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FAQ within [ FREQROL-E500 ]

31-40 of Total 85

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  • External wiring for CC-Link operation

    For the combination of the FR-A500 + FR-A5NC, Pr.338 and Pr.339 are used to specify whether the external signals or CC-Link commands are used to set the runn... More Details >>

    • No：21973
    • 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

  • 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

  • Parameter setting

    1. Pr.146 is not available. 　　Some catalogs and manuals cover this parameter, but it is an error. 　　The latest catalogs and manuals have been corrected to el... More Details >>

    • No：21529
    • 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

  • Communication operation with FR-E500

    We have no sample program for RS485 communication. Since the communication method of the FR-SW0-SETUP uses a different protocol from 485 communication and st... More Details >>

    • No：21451
    • 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

  • Indication of potentiometer on operation panel

    The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz with the potentiometer turned to the m... More Details >>

    • No：21427
    • Release Date：2018/08/22 16:27

  • 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

  • Inverter input power supply

    Square wave input is not recommended since it can cause failures (for example, damage the diode bridge). More Details >>

    • No：22106
    • Release Date：2018/08/22 16:31

31-40 of Total 85

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