
29.SAFETY FUNCTIONS NC FUNCTIONS B-63322EN/03
- 366 -
29.2 OVERTRAVEL FUNCTIONS
29.2.1 Overtravel
When the movable section has gone beyond the stroke end, a signal is
output, the axis decelerates to a stop, and overtravel alarm is displayed.
All directions on all axes has overtravel signals.
29.2.2 Stored Stroke Check 1
When the tool tries to exceed a stored stroke check, an alarm is
displayed and the tool is decelerated and stopped.
When the tool enters a forbidden area and an alarm is generated, the
tool can be moved in the reverse direction from which the tool came.
Parameters (Nos. 5220, 5221 or Nos. 5260, 5261) set boundary.
Outside the area of the set checks is a forbidden area. The machine tool
builder usually sets this area as the maximum stroke.
(X
1
, Y
1
, Z
1
, ...)
(X
2
, Y
2
, Z
2
, ...)
the forbidden area