HEIDENHAIN TNC 320 (340 55x-05) - Manual (Page 24)

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8.10 Entering Formulas Directly ..... 274
Entering formulas ..... 274
Rules for formulas ..... 276
Programming example ..... 277
8.11 String Parameters ..... 278
String processing functions ..... 278
Assigning string parameters ..... 279
Chain-linking string parameters ..... 280
Converting a numerical value to a string parameter ..... 281
Copying a substring from a string parameter ..... 282
Converting a string parameter to a numerical value ..... 283
Checking a string parameter ..... 284
Finding the length of a string parameter ..... 285
Comparing alphabetic priority ..... 286
Reading machine parameters ..... 287
8.12 Preassigned Q Parameters ..... 290
Values from the PLC: Q100 to Q107 ..... 290
Active tool radius: Q108 ..... 290
Tool axis: Q109 ..... 291
Spindle status: Q110 ..... 291
Coolant on/off: Q111 ..... 291
Overlap factor: Q112 ..... 291
Unit of measurement for dimensions in the program: Q113 ..... 292
Tool length: Q114 ..... 292
Coordinates after probing during program run ..... 292
Deviation between actual value and nominal value during automatic tool measurement with the TT 130 ..... 293
Tilting the working plane with mathematical angles: rotary axis coordinates calculated by the TNC ..... 293
Measurement results from touch probe cycles (see also User’s Manual for Touch Probe Cycles) ..... 294
8.13 Programming Examples ..... 296