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FAQ within [ FREQROL-A700 ]

91-100 of Total 351

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  • Start command

    Set Pr.338 (Communication command source) to "0" to give a start command from "NET". Set Pr.339 (Speed command source) to "1" to make a frequency setting fro... More Details >>

    • No：21285
    • Release Date：2018/08/22 16:26

  • Countermeasure against noises

    Yes. The carrier frequency can be decreased by the setting of Pr.72 (PWM frequency selection). More Details >>

    • No：21338
    • Release Date：2018/08/22 16:27

  • Frequency setting

    Set Pr.13 (Starting frequency) or Pr.2 (Lower limit) to "5 Hz".Also set Pr.10 (DC injection brake operation frequency) to "5 Hz".The inverter does not operat... More Details >>

    • No：21790
    • Release Date：2018/08/22 16:29

  • Network operation

    Yes. With the setting "66", you can choose NET operation when X66 is ON, and external operation when X66 is OFF. More Details >>

    • No：21675
    • Release Date：2018/08/22 16:28

  • Fault output terminal A, B, and C

    Set the rated motor current to Pr.9. It is the heat protection setting for the motor, and thus the inverter does not shutoff immediately at the specified cur... More Details >>

    • No：21324
    • 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

  • Connecting ammeter to output side

    Yes. Use a moving-iron type ammeter. However, if the carrier frequency exceeds 5 kHz, do not use that meter since an overcurrent losses produced in the inter... More Details >>

    • No：21681
    • Release Date：2018/08/22 16:28

  • Control terminal

    You also need to set Pr.79 (Operation mode) to "3". More Details >>

    • No：21844
    • Release Date：2018/08/22 16:29

  • Brake unit

    The resistors cannot be used in combination other than described. Operations of brake units and inverters are not verified. When resistors are used in uncert... More Details >>

    • No：21328
    • Release Date：2018/08/22 16:27

91-100 of Total 351

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