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FAQ within [ FREQROL-E500 ]

21-30 of Total 84

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  • Connection with personal computer

    Connection method for the A500 and E500 is shown in the figure below. The figure is given in an Excel file. Figure 1 More Details >>

    • No:21536
    • Release Date:2018/08/22 16:28
  • 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
  • "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
  • CC-Link

    Although you specify the FR-V200 and others as the inverter models, CC-Link is currently supported by the FR-A500 and FR-E500. The FR-V200E does not support ... More Details >>

    • No:21499
    • Release Date:2018/08/22 16:27
  • Items controllable via CC-Link

    1. Not all items can be controlled.   - Functions that cannot be controlled JOG, AU, CS, OH, X10, X11, X12, and X16 functions (Other functions can be control... More Details >>

    • No:21459
    • Release Date:2018/08/22 16:27
  • Noise from motor at low speed

    It is considered to be caused by inverter PWM control. It can be suppressed by raising the PWM carrier frequency (Pr.72), but the entire noise and leakage cu... More Details >>

    • No:21428
    • Release Date:2018/08/22 16:27
  • 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
  • Operation at external operation/stop

    It is recommended to turn OFF the start signals (STF and STR) when stopping the inverter.In this case, it is not probable that the motor rotates due to a cal... More Details >>

    • No:22102
    • Release Date:2018/08/22 16:31
  • Overcurrent

    Frequent occurrences of OL means that the inverter is overloaded. Since the inverter can go faulty if it is constantly overloaded, you need to take a counter... More Details >>

    • No:21430
    • Release Date:2018/08/22 16:27
  • Inverter general matters

    1. To perform emergency stop, it is recommended to have the motor coast and stop it using a mechanical brake.In this case, the output stop (MRS) signal is in... More Details >>

    • No:22103
    • Release Date:2018/08/22 16:31

21-30 of Total 84

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