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FAQ within [ FREQROL-V200 ]

1-10 of Total 51

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  • Amount of heat generated

    The following amount of heat is generated under the 100% load. (The same amount for both the 200 V and 400 V classes. The amount of heat generated by the bui... More Details >>

    • No：21568
    • Release Date：2018/08/22 16:28

  • Difference from general-purpose inverter

    While the inverter uses open-loop (V/F) control, it uses semi-closed loop vector control (constant current control). This enables output of stable torque esp... More Details >>

    • No：21659
    • Release Date：2018/08/22 16:28

  • Motor characteristics at low input voltage

    Since the dedicated motor is designed with the rated voltage of approximately 320 V, it can produce sufficient torque for the input voltage of 380 V. Therefo... More Details >>

    • No：21434
    • Release Date：2018/08/22 16:27

  • 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

  • Geared motor

    We do not offer a geared motor. More Details >>

    • No：21647
    • Release Date：2018/08/22 16:28

  • Encoder

    It is necessary for vector control operation. Use a dedicated motor or a motor with an encoder. If you use another manufacturer's motor, use an encoder capab... More Details >>

    • No：21650
    • Release Date：2018/08/22 16:28

  • Applicable motors

    In addition to the dedicated motor (SF-VR series), the SF-JR series motor with an encoder can be used. You can also use a standard motor by combining it with... More Details >>

    • No：21653
    • Release Date：2018/08/22 16:28

  • Rotations per minute vary

    It is considered that conditions including the power supply and noise change whether the parameter unit is connected or disconnected, influencing the analog ... More Details >>

    • No：21454
    • Release Date：2018/08/22 16:27

  • 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

  • Speed control range

    1:1500 when using a vector control dedicated motor. Continuous 100% torque operation and short-time 150% torque operation are possible even at 1 rpm. Continu... More Details >>

    • No：21662
    • Release Date：2018/08/22 16:28

1-10 of Total 51

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