FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

OPERATION
B–62764EN/01
6. SAFETY FUNCTIONS
651
Example 2)
Start point
End point
The tool is stopped at point a according
to stored stroke limit 1 or 2.
Immediately upon movement commencing
from the start point, the tool is stopped to
enable a stroke limit check to be performed
before movement.
a
Inhibited area defined by
stored stroke limit 1 or 2
Inhibited area defined by
stored stroke limit 1 or 2
End point
When a stroke limit check prior to movement is performed, whether to
check the movement performed by a G31 (skip) block and G37 (automatic
tool length measurement) block can be determined using NPC (bit 2 of
parameter No. 1301).
If machine lock is applied at the start of movement, no stroke limit check
made before movement is performed.
When stored stroke limit 2 is disabled (G23 mode), no check is made to
determine whether the tool enters the inhibited area defined by stored
stroke limit 2.
When a program is restarted, an alarm is issued if the restart position is
within a inhibited area.
When the execution of a block is restarted after manual intervention
following a feed hold stop, no alarm is issued even if the end point
following a manual intervention is within a inhibited area.
If a block consisting of multiple operations (such as a canned cycle and
exponential interpolation) is executed, an alarm is issued at the start point
of any operation whose end point falls within a inhibited area.
Explanations
Limitations
D Machine lock
D G23
D Program restart
D Manual intervention
following a feed hold
stop
D A block consisting of
multiple operations

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