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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > Fanuc 15M WCS doesnt apply and/or gets lost after jog
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  1. #1

    Question Fanuc 15M WCS doesnt apply and/or gets lost after jog

    So I've had 2 problems with the 15M machine and I think they both are related
    #1st being if you are at say G54 X0.0 Y0.0 and you go to jog or mpg and move say Y +6" .
    sometimes the readout will change to Y0.0 where ever its out instead of showing X0.0 Y6.0

    #2 issue that may be related is, sometimes when starting machine
    home x/ y /z > origin > memory > cycle start
    %
    O001
    G90
    G54
    G00 X0.0 Y0.0

    It wont move .. And obsolete will read out all 0000s like it never applied the G54

    Then if you home machine again The absolute will blink to the correct numbers
    Run the program again and it will move to the correct G54 home location

    any ideas ?
    www.wildhorsemfg.com machinist / gunsmith
    accumax with Fanuc 11M , Hitachi seiki 3NE with 6T

  2. #2

    Join Date
    Aug 2019
    Posts
    86

    Re: Fanuc 15M WCS doesnt apply and/or gets lost after jog

    Does your operators panel have a "ABS" or "Manual ABS" switch? It sounds like the manual absolute function is somehow triggering.

  3. #3

    Re: Fanuc 15M WCS doesnt apply and/or gets lost after jog

    There is neither of those on this control
    www.wildhorsemfg.com machinist / gunsmith
    accumax with Fanuc 11M , Hitachi seiki 3NE with 6T

  4. #4
    Member
    Join Date
    Mar 2008
    Posts
    122

    Re: Fanuc 15M WCS doesnt apply and/or gets lost after jog

    G90 = ABSolute Mode is where all moves are relative to the Part Program (WORK) Zero Position
    G91 = INCremental Mode is where all moves are relative to the last move and reset to Zero after each move.
    These Modes can be changed in MDI and by Parameter can be set so that at power-on or RESET; or End of Program;
    will initialize certain G-Codes as Defaults.

  5. #5
    Member
    Join Date
    Mar 2008
    Posts
    122

    Re: Fanuc 15M WCS doesnt apply and/or gets lost after jog

    G90 = ABSolute Mode is where all moves are relative to the Part Program (WORK) Zero Position
    G91 = INCremental Mode is where all moves are relative to the last move and reset to Zero after each move.
    These Modes can be changed in MDI and by Parameter can be set so that at power-on or RESET; or End of Program;
    will initialize certain G-Codes as Defaults.
    Also if you look at the DGN bits you can see if the slides are In-Position. If not In-Position the Control will not
    process any more block of information.

  6. #6

    Re: Fanuc 15M WCS doesnt apply and/or gets lost after jog

    thanks that kinda of makes sense but I don't think that's not the problem , even with a G90 > G54> G00 X0.0 Y0.0 it will wont always apply the offset or move to there .... but sometimes it will

    Not sure what you mean by
    Also if you look at the DGN bits you can see if the slides are In-Position
    www.wildhorsemfg.com machinist / gunsmith
    accumax with Fanuc 11M , Hitachi seiki 3NE with 6T

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