HEIDENHAIN TNC 620 (340 56x-01) - Manual (Page 24)

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10.10 Entering Formulas Directly ..... 430
Entering formulas ..... 430
Rules for formulas ..... 432
Programming example ..... 433
10.11 String Parameters ..... 434
String processing functions ..... 434
Assigning string parameters ..... 435
Chain-linking string parameters ..... 435
Converting a numerical value to a string parameter ..... 436
Copying a substring from a string parameter ..... 437
Converting a string parameter to a numerical value ..... 438
Checking a string parameter ..... 439
Finding the length of a string parameter ..... 440
Comparing alphabetic priority ..... 441
10.12 Preassigned Q Parameters ..... 442
Values from the PLC: Q100 to Q107 ..... 442
Active tool radius: Q108 ..... 442
Tool axis: Q109 ..... 442
Spindle status: Q110 ..... 443
Coolant on/off: Q111 ..... 443
Overlap factor: Q112 ..... 443
Unit of measurement for dimensions in the program: Q113 ..... 443
Tool length: Q114 ..... 443
Coordinates after probing during program run ..... 444
Deviation between actual value and nominal value during automatic tool measurement with the TT 130 ..... 445
Tilting the working plane with mathematical angles: rotary axis coordinates calculated by the TNC ..... 445
Measurement results from touch probe cycles (see also User’s Manual for Touch Probe Cycles) ..... 446
10.13 Programming Examples ..... 448