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  • Servo system installation for eliminating power disturbances

    dhramvir

    Member

    Updated: Oct 26, 2024
    Views: 1.2K
    why electronics equipments like servo drive, encoders or safety relays are getting damage ,when power comes or gone,please make me know what will be solution for this problem.
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Replies

  • pinank

    Member • Jun 15, 2014

    can you please elaborate!
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  • rajesh mor

    Member • Jun 15, 2014

    i am say that , when power gone of our company and after sometime it return ,we will found some problem in the machine like as ac drive show hardware fault, encoder not properly working and any other problem related to electrical. but they will not fail in the running condition of the machine . power cut is not much more ,in 3 or 4 days only 1/2 hours power cut is there.so please send the effective solution of this problem shortly . thanks
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  • pinank

    Member • Jun 15, 2014

    Well, its highly unheard of motor drives and various other electrical devices to get affected by any occational power cut as most of them have on chip (soc) protection for this purpose. Maybe the ones used by you may not have it. Please share the datasheet of the drives and encorders you are using. It will be helpful to find any cause.
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  • lal

    Member • Jun 29, 2014

    Is there a chance that you are using incremental encoder?

    There are mainly two types of encoders, Absolute encoder and Incremental encoder. Among these two, an absolute encoder can remember its position even after a power failure. That is, it precisely outputs the position at which the shaft is right now when the power returns after a power failure during operation.

    But this is not true in the case of an incremental encoder. It cannot output the position of shaft when power returns after a failure during its operation. It needs to go to the home position to start functioning properly.
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