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 ]

11-20 of Total 85

prev 2 / 9page next

  • Speed control failure due to 20 mA from DC 4

    It seems that there is a read error for 20 mA DC inside the inverter.Setting Pr.905 to 50 Hz while 20 mA DC is actually flowing between the terminals 4 and 5... More Details >>

    • No：21998
    • Release Date：2018/08/22 16:30

  • 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

  • Parameter No.79 (Operation mode)

    You cannot cancel multi-speed command input. When the multi-speed command is input from the terminal, you cannot use the potentiometer. Use the inverter so t... More Details >>

    • No：21467
    • Release Date：2018/08/22 16:27

  • Speed 15 operation

    Using the inverter's input terminal, you can use up to 15 speeds.This function is supported by the current 500 series products (A500, F500, E500, and S500).U... More Details >>

    • No：21947
    • Release Date：2018/08/22 16:30

  • UL standard certification number

    The UL standard certification numbers (UL Listing Card No.) of the FR-E500, FR-A500, and FR-A200 are as follows: FR-A200 series??????E131592FR-A500 series???... More Details >>

    • No：21506
    • Release Date：2018/08/22 16:28

  • 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

  • Difference between SU (up to frequency) and FU (frequency detection)

    - SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>

    • No：21436
    • 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

  • 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

  • Detection of the motor load

    An inverter is used to rotate a motor but it cannot be used to detect whether the belt is broken or not. However, the magnitude of the load will change when ... More Details >>

    • No：21387
    • Release Date：2018/08/22 16:27

11-20 of Total 85

Inquiries

Contact Us

page top