Siemens SINUMERIK 840D SL Operating Manual page 362

Programming technological functions (cycles)
8.2 Milling
Parameter Description
Y0 Reference point Y (abs)
(for linear alignment only)
Z0 Reference point Z (abs)
Z1 Engraving depth (abs) or depth referred to Z0 (inc)
W Character height
DX1 or α2 Distance between characters or angle of opening – (for curved alignment only)
DX1 or DX2 Distance between characters or total width – (for linear alignment only)
α1 Text direction (for linear alignment only)
XM or LM Center point X (abs) or center point length polar
– (for curved alignment only)
(only for G code)
YM or αM Center point Y (abs) or center point angle polar
– (for curved alignment only)
(only for G code)
XM Center point X (abs)
(ShopMill only) – (only for curved alignment)
YM Center point Y (abs)
(ShopMill only) – (only for curved alignment)
* Unit of feedrate as programmed before the cycle call
362
Operating Manual, 02/2012, 6FC5398-7CP40-3BA0
Unit
mm
mm
mm
mm
mm or
degrees
mm
Degrees
mm
mm or
degrees
mm
mm
Milling