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FAQ within [ FREQROL-E500 ]

21-30 of Total 85

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  • 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

  • Inverter general matters

    1. To perform emergency stop, it is recommended to have the motor coast and stop it using a mechanical brake.In this case, the output stop (MRS) signal is in... More Details >>

    • No：22103
    • Release Date：2018/08/22 16:31

  • 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

  • Built-in potentiometer and current input switching control

    For setting the frequency, you cannot switch between the operation panel potentiometer and current input from an external source.To switch between the extern... More Details >>

    • No：21985
    • Release Date：2018/08/22 16:30

  • 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 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

  • External wiring for CC-Link operation

    For the combination of the FR-A500 + FR-A5NC, Pr.338 and Pr.339 are used to specify whether the external signals or CC-Link commands are used to set the runn... More Details >>

    • No：21973
    • Release Date：2018/08/22 16:30

  • 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

  • Soft-PWM

    The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>

    • No：21549
    • Release Date：2018/08/22 16:28

  • Amount of heat generated

    The amount of heat generated by the FR-E500 series inverter is registered in the Mitsubishi Electric FA Global Website Member's page. Refer to the technical ... More Details >>

    • No：21382
    • Release Date：2018/08/22 16:27

21-30 of Total 85

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