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FAQ within [ FREQROL-A700 ]

111-120 of Total 352

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  • Switching between external operation and NET operation

    You can write frequency setting by setting Pr.339 (Communication speed command source) to "0". More Details >>

    • No：21687
    • Release Date：2018/08/22 16:28

  • 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

  • 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

  • Full scale frequency

    You can change the full-scale value by changing Pr.55 (Frequency monitor reference). The initial setting is 60 Hz. More Details >>

    • No：21672
    • Release Date：2018/08/22 16:28

  • Parameter copy of FR-Configurator

    The parameter can be copied to only one inverter. More Details >>

    • No：21306
    • Release Date：2018/08/22 16:26

  • Auto tuning

    Normally, the auto tuning condition depends on the combination of the inverter and motor (including wiring to the motor), perform auto tuning each time. The ... More Details >>

    • No：21293
    • 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

  • Model selection

    Use the FR-A740. Basically, select the capacity according to the calculation result of "rated inverter output current ? rated motor current × 1.1". More Details >>

    • No：21244
    • Release Date：2018/08/22 16:26

  • Electronic bypass function

    With the automatic bypass sequence (Pr.139 ≠ 9999, Pr.159 = 9999), the motor operation is switched to commercial power supply operation when the output frequ... More Details >>

    • No：21189
    • Release Date：2018/08/22 16:26

  • Parameter setting

    Change Pr.79 (Operation mode) to "3" (Combined operation mode) and short-circuit the external terminals STF and SD (or STR and SD for reverse rotation). More Details >>

    • No：21859
    • Release Date：2018/08/22 16:29

111-120 of Total 352

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