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FAQ within [ FREQROL-V200 ]

31-40 of Total 52

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  • 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
  • Driving 200 V motor by 400 V inverter

    A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can be rotated by a 400 V inverter, howeve... More Details >>

    • No:21446
    • Release Date:2018/08/22 16:27
  • 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
  • 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
  • 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
  • Reset selection

    The specifications of the FR-V200E series do not allow for choosing from "Reset input always enabled" and "Reset input enabled only when the protective funct... More Details >>

    • No:22031
    • Release Date:2018/08/22 16:30
  • Surge voltage of 400 V motor

    When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>

    • No:21404
    • 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
  • Speed fluctuation ratio

    1. Speed fluctuation ratio when using the FR-V200 + dedicated motor (with an encoder) The vector inverter FR-V200 detects speed by the encoder and speed fluc... More Details >>

    • No:21489
    • Release Date:2018/08/22 16:27
  • Energy saving effect of inverter operation

    Energy saving operation of the inverter is represented by comparison with commercial power supply operation.  For example, to control air volume of an air co... More Details >>

    • No:21622
    • Release Date:2018/08/22 16:28

31-40 of Total 52

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