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FAQ within [ FREQROL-V200 ]

31-40 of Total 51

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  • Motor wiring length

    Up to 50 m. Be sure to connect the encoder cables in parallel and use the thicker cable gauge. You can extend this distance up to 100 m by using the long dis... More Details >>

    • No:21641
    • Release Date:2018/08/22 16:28
  • Automatic restart after instantaneous power failure

    The inverter has the automatic restart after instantaneous power failure function. By setting Pr.61 to other than "9999", the encoder detects the speed of th... More Details >>

    • No:21642
    • Release Date:2018/08/22 16:28
  • Inverter current characteristics

    In general, relationship between T (torque), K (constant), V (voltage), I (current), and F (frequency) is expressed as "T = K × (V/F) × I". Since (V/F) is co... More Details >>

    • No:21505
    • Release Date:2018/08/22 16:28
  • Pre-excitation, zero-speed control, and servo lock

    Pre-excitation is the process to control current while a motor is stopped so that motor torque can be generated immediately. There are two methods for this p... More Details >>

    • No:21562
    • Release Date:2018/08/22 16:28
  • Unwinding using vector inverter

    1. Torque control automatically adjust the speed so that the instructed torque value is maintained. This means that the speed is not controlled. (However, yo... More Details >>

    • No:21420
    • Release Date:2018/08/22 16:27
  • Meaning of OL display (2)

    Yes. "OL" is displayed under speed control whenever the torque limit is reached without regard to the rated torque. More Details >>

    • No:21448
    • Release Date:2018/08/22 16:27
  • Connecting potentiometer

    Connect the external potentiometer to the terminals 10, 2, and 5 of the first inverter (be sure to connect the variable terminal to the terminal 2). Connect ... More Details >>

    • No:21462
    • Release Date:2018/08/22 16:27
  • Operation under torque limit in the speed control mode

    Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%, since the torque does not exceed th... More Details >>

    • No:21483
    • Release Date:2018/08/22 16:27
  • Plug-in options

    You cannot reuse the plug-in option for the FREQROL-A200 and A100 series. You must use one of the following three plug-in options dedicated to the FREQROL-V2... More Details >>

    • No:21656
    • Release Date:2018/08/22 16:28
  • Angular velocity change control

    The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore, to implement required control, it i... More Details >>

    • No:22086
    • Release Date:2018/08/22 16:30

31-40 of Total 51

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