10720 error Siemens 840D, code wont run, how to check zero offsets?
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  1. #1
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    Default 10720 error Siemens 840D, code wont run, how to check zero offsets?

    Im trying to test a post processor for my DMG DMU103V with 840D control. I can run a few lines then any axis movement causes a 10720 error. This a software limit error somehow related to the zero offsets. The part WCS is in the middle of the table so theres no way its close to any hardware or software limit. Any suggestions on how to clear this type of error? Is it somehow related to some global Machine coordinate?
    Heres a pic of my workpiece limits. Seems kind of large. I didnt set these except maybe by accident. Seems like plenty of room.
    Attached Thumbnails Attached Thumbnails 10720.jpg   workarea.jpg  

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    Hey Mark,

    Are you able to share the GCode outputted by the CAM system? Are you able to execute similar GCode from MDI?

    Chazsani

    Sent via GCode Editor @ 9600 baud

  3. #3
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    Same error when trying to run in MDI. Heres the program. This post is supposed to be for a DMG DMC63V with 840D. Also error is in every axis ie: if I remove Z moves, error is in next axis, either Y or X, whatever is first.

    ; O1112
    ;DECKEL MAHO 840D
    T1
    M6
    ;TOOL 1
    ;OPERATION 1
    G54
    S4278 M3
    G90 G00
    Z0.8 M9
    G00 X0.75 Y0.75 Z0.4
    F4.3
    R2=0.4 R3=0.17 R10=0.4
    G81
    X0.75 Y0.75
    G80
    G00 Z0.8
    G00 M9
    G00 Z1. M5
    M1
    T2
    M6
    ;TOOL 2
    ;OPERATION 2
    G54
    S2674 M3
    G90 G00
    Z0.4 M9
    G00 X0.75 Y0.75
    G83 G98 X0.75 Y0.75 Z-1. Q630 R0.4 F10.1
    G80
    G00 Z0.8
    G00 M9
    G00 Z1. M5
    M1
    T4
    M6
    ;TOOL 4
    ;OPERATION 3
    G54
    S3500 M3
    G90 G00
    Z0.8 M9
    G00 X0.7367 Y-0.2874 Z0.4
    G01 Z-0.1 F28.0
    X0.738 Y-0.1874
    G02 X-0.1875 Y0.75 I0.012 J0.9374
    X0.75 Y1.6875 I0.9375 J0
    X0.9072 Y1.6742 I0 J-0.9375
    G01 X0.924 Y1.7728
    G00 Z0.4
    X0.7367 Y-0.2874
    Z0.3
    G01 Z-0.2
    X0.738 Y-0.1874
    G02 X-0.1875 Y0.75 I0.012 J0.9374
    X0.75 Y1.6875 I0.9375 J0
    X0.9072 Y1.6742 I0 J-0.9375
    G01 X0.924 Y1.7728
    G00 Z0.4
    X0.7367 Y-0.2874
    Z0.2
    G01 Z-0.3
    X0.738 Y-0.1874
    G02 X-0.1875 Y0.75 I0.012 J0.9374
    X0.75 Y1.6875 I0.9375 J0
    X0.9072 Y1.6742 I0 J-0.9375
    G01 X0.924 Y1.7728
    G00 Z0.4
    X0.7367 Y-0.2874
    Z0.1
    G01 Z-0.4
    X0.738 Y-0.1874
    G02 X-0.1875 Y0.75 I0.012 J0.9374
    X0.75 Y1.6875 I0.9375 J0
    X0.9072 Y1.6742 I0 J-0.9375
    G01 X0.924 Y1.7728
    G00 Z0.4
    X0.7367 Y-0.2874
    Z0
    G01 Z-0.5
    X0.738 Y-0.1874
    G02 X-0.1875 Y0.75 I0.012 J0.9374
    X0.75 Y1.6875 I0.9375 J0
    X0.9072 Y1.6742 I0 J-0.9375
    G01 X0.924 Y1.7728
    G00 Z0.4
    Z0.8
    M9
    G80
    G00 Z1. M5
    G90 X0 X0
    M30
    Last edited by markp; 12-07-2019 at 09:48 PM.

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    Wondering if its a problem with my base offsets, how do you reset these to zero?

  5. #5
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    Rube siemens mistake, I used base zero to set my WCS at some point in my first attempt at setting up tools and work offsets. I didnt realize that base zero is siemens speak for machine coordinate system. I see that every 840d seems to have a different way to reset this usually involving setting parameters, but on the DMG its just a matter to selecting "base" in the scratch window and setting all the axis to zero. I had the z axis off by about 18" so it gave Z errors when trying to run a program. I reset and now I can run programs fine.


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