Siemens SINUMERIK 840D sl Programming Manual

Example:
End point 4
End point 2
(4,0.25) PL=4
(2) PO[X]
N10 POLY PO[Y]=
N9 X0 Y0 G90
4
4
3
2
(PL)3210
1
X
p
2
1
Y
p
Shape of the curve in the XY plane
4
4
3
2
1
(PL)
4
3
3
2
2
1
1
0
Y
X
Result in XY plane
Description
The equation to express the polynomial function is generally as follows:
f(p)= a
0
+ a
1
p + a
2
p
2
+ . . . + a
n
p
n
with: a
i
: constant coefficients (i = 0, 1, ..., n)
p: Parameter
Work preparation
3.7 Special motion commands
NC programming
608 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0

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