is triggered at a certain voltage to make the brake resistor use the rege... More Details >>

    • No:22074
    • Release Date:2018/08/22 16:30
  • Speed control failure due to 20 mA from DC 4

    It seems that there is a read error for 20 mA DC inside the inverter.Setting Pr.905 to 50 Hz while 20 mA DC is actually flowing between the terminals 4 and 5... More Details >>

    • No:21998
    • Release Date:2018/08/22 16:30

11-20 of Total 85

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