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FAQ within [ FREQROL-A700 ]

1-10 of Total 352

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  • Setting resolution switching

    Check the setting value of Pr.37 (Speed display). When the machine speed is set, Pr.811 is disabled. Change the setting to the rotation speed. More Details >>

    • No:21161
    • Release Date:2018/08/22 16:26
  • Vector control

    They are not output while the motor is coasting even under Vector control. More Details >>

    • No:21158
    • 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
  • 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
  • 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
  • Advanced magnetic flux vector control

    Check the parameters necessary for tuning again.Check if Pr.9 (Electronic thermal O/L relay) and Pr.81 (Number of motor poles) are set correctly. More Details >>

    • No:21754
    • Release Date:2018/08/22 16:29
  • Electronic bypass function

    For countermeasures against the open/close surge of the MC (magnetic contactor). Insert a diode not to apply 27 VDC or more to the open collector terminal of... More Details >>

    • No:21188
    • Release Date:2018/08/22 16:26
  • Overseas inverter models

    "□□□□□" in the model name of the FR-A700 series and FR-F700 series with the multiple ratings is as follows. "□□□□□" in the model name of the FR-A700 series a... More Details >>

    • No:20993
    • Release Date:2018/08/22 16:25
  • Real sensorless vector control

    The FR-A700 supports Real sensorless vector control.   More Details >>

    • No:21714
    • Release Date:2018/08/22 16:29
  • Electronic bypass function

    Turn ON and OFF the RES signal to enable the inverter-driven operation. More Details >>

    • No:21190
    • Release Date:2018/08/22 16:26

1-10 of Total 352

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