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FAQ within [ FREQROL-E700 ]

171-180 of Total 393

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  • Running frequency

    There are two methods to reduce the running frequency variation. 1. Increase the setting value of Pr.74 (Input filter time constant) to reduce the variation.... More Details >>

    • No：21296
    • Release Date：2018/08/22 16:26

  • Proportional band of multiple inverters

    By importing the operation frequency from the AM terminal (analog output) of the first inverter to the FR-FH (ratio setter), the operation command which is p... More Details >>

    • No：21250
    • Release Date：2018/08/22 16:26

  • Frequency

    It seems that calibration for 20 mA current signal input is not correct.Use the calibration parameters "126" and "C7" to calibrate the inverter.Perform calib... More Details >>

    • No：21785
    • Release Date：2018/08/22 16:29

  • Frequency setting

    You cannot calibrate the frequency around the middle of the current input range.The inverter determines the top and bottom points in the bias/gain adjustment... More Details >>

    • No：21736
    • Release Date：2018/08/22 16:29

  • UL standard

    Both 200 V class and 400 V class are suitable for use in a circuit capable of delivering not more than 100 kA rms symmetrical amperes, 264 V maximum (528 V f... More Details >>

    • No：21358
    • Release Date：2018/08/22 16:27

  • Parameter

    Press the "MODE" key on the operation panel several times to display "P.0" and parameter setting screen. Then turn the setting dial to display "C..." screen ... More Details >>

    • No：21336
    • Release Date：2018/08/22 16:27

  • Brake resistor

    Connect the brake resistor to the terminal P and terminal PR. (For the FR-A700-7.5K or lower, remove the jumper of the terminals PR and PX.) Do not remove th... More Details >>

    • No：21333
    • Release Date：2018/08/22 16:27

  • Terminal indicator lamp

    The inverter outputs the peak voltage 300 to 400 VDC of the bus voltage not in a pure sine wave but a in a PWM waveform. Check if the lamp to be connected ca... More Details >>

    • No：21323
    • Release Date：2018/08/22 16:27

  • Frequency setting signal

    Set C5 (Pr.904) (Terminal 4 frequency setting bias frequency) to 0 Hz and Pr.126 (Terminal 4 frequency setting gain frequency) to 50 Hz. More Details >>

    • No：21268
    • Release Date：2018/08/22 16:26

  • NET mode

    After setting Pr.340 to "10", you need to power OFF then ON the inverter to make the new setting enabled because you are setting the operation upon power-on.... More Details >>

    • No：21759
    • Release Date：2018/08/22 16:29

171-180 of Total 393

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