HEIDENHAIN MANUALplus 620 Technical Manual page 805

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Machine datum

Positioning after

reference mark

January 2012

MP_refPosition defines the position of the machine datum relative to the

reference point of the scale. For encoders with distance-coded reference

marks, the position is relative to the scale reference point; for encoders with

EnDat interface, relative to the absolute encoder datum.

MP_refPosition

Position of the machine datum

Available from NCK software version: 597 110-01.

Numerical value

–100 000.000 000 000 to +100 000 [mm] or [°]

The axis can automatically be moved to a certain position after reference mark

traverse is completed. This behavior is activated with MP_moveAfterRef.

Define the following information for positioning after reference mark traverse:

The type of movement after finding the reference mark:

absolute, relative or positioning on the Hirth grid

In MP_moveAfterRefPos the end position.

In MP_moveAfterRefFeed, the feed rate.

6.15 Reference Marks