HEIDENHAIN ND 221 B v.2 - Manual (Page 28)

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Distance-to-Go Mode
Distance-to-Go Display Mode
Normally, the display shows the actual position of the en-
coder. However, it is often more helpful to display the re-
maining distance to an entered nominal position — especially
when you are using the display unit for machine tools and au-
tomation purposes. You can then position simply by traversing
to display value zero.
You can access the distance-to-go display by entering the
code number 246 582.
Display Meaning
DELTA OFF Distance-to-go display not active
DELTA ON Distance-to-go display active
“Traversing to zero” with distance-to-go display
ä Select datum point 2.
ä Enter the nominal position.
➤ Move the axis until the display value is zero.