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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > Need help with setting the soft limits on a 21it Fanuc control...
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  1. #1
    Join Date
    Aug 2009
    Posts
    12

    Need help with setting the soft limits on a 21it Fanuc control...

    I have an Omni Turn GT 27 Lathe that has recently had both the power and servo modules repaired. Upon startup, it seems as though everything is working as aspected. I reset the home positon as required whenever the servos are disconnected, but I am now getting a "#90--Reference Return Incomplete" alarm. Once the #90 alarm occurred, I attempted to reset the soft limits of the machine (parameter 1320 and 1321), but I believe I may have made a mistake somewhere because I keep getting an axis overtravel alarm... Does anyone have any suggestions?

  2. #2
    Join Date
    Feb 2009
    Posts
    6028
    Boot up holding the CAN and P button.

  3. #3
    Join Date
    Aug 2009
    Posts
    12
    After some tinkering, I figured out that the input values must be without decimals and at 4 digit values... Crisis Avoided! Now I have to run a full machine check...

  4. #4
    Join Date
    Feb 2006
    Posts
    1792
    Parameter values are specified in steps of least input increment, without decimal. Interpretation depends on G20/G21 mode.

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