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FAQ within [ FREQROL-E500 ]

1-10 of Total 85

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  • Error E.LF

    Measure the megger values on the inverter's output side.If there is no problem:If the motor capacity is extremely smaller than the inverter capacity (as a gu... More Details >>

    • No：21933
    • Release Date：2018/08/22 16:30

  • Deceleration overvoltage (E.OV3)

    While the FREQROL-Z200 series and A500 series have a brake resistor built in the capacity up to 7.5K, the FREQROL-E500 series does not have a built-in brake ... More Details >>

    • No：21993
    • 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

  • 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

  • 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

  • Err display on operation panel

    The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other than the available range of parameter... More Details >>

    • No：22063
    • Release Date：2018/08/22 16:30

  • Output side earth (ground) fault overcurrent protection

    1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>

    • No：21394
    • 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

  • 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

  • What happens if reset occurs during operation?

    This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>

    • No：21477
    • Release Date：2018/08/22 16:27

1-10 of Total 85

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