Internal Preprocessing Stop - Siemens SINUMERIK 840D sl Programming Manual

Program code
N40 G4 S30
N50 X...
2.14.8

Internal preprocessing stop

Function
The control generates an internal preprocessing stop on access to machine status data ($A...).
The following block is not executed until all preprocessed and saved blocks have been
executed in full. The previous block is stopped in exact stop (as G9).
Example
Program code
...
N40 POSA[X]=100
N50 IF $AA_IM[X]==R100 GOTOF MARKE1
N60 G0 Y100
N70 WAITP(X)
N80 LABEL1:
...
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Comment
; Dwelling 30 revolutions of the spindle (at S=300
rpm and 100% speed override, corresponds to: t = 0.1
min).
; The feedrate and spindle speed programmed in N10
continue to apply.
Comments
; Access to machine status data ($A...),
the control generates an internal pre-
processing stop.
Fundamentals
2.14 Supplementary commands
369