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Programming of Traversing Blocks
In N40, tracking is selected. When the rapid input is removed, the axes stop, observing the
tracking conditions (the axes must not move apart), i.e. the "deceleration at collision" of
the "weaker" axis (lower deceleration value) is taken into consideration as the maximally
admissible deceleration (in this case axis X).
Upon selection of the rapid input, the axes are accelerated with the acceleration values
(MD 27).
If the rapid input is removed for a short time only, the axes will be braked with the
"deceleration at collision" of the "weaker" axis, observing the tracking conditions. Then,
traversing will be continued with the acceleration values (MD 27).
As in N50, collision monitoring is deselected via G97, a removal of the rapid input will not
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stop the axes.
4 – 18
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Siemens AG 1997 All Rights Reserved
04.97
6ZB5 440-0VU02
WF 723 C (Programming Guide)
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