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FAQ within [ FREQROL-A100 ]

11-20 of Total 21

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  • Inverter drive of 400 V class motor

    When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>

    • No:21926
    • Release Date:2018/08/22 16:30
  • Power factor improving effect by option

    Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>

    • No:22020
    • 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
  • Speed control failure due to 20 mA from DC 4

    It seems that there is a read error for 20 mA DC inside the inverter.Setting Pr.905 to 50 Hz while 20 mA DC is actually flowing between the terminals 4 and 5... More Details >>

    • No:21998
    • Release Date:2018/08/22 16:30
  • Terminal AM calibration

    1. By setting Pr.158 (Terminal AM function selection) to "21" (Reference voltage output), 10 V is output from the terminal AM.2. Read Pr.901 in the PU operat... More Details >>

    • No:21936
    • Release Date:2018/08/22 16:30
  • Comparison of noise between FR-A100 and FR-A100E

    The setting ranges of the carrier frequency are:- FR-A100: 2 kHz to 14.5 kHz- FR-A100EXCELLENT: 0.7 kHz to 14.5 kHzThe range of the FR-A100EXCELLENT is exten... More Details >>

    • No:21623
    • Release Date:2018/08/22 16:28
  • Compatibility of the function with FR-A100

    Yes. Compared with the FR-A100:- The PI control function is added.- Fast-response current limit operation is improved.- Cumulative energy monitor is added. More Details >>

    • No:21628
    • Release Date:2018/08/22 16:28
  • Difference from FREQROL-A200 (EXCELLENT) series

    The following features are added to the FREQROL-A200 (EXCELLENT): - PI control without an option- Inverter electronic bypass sequenceThe following functions ... More Details >>

    • No:21635
    • Release Date:2018/08/22 16:28
  • A100 inverter loss

    The inverter efficiency (power factor) for the inverter alone is approximately 75 to 80%. However, by installing the power factor improving DC reactor to the... More Details >>

    • No:21512
    • Release Date:2018/08/22 16:28
  • Compressor

    You can use an inverter for fan and pump with the compressor, but it is not recommended for an application that the motor load rapidly increases. More Details >>

    • No:21443
    • Release Date:2018/08/22 16:27

11-20 of Total 21

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