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FAQ within [ FREQROL-E500 ]

11-20 of Total 84

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  • Output phase loss alarm

    If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>

    • No：22052
    • Release Date：2018/08/22 16:30

  • 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

  • Err display on operation panel

    The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other than the available range of parameter... More Details >>

    • No：22063
    • 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

  • Dealing with Err.

    The following causes are probable for persistent Err. display: 1. The terminals RES and SD are always short-circuited. 2. Operation panel contact or operatio... More Details >>

    • No：21412
    • Release Date：2018/08/22 16:27

  • 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

  • Output specification between FM and SD

    The output signal across FM and SD is pulse output. The output frequency and number of pulses of the output signal across FM and SD are proportional. However... More Details >>

    • No：21384
    • Release Date：2018/08/22 16:27

  • 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

  • Selection of high-duty brake resistor

    Select the high-duty brake resistor according to the inverter capacity. More Details >>

    • No：21953
    • Release Date：2018/08/22 16:30

  • 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

11-20 of Total 84

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