Siemens sinumerik 840D sl Function Manual page 382

Examples
4.2 Curve tables
Definition of a periodic curve table
Table No: 2
Master value range: 0 - 360
The following axis traverses from N70 to N90, a movement from 0 to 45 and back to 0.
N10 DEF REAL DEPPOS
N20 DEF REAL GRADIENT
N30 CTABDEF(Y,X,2,1)
N40 G1 X=0 Y=0
N50 POLY
N60 PO[X]=(45.0)
N70 PO[X]=(90.0) PO[Y]=(45.0,135.0,-90)
N80 PO[X]=(270.0)
N90 PO[X]=(315.0) PO[Y]=(0.0,-135.0,90)
N100 PO[X]=(360.0)
N110 CTABEND
N130 G1 F1000 X0
N140 LEADON(Y,X,2)
N150 X360
N160 X0
N170 LEADOF(Y,X)
N180 DEPPOS = CTAB(75.0,2,GRADIENT)
N190 G0 X75 Y=DEPPOS
N200 LEADON(Y,X,2)
N210 G1 X110 F1000
N220 LEADOF(Y,X)
N230 M30
162
; Testing the curve by coupling Y to X
; Reading the table position at master value
75.0 from the curve table with Table No. 2
; Positions of leading and following axis
; No synchronization of the following axis is
required after the coupling is activated
Special functions: Axis Couplings and ESR (M3)
Function Manual, 11/2006, 6FC5397-2BP10-2BA0