HEIDENHAIN TNC 640 (34059x-01) ISO programming - Manual (Page 21)

HEIDENHAIN TNC 640 21
8.10 String Parameters ..... 264
String processing functions ..... 264
Assigning string parameters ..... 265
Chain-linking string parameters ..... 266
Converting a numerical value to a string parameter ..... 267
Copying a substring from a string parameter ..... 268
Converting a string parameter to a numerical value ..... 269
Checking a string parameter ..... 270
Finding the length of a string parameter ..... 271
Comparing alphabetic priority ..... 272
Reading machine parameters ..... 273
8.11 Preassigned Q Parameters ..... 276
Values from the PLC: Q100 to Q107 ..... 276
Active tool radius: Q108 ..... 276
Tool axis: Q109 ..... 277
Spindle status: Q110 ..... 277
Coolant on/off: Q111 ..... 277
Overlap factor: Q112 ..... 277
Unit of measurement for dimensions in the program: Q113 ..... 278
Tool length: Q114 ..... 278
Coordinates after probing during program run ..... 278
Deviation between actual value and nominal value during automatic tool measurement with the TT 130 ..... 279
Tilting the working plane with mathematical angles: rotary axis coordinates calculated by the TNC ..... 279
Measurement results from touch probe cycles (see also User’s Manual for Touch Probe Cycles) ..... 280
8.12 Programming Examples ..... 282