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FAQ within [ FREQROL-E500 ]

41-50 of Total 85

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  • Difference between SU (up to frequency) and FU (frequency detection)

    - SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>

    • No：21436
    • Release Date：2018/08/22 16:27

  • Endurance

    The estimated lives of the parts of the FREQROL-E500 are as follows: Cooling fan at surrounding air temperature of 35 deg C???30,000 hrsPower supply smoothin... More Details >>

    • No：22071
    • 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

  • 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

  • RS485 communication

    The RS485 communication is explained in the FREQROL-E500 Instruction Manual. This Instruction Manual is published on the member's page of Mitsubishi Electric... More Details >>

    • No：21426
    • 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

  • Clutch connection of load

    Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load is heavy. To ensure that the rated cur... More Details >>

    • No：21955
    • 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

  • Operation frequency

    I cannot answer clearly because the load is unknown. The operation cycle of operating for 10 seconds and stopping for 10 seconds is OK, but it is questionabl... More Details >>

    • No：21474
    • Release Date：2018/08/22 16:27

  • Driving 200 V motor by 400 V inverter

    Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro surge". Usually this surge voltage i... More Details >>

    • No：21403
    • Release Date：2018/08/22 16:27

41-50 of Total 85

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