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FAQ within [ FREQROL-F500 ]

11-15 of Total 15

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  • 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

  • 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

  • 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

  • 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

  • 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

11-15 of Total 15

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