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FAQ within [ FREQROL-V200 ]

31-40 of Total 52

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  • Can I change the carrier frequency?

    You can change it by changing the setting of Pr.72 (PWM frequency selection). Setting range of Pr.72: 0, 1, 2, 3, 4, 5, 6 (Initial setting is "6".) (The smal... More Details >>

    • No：21640
    • 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

  • Pre-excitation, zero-speed control, a...

    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

  • I want to drive other manufacturer's ...

    You can drive the motor with the FR-V240E-5.5K. However, the following conditions apply: - You need to perform auto tuning because the motor's circuit consta... More Details >>

    • No：21539
    • 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

  • Static torque

    When a vector inverter is used for position control, the servo lock works when it is stopped. When the start signal (STF or STR) is turned ON, the servo lock... More Details >>

    • No：21502
    • Release Date：2018/08/22 16:28

  • Speed fluctuation

    I use the dedicated motor SF-VR with the same capacity as the inverter. 1. Load fluctuationSpeed fluctuation ratio with the load fluctuation 0 to 100% is:Wit... More Details >>

    • No：21490
    • 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

  • 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

  • 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

31-40 of Total 52

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