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FAQ within [ FREQROL-A700 ]

51-60 of Total 352

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  • Vector control

    "E.OSD" occurs when the rotation speed is not decreased for one second despite the start command (STF, STR) is turned OFF. More Details >>

    • No：21159
    • Release Date：2018/08/22 16:26

  • Electronic bypass function

    With the automatic bypass sequence (Pr.139 ≠ 9999, Pr.159 = 9999), the motor operation is switched to commercial power supply operation when the output frequ... More Details >>

    • No：21189
    • Release Date：2018/08/22 16:26

  • FR-A5AY

    The FR-A5AY cannot be used in the FR-A700 (F700(P)). It cannot be installed due to the difference of the connector shape. More Details >>

    • No：21260
    • Release Date：2018/08/22 16:26

  • Real sensorless vector control

    For tuning of a single motor with no load, set Pr.96 to "101". When a load is connected, set Pr.96 to "1" (without motor rotation). Since Real sensorless vec... More Details >>

    • No：21325
    • Release Date：2018/08/22 16:27

  • FR-A701

    It is protected not by observing the temperature directly, but by estimating it from the current value, output frequency, and carrier frequency. More Details >>

    • No：20871
    • Release Date：2018/08/22 16:24

  • Switching between PU and NET operation modes

    Set Pr.340 (Communication startup mode selection) to "10".The operation mode can be switched between PU and NET by assigning X65 (PU-NET operation switching)... More Details >>

    • No：21878
    • Release Date：2018/08/22 16:29

  • Sine wave filter

    The sine wave filter can be applied only under V/F control. When Pr.72 PWM frequency selection is set to 25, V/F control is set automatically. The applicable... More Details >>

    • No：21068
    • Release Date：2018/08/22 16:25

  • Vector control

    Install the resistor between the terminals PC and OH. More Details >>

    • No：21160
    • Release Date：2018/08/22 16:26

  • Auto tuning

    Set "33" or "34". More Details >>

    • No：21167
    • Release Date：2018/08/22 16:26

  • Automatic restart after instantaneous power failure

    The inverter restart operation is disabled at turn-OFF of the CS signal while a value other than "9999" (with restart) is set in Pr.57. The terminals CS and ... More Details >>

    • No：21255
    • Release Date：2018/08/22 16:26

51-60 of Total 352

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