Tool Axis: Q109; Spindle Status: Q110; Coolant On/Off: Q111; Overlap Factor: Q112 - HEIDENHAIN TNC 620 User Manual

Programming Q Parameters | Preassigned Q parameters

Tool axis: Q109

The value of Q109 depends on the current tool axis:
Tool axis
No tool axis defined
X axis
Y axis
Z axis
U axis
V axis
W axis

Spindle status: Q110

The value of the parameter Q110 depends on the M function last
programmed for the spindle.
M function
No spindle status defined
M3: Spindle ON, clockwise
M4: Spindle ON, counterclockwise
M5 after M3
M5 after M4

Coolant on/off: Q111

M function
M8: Coolant ON
M9: Coolant OFF

Overlap factor: Q112

The control assigns Q112 to the overlap factor for pocket milling.
Unit of measurement for dimensions in the program:
Q113
During nesting the PGM CALL, the value of the parameter Q113
depends on the dimensional data of the program from which the
other programs are called.
Dimensional data of the main program
Metric system (mm)
Imperial system (inch)
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
Parameter value
Q109 = –1
Q109 = 0
Q109 = 1
Q109 = 2
Q109 = 6
Q109 = 7
Q109 = 8
Parameter value
Q110 = –1
Q110 = 0
Q110 = 1
Q110 = 2
Q110 = 3
Parameter value
Q111 = 1
Q111 = 0
Parameter value
Q113 = 0
Q113 = 1
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