Manual

Program Interrupt
Chapter 29
29-6
Type 1 Interrupts
If the InterruptProgram: Thenthe Control:
Does not generateaxis motion executes theinterrupt program and then
continues executingthe part programas
normal regardlessof the locationthat
the interrupt program was executed.
Generates axismotion returnsthe toolto theendpoint of the
next fully unexecutedblock and
continues executingthe part program
from thispoint.
Figure 29.1
Type 1 Interrupt
Programmed Path
Path of Interrupt
This block is not
executed unless there
are no motion commands
in the interrupt
Return path
M99
M99
Motions due to
Delayed interrupt
M
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n
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d
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Immediate Action
interrupt
Part program
path before
interrupt
Interrupt
occurs
CAUTION: If the interrupt is executed in the middle of a
block’s execution, and there is axis motion in the interrupt
program then the control will never reach the end point of the
interrupted block. Execution will transfer to the end point of
the following block. This applies to type 1 interrupts only.