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FAQ within [ FREQROL-E500 ]

21-30 of Total 85

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  • External thermal overheat

    Take the following countermeasure:1. If the thermal trips in low-speed operation, trips can be avoided, depending on the external thermal relay operation cha... More Details >>

    • No：21954
    • Release Date：2018/08/22 16:30

  • "Err" is displayed when STF signal turns ON

    Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>

    • No：21484
    • Release Date：2018/08/22 16:27

  • 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

  • Instantaneous power failure of facilities

    1. If the start signal is present when the power and communication restore, the inverter starts operation. 2. Similarly to the above, if the start signal is ... More Details >>

    • No：22093
    • Release Date：2018/08/22 16:30

  • 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

  • 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

  • FR-E520 operation mode (Pr.79) selection

    The FR-E500 manufactured before May 1998 behaved as you mentioned, and the potentiometer becomes unavailable once you set the frequency on the operation pane... More Details >>

    • No：21525
    • Release Date：2018/08/22 16:28

  • Frequency setting

    Ensure that the inverter is in the PU operation mode and stopped, change the following parameters: 1. Read Pr.923 (Built-in frequency setting potentiometer g... More Details >>

    • No：21416
    • Release Date：2018/08/22 16:27

  • Control circuit power supply

    If the MC on the input side is shut off using the fault output of the FR-E500, the inverter's fault records are left in the faults history. More Details >>

    • No：22096
    • Release Date：2018/08/22 16:30

  • Installation dimensions

    Refer to the outline dimension. More Details >>

    • No：21513
    • Release Date：2018/08/22 16:28

21-30 of Total 85

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