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FAQ within [ FREQROL-F500 ]

1-10 of Total 15

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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

  • 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

  • Frequency does not rise with blower

    Our suggestion is to adjust the following parameters:1. Set Pr.14 = 0. If the V/F pattern for variable-torque load (Pr.14 = 1) is used, the current may incre... More Details >>

    • No：22060
    • Release Date：2018/08/22 16:30

  • Terminal AM calibration

    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

  • Speed 15 operation

    Using the inverter's input terminal, you can use up to 15 speeds.This function is supported by the current 500 series products (A500, F500, E500, and S500).U... More Details >>

    • No：21947
    • Release Date：2018/08/22 16:30

  • Parameter writing via CC-Link

    Pr.133 can be written.Since the data code numbers of parameters are duplicate, target parameters are switched by link parameter extended setting.You can acce... More Details >>

    • No：21976
    • Release Date：2018/08/22 16:30

  • Inverter drive of 400 V class motor

    When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>

    • No：21926
    • Release Date：2018/08/22 16:30

  • Surge voltage of 400 V motor

    When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>

    • No：21404
    • Release Date：2018/08/22 16:27

  • Power factor improving effect by option

    Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>

    • No：22020
    • Release Date：2018/08/22 16:30

  • Installation method of AM-5 terminal ammeter

    The AM-5 output is 0 to 10 VDC voltage output.Therefore, you need to install a voltmeter.Also, since the inverter output current is displayed, the scale of t... More Details >>

    • No：22016
    • Release Date：2018/08/22 16:30

1-10 of Total 15

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