Siemens SINUMERIK 840D sl Programming Manual

Program code Comment
N40 G4 S30 ; Dwelling 30 revolutions of the spindle (at S=300
rpm and 100% speed override, corresponds to: t = 0.1
min).
N50 X... ; The feedrate and spindle speed programmed in N10
continue to apply.
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 Comments
...
N40 POSA[X]=100
N50 IF $AA_IM[X]==R100 GOTOF MARKE1 ; Access to machine status data ($A...),
the control generates an internal pre-
processing stop.
N60 G0 Y100
N70 WAITP(X)
N80 LABEL1:
...
Fundamentals
2.14 Supplementary commands
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 369

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based