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FAQ within [ FREQROL-E500 ]

61-70 of Total 85

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  • Comparison with E500

    The major differences are:- Capacity range- Availability of regenerative brake resistor- Operation of the operation panel- Number of I/O terminals More Details >>

    • No：22056
    • 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

  • 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

  • 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

  • Current monitor display

    The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated for the voltage monitor. The output vo... More Details >>

    • No：21376
    • Release Date：2018/08/22 16:27

  • 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 command terminal switching

    It rotates in the forward direction while STF is ON.And then, when STR is turned ON and STF is turned OFF, the inverter decelerates down to 0 Hz within the s... More Details >>

    • No：22070
    • Release Date：2018/08/22 16:30

  • Relationship between frequency and output torque

    The output torque characteristics of the FREQROL-E500 series are shown in the figure below. Figure 1 More Details >>

    • No：22024
    • Release Date：2018/08/22 16:30

  • 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

  • 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

61-70 of Total 85

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