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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > Activating touch probe on Fanuc in measure Cycle
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  1. #1
    Join Date
    Jun 2009
    Posts
    146

    Activating touch probe on Fanuc in measure Cycle

    I have Fanuc MB 16i controller. I do not know how to activate the sensor by the measuring cycle... When I push the button "measure" in "jog" mode, we automatically activated.
    But when I insert the measuring cycle in the program in "automatic" mode, does not activate the sensor. Is there a need for what M function before start the measurement cycle?

  2. #2
    Join Date
    Jul 2010
    Posts
    118
    Hi,
    there will be a m-code, which is decided by the oem.

  3. #3
    Join Date
    Jun 2009
    Posts
    146
    This is the problem... I do not know where to find a set of M-functions. Does not find any books, where it was written.

    This is a mashine "Deckel Maho DMC64V Linear" with "Fanuc 16i MB" controller. Where would I be able to get a set of m-funkcuj for this machine?

  4. #4
    Join Date
    Aug 2011
    Posts
    2517
    the M codes are customized by the manufacturer. you need to look in the machine manuals. not Fanuc manuals but the manuals provided by the machine maker.
    also check your parameters 6071 to 6089. a number set in those parameters is the M code that calls programs 9001 to 9029

  5. #5
    Join Date
    Jun 2009
    Posts
    146
    This is entered under the parameters:

    6071____SUB CALL M___0
    6072_________________0
    6073_________________0
    6074_________________0
    6075_________________0
    6076_________________0
    6077_________________0
    6078_________________0
    6079_________________0
    ______________________

    6080___MACRO CALL___19
    6081_________________0
    6082_________________0
    6083_________________0
    6084_________________0
    6085_________________0
    6086_________________0
    6087_________________0
    6088_________________0
    6089_________________0

    It is set only M-function for positioning the spindle (M19).

  6. #6
    Join Date
    Aug 2011
    Posts
    2517
    ok. so to find the M codes you need the machine manuals.....
    I seem to recall it may also be possible to find it from looking through the ladder and tracing the various functions, but that's not an easy task in itself.

  7. #7
    what probe do you have?
    look in the electrical cabinet for the probe interface. find the wire connected to the start input. follow that wire to the machines Y output. go to ladder and search for the specific Y output that you found. look across and see which R bits trigger the Y output on. One of those R bits will be the m-code. sometimes just highlighting the R bit will show a description and tell you what the m-code is for that R bit.

  8. #8
    Join Date
    Mar 2005
    Posts
    816
    I did that with my Leadwell. It takes time. You sort of have to already know what you're looking for and how to get to it. So many rungs and coils...

  9. #9
    what kind of probe is this? typically hardwired probes are always on.
    find the probe interface in the electrical cabinet. and follow which wire is connected to the start signal input on the interface. that wire should go to a Y output, either to an i/o module or terminal strip, etc. if the connection doesnt have the Y address and is labeled something else, look in the electrical manuals to find what Y ouptut that it is. Y12.4 or Y5.7 for format example. then go to your ladder on the control, and do a 'w-search' for that Y ouptut that you found. look to the left of the Y bit you found and find the associated R bits that are activating the Y output. sometimes the R bits are labeled as to which mcode number it is assigned. mcodes are essentially R bits in ladder.

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