Preassigned Q Parameters; Values From The Plc: Q100 To Q; Active Tool Radius: Q; Tool Axis: Q - HEIDENHAIN ITNC 530 User Manual

11.10Preassigned Q Parameters

The Q parameters Q100 to Q122 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.

Active tool radius: Q108

The active value of the tool radius is assigned to Q108. Q108 is
calculated from:
Tool radius R (Tool table or TOOL DEF block)
Delta value DR from the tool table
Delta value DR from the TOOL CALL block

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
568
Parameter value
Q109 = –1
Q109 = 0
Q109 = 1
Q109 = 2
Q109 = 6
Q109 = 7
Q109 = 8
11 Programming: Q Parameters