3 pre-assigned q parameters – HEIDENHAIN TNC 407 (280 580) User Manual User Manual
Page 361

12-17
12
Tables and Overviews
TNC 425/TNC 415 B/TNC 407
12.3 Pre-assigned Q Parameters
The Q parameters Q100 to Q113 are assigned values by the TNC. These
values include:
• Values from the PLC
• Tool and spindle data
• Data on operating status etc.
Values from the PLC: Q100 to Q107
The TNC uses the parameters Q100 to Q107 to transfer values from the
PLC to an NC program.
Tool radius: Q108
The current value of the tool radius is assigned to Q108.
Tool axis: Q109
The value of the Q parameter Q109 depends on the current tool axis.
Tool axis
Parameter value
No tool axis defined
Q109 = –1
Z axis
Q109 =
2
Y axis
Q109 =
1
X axis
Q109 =
0
Spindle status: Q110
The value of the parameter Q110 depends on the last programmed M
function.
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
Coolant on/off: Q111
M function
Parameter value
M08: Coolant on
Q111 =
1
M09: Coolant off
Q111 =
0
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