HEIDENHAIN iTNC 530 (340 49x-03) ISO programming - Manual (Page 537)

HEIDENHAIN iTNC 530 537
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Tool axis: Q109
The value of Q109 depends on the current tool axis:
Spindle status: Q110
The value of Q110 depends on which M function was last
programmed for the spindle:
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
M03: Spindle ON, clockwise Q110 =0
M04: Spindle ON, counterclockwise Q110 =1
M05 after M03 Q110 =2
M05 after M04 Q110 =3