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FAQ within [ FREQROL-A700 ]

1-10 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
  • Auto tuning

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

    • No:21167
    • Release Date:2018/08/22 16:26
  • Input phase loss protection

    The initial value of Pr.872 is set to "1" (Valid) because the A701 have regeneration unit built-in and an overvoltage may occur when the regenerative operati... More Details >>

    • No:20945
    • Release Date:2018/08/22 16:25
  • FR-A800

    Yes. More Details >>

    • No:20959
    • Release Date:2018/08/22 16:25
  • FR-A700

    The leakage current is 1 mA because the circuit constant in the EMC filter of A720-0.4K and 0.75K are different. More Details >>

    • No:21120
    • Release Date:2018/08/22 16:26
  • Fast-response current limit

    It is not activated because the function itself is disabled. More Details >>

    • No:21137
    • Release Date:2018/08/22 16:26
  • Orientation control

    The following reasons are possible. - The signal of Z phase does not exist. (It is not returned normally.) - The setting of Pr.359 encoder rotation direction... More Details >>

    • No:21162
    • Release Date:2018/08/22 16:26
  • Brake sequence function

    It can be performed by setting Pr.292 (Automatic acceleration/deceleration) to "8" and Pr.279 (Brake opening current) to 0%. More Details >>

    • No:21186
    • Release Date:2018/08/22 16:26
  • Brake resistor

    When the built-in brake resistor is used, the regenerative brake duty is as follows:200 V 0.4K to 3.7K: 3%, 5.5K to 7.5K: 2%400 V 0.4K to 7.5K: 2 % The capac... More Details >>

    • No:21273
    • Release Date:2018/08/22 16:26
  • FR-A701

    The AC reactor (FR-HAL) is built in the FR-A701. (The circuit type in the Harmonic Suppression Guidelines is three-phase bridge (capacitor smoothed), with re... More Details >>

    • No:21011
    • Release Date:2018/08/22 16:25

1-10 of Total 352

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