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FAQ within [ FREQROL-A800 ]

111-120 of Total 144

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  • Setting resolution

    V/F control/Advanced magnetic flux vector control/Sensorless vector control: 0.3 rpm increments, Vector control with encoder: 0.1 rpm increments More Details >>

    • No：20960
    • Release Date：2018/08/22 16:25

  • Storage area

    The storage areas for the sequence programs and for the parameters of the inverter are different. More Details >>

    • No：20958
    • Release Date：2018/08/22 16:25

  • Anti-sway control

    No, it does not affect the control. When a swinging frequency is set in Pr.1074, the setting values in Pr.1077 to Pr.1079 are not referred. When Pr.1074 is s... More Details >>

    • No：20952
    • Release Date：2018/08/22 16:25

  • FR-A800-R2R

    A tension sensor such as a dancer roll is required for speed control. Because an actual line speed input is required for the winding diameter calculation by ... More Details >>

    • No：20926
    • Release Date：2018/08/22 16:25

  • FR-A800-R2R

    The gain of the tension PI gain automatic tuning is the one of the dancer feedback speed control. The gain adjusted by speed control P gain compensation is t... More Details >>

    • No：20925
    • Release Date：2018/08/22 16:25

  • FR-A800-R2R

    The calculation is performed by two modes. One method calculates the current winding diameter automatically by moving the dancer roll from lower limit positi... More Details >>

    • No：20924
    • Release Date：2018/08/22 16:25

  • FR-A800-2

    The output turns OFF (0 mA) during the inverter reset. More Details >>

    • No：20921
    • Release Date：2018/08/22 16:25

  • Monitoring function of the FR-A800-R2R

    No, they cannot be monitored when Pr.363 is other than "5". They are enabled only when Pr.363 = 5. More Details >>

    • No：20915
    • Release Date：2018/08/22 16:25

  • Monitoring function of the FR-A800-R2R

    Line speed command and Line speed pulse monitor can be monitored while the operation is stopping. Actual line speed monitor becomes "0" while the operation i... More Details >>

    • No：20914
    • Release Date：2018/08/22 16:25

  • Residual voltage at the output shutoff

    The rotation speed has almost no effect. The residual voltage increases when the torque boost is increased, but no adjustment is required. More Details >>

    • No：20906
    • Release Date：2018/08/22 16:25

111-120 of Total 144

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