364 Programming: Q Parameters
9.11 Preassigned Q parameters
9.11 Preassigned Q parameters
The Q parameters Q100 to Q199 are assigned values by the TNC. The
following types of information are assigned to Q parameters:
Values from the PLC
Tool and spindle data
Data on operating status
Results of measurements from touch probe cycles 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.
WMAT block: QS100
The TNC saves the material defined in the WMAT block in parameter
QS100.
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
Preassigned Q parameters (QS parameters) between Q100
and Q199 (QS100 and QS199) must not be used in NC
programs as calculation parameters. Otherwise you might
receive undesired results.
The TNC remembers the current tool radius even if the
power is interrupted.
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