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IndustryArena Forum > MetalWorking Machines > Uncategorised MetalWorking Machines > Heidenhain TNC 310 "Ref mark X: incorrect spacing"
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  1. #1
    Join Date
    Jun 2010
    Posts
    4

    Heidenhain TNC 310 "Ref mark X: incorrect spacing"

    Hi
    I have Strojtos MCV with Heidenhain TNC 310 controller, now machine cannot find reference point and have alarm "Ref mark X: incorrect spacing"
    please help me to solve problem.
    Thank you very much.
    Attached Thumbnails Attached Thumbnails WP_000203.jpg  

  2. #2
    Join Date
    Nov 2006
    Posts
    925
    Probably the index pulse from the encoder is coming too close to the changeover from "inhibit reference" input.
    If possible try turning the encoder half a turn in any direction without turning the motor
    or
    move the reference cam 2 or 3mm.

  3. #3
    Join Date
    Dec 2011
    Posts
    99
    Distance-coded scales on the machine.
    Probably some of the reference signals are contaminated.
    Should be checked for signs of scales.

    Related parameters:

    MP20 Monitoring functions for the axes
    Format: %00xxxx
    Input: Bits 0 to 3 correspond to axes 1 to 4
    0: Monitoring not active
    1: Monitoring active
    MP20.0 Absolute position with distance-coded reference marks

    MP334.0-3 Number of signal periods between the reference marks of encoders with distance-coded reference marks
    Input: 1 to 65 535
    0: 1000 (standard setting)

    MP1350.0-3 Type of reference mark traverse
    Input: 0: Linear encoder with distance-coded reference marks (old routine)
    1: Position encoder with one reference mark
    2: Special type (length measurement with ROD)
    3: Linear encoder with distance-coded reference marks (new routine)
    4: Same as 3 except that two additional reference pulses are evaluated

  4. #4
    Join Date
    Jun 2010
    Posts
    4
    Thanks for your help,
    we will follow your instructions.

  5. #5
    Join Date
    Jun 2010
    Posts
    4
    Thank you very much
    I have fixed the problem.

  6. #6
    Join Date
    Jan 2012
    Posts
    0
    hii i need TNC 310 parameter list i lost my machine parameter and i have no any parameter description
    fevertopes

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