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FAQ within [ FREQROL-A700 ]

111-120 of Total 351

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  • Driving a single-phase motor

    No, it cannot. More Details >>

    • No:21253
    • Release Date:2018/08/22 16:26
  • Terminal indicator lamp

    The inverter outputs the peak voltage 300 to 400 VDC of the bus voltage not in a pure sine wave but a in a PWM waveform. Check if the lamp to be connected ca... More Details >>

    • No:21323
    • Release Date:2018/08/22 16:27
  • Frequency setting signal

    Calibrate C6 (Pr.904) (Terminal 4 frequency setting bias frequency) and C7 (Pr.905) (Terminal 4 frequency setting gain frequency). If the situation does not ... More Details >>

    • No:21265
    • Release Date:2018/08/22 16:26
  • Frequency command

    Since the initial value of Pr.13 (Starting frequency) is 0.5 Hz, the operation does not start unless 0.5 Hz or higher frequency is set. When 0.49 Hz is set i... More Details >>

    • No:21251
    • Release Date:2018/08/22 16:26
  • Proportional band of multiple inverters

    By importing the operation frequency from the AM terminal (analog output) of the first inverter to the FR-FH (ratio setter), the operation command which is p... More Details >>

    • No:21250
    • Release Date:2018/08/22 16:26
  • Cooling fan

    Pr.244 (Cooling fan operation selection) controls turning ON/OFF of the cooling fan and is initially set to "1". When the inverter is powered ON, the cooling... More Details >>

    • No:21670
    • Release Date:2018/08/22 16:28
  • FR-A7NC E kit

    Not available. Differences between the parts supplied with the FR-A7NC and FR-A7NC E kit will result in improper installation. Use the FR-A7NC. Use the FR-A7NC. More Details >>

    • No:21258
    • Release Date:2018/08/22 16:26
  • FR-A800

    Yes. More Details >>

    • No:20959
    • Release Date:2018/08/22 16:25
  • Frequency setting

    It is not stored in a parameter but memorized as the frequency setting value after acceleration by the acceleration signal.You can also choose whether or not... More Details >>

    • No:21733
    • Release Date:2018/08/22 16:29
  • Electromagnetic contactor

    It is not recommended to start and stop the inverter with the electromagnetic contactor (MC). This will accelerate the deterioration (due to the inrush curre... More Details >>

    • No:21322
    • Release Date:2018/08/22 16:27

111-120 of Total 351

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