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FAQ within [ FREQROL-E500 ]

61-70 of Total 85

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  • Notes on using single-phase 200 V

    With the single-phase 200 V input specifications, the input cable current increases. Therefore, choose larger power supply capacity and NF/MC than three-phas... More Details >>

    • No：21406
    • Release Date：2018/08/22 16:27

  • Parameters not covered in manual are displayed

    Pr.168 indicates the inverter software version.Pr.169 indicates the inverter software subversion history. These two parameters are only used by the manufactu... More Details >>

    • No：21532
    • Release Date：2018/08/22 16:28

  • Noise from motor at low speed

    It is considered to be caused by inverter PWM control. It can be suppressed by raising the PWM carrier frequency (Pr.72), but the entire noise and leakage cu... More Details >>

    • No：21428
    • 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

  • 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

  • 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

  • Frequency display deviation

    If you are using an external VR, influence by noise is probable.Setting Pr.74 (Input filter time constant) to a higher value stabilizes the frequency command... More Details >>

    • No：22061
    • Release Date：2018/08/22 16:30

  • Operation panel

    Be sure to use the FR-E5P to mount the operation panel.This is because the board is bare on the back of the operation panel and a dedicated connector is requ... More Details >>

    • No：22030
    • Release Date：2018/08/22 16:30

  • Parameter unit display

    Setting Pr.37 to the machine speed at 60 Hz switches the frequency monitor to the rotations per minute monitor.Note that the speed setting must be input in a... More Details >>

    • No：22072
    • Release Date：2018/08/22 16:30

  • Speed 2 operation with potentiometer on operation panel

    Yes. Set parameters as below.For FR-E500Set Pr.79 =3, and Pr.146= 0.Multi-speed is prioritized.For FR-S500Set Pr.79 = 3, and Pr.53 = 1.Multi-speed is priorit... More Details >>

    • No：21963
    • Release Date：2018/08/22 16:30

61-70 of Total 85

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