Siemens SINUMERIK 840D sl Programming Manual page 182

Special Motion Commands
5.5 Polynomial interpolation (POLY, POLYPATH)
POLPATH ( )
Deactivates the polynomial interpolation for all axes
Example
N10 G1 X... Y... Z... F600
N11 POLY PO[X]=(1,2.5,0.7) ->
-> PO[Y]=(0.3,1,3.2) PL=1.5
N12 PO[X]=(0,2.5,1.7) PO[Y]=(2.3,1.7) PL=3
...
N20 M8 H126 ...
N25 X70 PO[Y]=(9.3,1,7.67) PL=5
N27 PO[X]=(10.2.5) PO[Y]=(2.3)
N30 G1 X... Y... Z.
...
Example of applicable polynomial syntax with PO
Polynomial syntax used previously remains
valid
PO[axis identifier]=(.. , ..)
PO[PHI]=(.. , ..)
PO[PSI]=(.. , ..)
PO[THT]=(.. , ..)
PO[]=(.. , ..)
PO[variable]=IC(.. , ..)
Example of a curve in the X/Y plane
5-18
;Polynomial interpolation ON
;Mixed settings for axes
;No PL value programmed; PL=1 applies
;Polynomial interpolation OFF
;New polynomial syntax (SW 6 and higher)
;Axis identifier=PO(.. , ..)
;PHI=PO(.. , ..)
;PSI=PO(.. , ..)
;THT=PO(.. , ..)
;PO(.. , ..)
;variable=PO IC(.. , ..)
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
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