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FAQ within [ FREQROL-E500 ]

31-40 of Total 85

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  • 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

  • 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

  • Brake resistor

    Connecting the brake resistor allows for quick deceleration because the regenerative power is processed. (The brake torque increases.)Therefore, when an exte... More Details >>

    • No：22045
    • Release Date：2018/08/22 16:30

  • Notes when inverter capacity is larger than motor capacity

    When using one-rank-higher inverter, as you mention, you need to care about the setting of the electronic thermal O/L relay.Setting the electronic thermal O/... More Details >>

    • No：22040
    • Release Date：2018/08/22 16:30

  • Alarm output signal when using CC-Link

    The RX7 output signal is the same as the signals for NO, NC, and transfer contact output.You can change the contents of this output signal using Pr.192.Pr.19... More Details >>

    • No：22008
    • Release Date：2018/08/22 16:30

  • 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

  • Connecting operation panel to enclosure

    To connect the operation panel to the enclosure, use the parameter unit connection cable FR-CB201, FR-CB203, or FR-CB205. The maximum cable length is 5 m. No... More Details >>

    • No：21542
    • Release Date：2018/08/22 16:28

  • 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

  • Speed does not exceed 46 Hz

    Since the inverter displayed "0.00" instead of an error when the inverter speed dropped to 0 Hz and stopped by holding the winding machine by hand, it is con... More Details >>

    • No：21492
    • Release Date：2018/08/22 16:27

  • "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

31-40 of Total 85

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