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FAQ within [ FREQROL-E500 ]

41-50 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

  • Parameter setting for FR-E500

    General-purpose magnetic flux vector control is effective at low speed under a heavy load.To shorten the acceleration time, use Pr.44 to set the second accel... More Details >>

    • No：22059
    • Release Date：2018/08/22 16:30

  • Speed 2 operation with potentiometer on operation panel

    Yes. Set parameters as below.For FR-E500Set Pr.79 =3, and Pr.146= 0.Multi-speed is prioritized.For FR-S500Set Pr.79 = 3, and Pr.53 = 1.Multi-speed is priorit... More Details >>

    • No：21963
    • Release Date：2018/08/22 16:30

  • Soft-PWM

    The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>

    • No：21549
    • Release Date：2018/08/22 16:28

  • Clutch connection of load

    Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load is heavy. To ensure that the rated cur... More Details >>

    • No：21955
    • Release Date：2018/08/22 16:30

  • Parameters not covered in manual are displayed

    Pr.168 indicates the inverter software version.Pr.169 indicates the inverter software subversion history. These two parameters are only used by the manufactu... More Details >>

    • No：21532
    • Release Date：2018/08/22 16:28

  • Parameter setting

    1. Pr.146 is not available. 　　Some catalogs and manuals cover this parameter, but it is an error. 　　The latest catalogs and manuals have been corrected to el... More Details >>

    • No：21529
    • Release Date：2018/08/22 16:28

  • Communication operation with FR-E500

    We have no sample program for RS485 communication. Since the communication method of the FR-SW0-SETUP uses a different protocol from 485 communication and st... More Details >>

    • No：21451
    • Release Date：2018/08/22 16:27

  • Analog signal resolution

    The internal processing speed is not published. The analog input specifications are as follows: FR-A500???1/4000FR-E500???1/1000MR-H???1/4000 More Details >>

    • No：21550
    • Release Date：2018/08/22 16:28

  • "Err" is displayed when STF signal turns ON

    Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>

    • No：21484
    • Release Date：2018/08/22 16:27

41-50 of Total 85

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