HEIDENHAIN TNC 640 - Page 383

Programming Q Parameters | Describing contours with mathematical functions
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
383
Example 3 – Reset Q parameters
Example
16 FN 0: Q5 SET UNDEFINED
17 FN 0: Q1 = Q5
Select the Q parameter function: Press the Q key
To select the mathematical functions, press the
BASIC ARITHM. soft key.
Select the ASSIGN Q parameter function: Press
the FN0 X = Y soft key
PARAMETER NUMBER FOR RESULT?
Enter 5 (the number of the Q parameter) and
confirm with the ENT key
1. VALUE OR PARAMETER?
Press SET UNDEFINED
The FN 0 function also supports transfer of the value
Undefined. If you wish to transfer the undefined Q
parameter without FN 0, the control shows the error
message Invalid value.