Mitsubishi Electric MELDAS C6 Programming Manual page 150

12. Tool Offset Functions
Interference check alarm
The interference check alarm occurs under the following conditions.
(1) When the interference check alarm function has been selected
(a) When all the vectors at the end block of its own block have been deleted.
When, as shown in the figure,
vectors 1 through 4 at the end
point of the N1 block have all
been deleted, program error
(P153) results prior to N1
execution.
(2) When the interference check avoidance function has been selected
(a) When there are valid vectors at the end point of the following block even when all the
vectors at the end point of its own block have been deleted.
(i) When, in the figure, the
N2 interference check is
conducted, the N2 end
point vectors are all
deleted but the N3 end
point vectors are
regarded as valid.
Program error (P153) now
occurs at the N1 end
point.
(ii) In a case such as that
shown in the figure, the
tool will move in the
reverse direction at N2.
Program error (P153)
occurs after N1 execution.
12.3 Tool radius compensation
N1
N2
N3
Alarm stop
N1
142
1
2 3
4
N4
4
3
2
1
N1
1 2 3 4
N4
N3
N2
N3
N2