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FAQ within [ FREQROL-E500 ]

71-80 of Total 85

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  • Driving 200 V motor by 400 V inverter

    Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro surge". Usually this surge voltage i... More Details >>

    • No：21403
    • Release Date：2018/08/22 16:27

  • Instantaneous power failure of facilities

    1. If the start signal is present when the power and communication restore, the inverter starts operation. 2. Similarly to the above, if the start signal is ... More Details >>

    • No：22093
    • Release Date：2018/08/22 16:30

  • Alarm output signal when using CC-Link

    The RX7 output signal is the same as the signals for NO, NC, and transfer contact output.You can change the contents of this output signal using Pr.192.Pr.19... More Details >>

    • No：22008
    • Release Date：2018/08/22 16:30

  • Indication of FR-E520

    "PS" appears when the STOP key on the operation panel is pressed during external operation. It is considered that someone pressed the key. Dismiss "PS" in on... More Details >>

    • No：21478
    • Release Date：2018/08/22 16:27

  • I want to shorten deceleration time of small capacity motor

    You can use an inverter with a larger capacity than the motor. You cannot connect a brake resistor to the FR-E520-0.1K and 0.2K. With the FR-E520-0.1K or 0.2... More Details >>

    • No：21463
    • Release Date：2018/08/22 16:27

  • Indication of potentiometer on operation panel

    The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz with the potentiometer turned to the m... More Details >>

    • No：21427
    • Release Date：2018/08/22 16:27

  • Inverter input power supply

    Square wave input is not recommended since it can cause failures (for example, damage the diode bridge). More Details >>

    • No：22106
    • Release Date：2018/08/22 16:31

  • Operation command terminal switching

    It rotates in the forward direction while STF is ON.And then, when STR is turned ON and STF is turned OFF, the inverter decelerates down to 0 Hz within the s... More Details >>

    • No：22070
    • Release Date：2018/08/22 16:30

  • Control method

    1. Can I set the frequency by the external potentiometer when multi-speed signal is 0 (nothing is input)?-> It is possible by using the external operation... More Details >>

    • No：21990
    • Release Date：2018/08/22 16:30

  • Parameter unit display

    Setting Pr.37 to the machine speed at 60 Hz switches the frequency monitor to the rotations per minute monitor.Note that the speed setting must be input in a... More Details >>

    • No：22072
    • Release Date：2018/08/22 16:30

71-80 of Total 85

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