Start main contents

Factory Automation

FAQ

Factory Automation

FAQAbout Products

  • Font Size
  • S
  • M
  • L

Keyword Search

You can search two or more words separated by a space. 
 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

FAQ within [ FREQROL-E500 ]

21-30 of Total 85

prev 3 / 9page next

  • Inverter drive of 400 V class motor

    When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>

    • No：21926
    • 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

  • Speed does not exceed 46 Hz

    Since the inverter displayed "0.00" instead of an error when the inverter speed dropped to 0 Hz and stopped by holding the winding machine by hand, it is con... More Details >>

    • No：21492
    • 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

  • 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

  • RS485 communication

    The RS485 communication is explained in the FREQROL-E500 Instruction Manual. This Instruction Manual is published on the member's page of Mitsubishi Electric... More Details >>

    • No：21426
    • Release Date：2018/08/22 16:27

  • Surge voltage of 400 V motor

    When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>

    • No：21404
    • Release Date：2018/08/22 16:27

  • Current monitor display

    The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated for the voltage monitor. The output vo... More Details >>

    • No：21376
    • Release Date：2018/08/22 16:27

  • Operation panel extension cable

    Yes, you can use the 10BASE-T cable (straight) with the E500. More Details >>

    • No：22085
    • Release Date：2018/08/22 16:30

  • Permissible brake duty

    When consuming the regenerative power with the brake resistor, the brake transistor is triggered at a certain voltage to make the brake resistor use the rege... More Details >>

    • No：22074
    • Release Date：2018/08/22 16:30

21-30 of Total 85

Inquiries

Contact Us

page top