Siemens SINUMERIK 840D sl Operating Manual page 527

Parameters
Function, withdrawing
Also take zero point
Work offset
Z1
F
Parameters
Function, rear face
Work offset
ZW
ZV
Parameters
Function, front face
Work offset
Turning
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
Description
Also take zero point
Yes

No

Work offset in which the coordinate system offset by Z1 must be saved.
Basic reference

G54

G55

G56

G57

...

Amount by which the workpiece is withdrawn from the main spindle (inc)
Feedrate
Description
Work offset in which the coordinate system, which was shifted according to ZW
and by ZV as well as mirrored in Z, must be saved:
Basic reference

G54

G55

G56

G57

...

Machining position for special axis (abs.); machine coordinate system
Offset Z = 0
Workpiece zero is offset in Z direction (inc, the sign is also evaluated)
Description
Work offset for machining the next front face:
Basic reference

G54

G55

G56

G57

...

Programming technology functions (cycles)
8.7 Additional cycles and functions in ShopTurn
Unit
mm/min
Unit
mm
mm
Unit
527