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FAQ within [ FREQROL-E500 ]

11-20 of Total 85

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  • Output phase loss alarm

    If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>

    • No：22052
    • 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

  • 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

  • Comparison with E500

    The major differences are:- Capacity range- Availability of regenerative brake resistor- Operation of the operation panel- Number of I/O terminals More Details >>

    • No：22056
    • Release Date：2018/08/22 16:30

  • 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

  • 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

  • UL standard certification number

    The UL standard certification numbers (UL Listing Card No.) of the FR-E500, FR-A500, and FR-A200 are as follows: FR-A200 series??????E131592FR-A500 series???... More Details >>

    • No：21506
    • Release Date：2018/08/22 16:28

  • 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

  • Countermeasure against the instantaneous power failure with the inverter

    The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>

    • No：21368
    • Release Date：2018/08/22 16:27

  • Overcurrent

    Frequent occurrences of OL means that the inverter is overloaded. Since the inverter can go faulty if it is constantly overloaded, you need to take a counter... More Details >>

    • No：21430
    • Release Date：2018/08/22 16:27

11-20 of Total 85

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