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FAQ within [ FREQROL-E500 ]

11-20 of Total 85

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  • Frequency setting

    Ensure that the inverter is in the PU operation mode and stopped, change the following parameters: 1. Read Pr.923 (Built-in frequency setting potentiometer g... More Details >>

    • No:21416
    • 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
  • Operation frequency

    I cannot answer clearly because the load is unknown. The operation cycle of operating for 10 seconds and stopping for 10 seconds is OK, but it is questionabl... More Details >>

    • No:21474
    • Release Date:2018/08/22 16:27
  • 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
  • "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
  • Do you have a sample program for 485 communication?

    We do not offer a sample program for the programmable controller. Refer to the Instruction Manual and create the program by yourself. More Details >>

    • No:21522
    • Release Date:2018/08/22 16:28
  • Regenerative brake resistor

    The brake resistor is not built in the inverter. Purchase the optional resistor and connect it to the inverter.Inverter only (without resistor)Continuous reg... More Details >>

    • No:21989
    • Release Date:2018/08/22 16:30
  • Usage

    1. Changing frequency to 0 Hz(1) Set Pr.8 (Deceleration time) to 0 second.If the load is large, the stall prevention function may work to lengthen decelerati... More Details >>

    • No:22019
    • Release Date:2018/08/22 16:30
  • Notes when inverter capacity is larger than motor capacity

    When using one-rank-higher inverter, as you mention, you need to care about the setting of the electronic thermal O/L relay.Setting the electronic thermal O/... More Details >>

    • No:22040
    • 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

11-20 of Total 85

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