HEIDENHAIN TNC 620 (340 56x-03) ISO programming - Manual (Page 258)

258 Programming: Q Parameters
8.1
1
Pr
eassigned Q P
a
ra
met
e
rs Tool axis: Q109
The value of Q109 depends on the current tool axis:
Spindle status: Q110
The value of the parameter Q110 depends on the M function last
programmed for the spindle.
Coolant on/off: Q111
Overlap factor: Q112
The overlap factor for pocket milling (pocketOverlap) is assigned to
Q112.
Tool axis Parameter value
No tool axis defined Q109 = –1
X axis Q109 = 0
Y axis Q109 = 1
Z axis Q109 = 2
U axis Q109 = 6
V axis Q109 = 7
W axis Q109 = 8
M function Parameter value
No spindle status defined Q110 = –1
M3: Spindle ON, clockwise Q110 = 0
M4: Spindle ON, counterclockwise Q110 = 1
M5 after M3 Q110 = 2
M5 after M4 Q110 = 3
M function Parameter value
M8: Coolant ON Q111 = 1
M9: Coolant OFF Q111 = 0