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FAQ within [ FREQROL-V200 ]

41-50 of Total 52

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  • 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

  • Encoder signal output

    It can be output by attaching the plug-in option FR-VPA, FR-VPB, or FR-VPC. Note that the output format depends on the option type. FR-VPA: Open collector ou... More Details >>

    • No：21643
    • Release Date：2018/08/22 16:28

  • 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

  • Regeneration unit

    You can reuse the brake units used with the FR-A series, including the FR-RC power regeneration converter, FR-BU, and BU brake unit. You can also use the hig... More Details >>

    • No：21658
    • Release Date：2018/08/22 16:28

  • Torque control accuracy

    Since the torque control accuracy is influenced by change of motor temperature:- Standard product???±5% (at 75 deg C) ±0.5%/deg C of rated torque- Combinatio... More Details >>

    • No：21645
    • Release Date：2018/08/22 16:28

  • Coasting to stop method

    Use Pr.17 (Input terminal assignment) to assign MRS to the terminals DI1, DI2, and DI3. More Details >>

    • No：21937
    • Release Date：2018/08/22 16:30

  • Use of general-purpose servo motor

    You can operate it by adjusting the motor constant by the auto tuning function. (Note that the same characteristics as operated by the servo amplifier MR-VA ... More Details >>

    • No：21652
    • 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

  • Encoder cable length restriction

    If the cable length is longer than 100 m, speed may not be read correctly due to voltage drop and waveform deformation of the encoder signal. Therefore, use ... More Details >>

    • No：21932
    • Release Date：2018/08/22 16:30

41-50 of Total 52

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