HEIDENHAIN TNC 320 User Manual page 377

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 overlap factor for pocket milling is assigned to Q112.
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)
Tool length: Q114
The current value for the tool length is assigned to Q114.
The TNC remembers the current tool length even if
the power is interrupted.
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Preassigned Q parameters 9.12
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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