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FAQ within [ FREQROL-A700 ]

91-100 of Total 351

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  • Frequency setting

    Normally, any of the PU, EXT, or NET LED turns ON.Check if the parameter unit FR-PU04/FR-PU07 or operation panel FR-PA07 is externally connected to the PU co... More Details >>

    • No：21803
    • Release Date：2018/08/22 16:29

  • Frequency setting

    Set Pr.3 (Base frequency) and Pr.18 (High speed maximum frequency) to "340 Hz", Pr.19 (Base frequency voltage) to "200 V", Pr.125 (Terminal 2 frequency setti... More Details >>

    • No：21789
    • Release Date：2018/08/22 16:29

  • Frequency setting

    Adjust the terminal 2 bias with Pr.C2 and Pr.C3, and the terminal 2 gain with Pr.125 and Pr.C4. Set Pr.C2 (Terminal 2 frequency setting bias frequency) to 20... More Details >>

    • No：21685
    • Release Date：2018/08/22 16:28

  • Cooling fan

    Pr.244 (Cooling fan operation selection) controls turning ON/OFF of the cooling fan and is initially set to "1". When the inverter is powered ON, the cooling... More Details >>

    • No：21670
    • Release Date：2018/08/22 16:28

  • Brake unit

    The resistors cannot be used in combination other than described. Operations of brake units and inverters are not verified. When resistors are used in uncert... More Details >>

    • No：21328
    • Release Date：2018/08/22 16:27

  • Operation mode setting

    To enable the frequency setting with the setting dial and multi-speed setting, set Pr.79 to "3". Note that multi-speed setting is prioritized over setting us... More Details >>

    • No：21852
    • Release Date：2018/08/22 16:29

  • Multi-speed setting

    Priorities are: Low speed (RL) > Middle speed (RM) > High speed (RH).For example, if the low speed (RL) and middle speed (RM) signals are input simulta... More Details >>

    • No：21772
    • Release Date：2018/08/22 16:29

  • Connecting ammeter to output side

    Yes. Use a moving-iron type ammeter. However, if the carrier frequency exceeds 5 kHz, do not use that meter since an overcurrent losses produced in the inter... More Details >>

    • No：21681
    • Release Date：2018/08/22 16:28

  • 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

  • Frequency setting signal

    Check that the wiring of the terminal 4 and 5 are not reversed. More Details >>

    • No：21266
    • Release Date：2018/08/22 16:26

91-100 of Total 351

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