HEIDENHAIN iTNC 530 (340 49x-05) ISO programming - Manual (Page 33)

HEIDENHAIN iTNC 530 33
9.1 Principle and Overview ..... 250
Programming notes ..... 252
Calling Q-parameter functions ..... 253
9.2 Part Families—Q Parameters in Place of Numerical Values ..... 254
Function ..... 254
9.3 Describing Contours through Mathematical Operations ..... 255
Function ..... 255
Overview ..... 255
Programming fundamental operations ..... 256
9.4 Trigonometric Functions ..... 257
Definitions ..... 257
Programming trigonometric functions ..... 258
9.5 If-Then Decisions with Q Parameters ..... 259
Function ..... 259
Unconditional jumps ..... 259
Programming If-Then decisions ..... 259
9.6 Checking and Changing Q Parameters ..... 260
Procedure ..... 260
9.7 Additional Functions ..... 261
Overview ..... 261
D14: ERROR: Displaying error messages ..... 262
D15 PRINT: Output of texts or Q parameter values ..... 267
D19 PLC: Transfer values to the PLC ..... 267
9.8 Entering Formulas Directly ..... 268
Entering formulas ..... 268
Rules for formulas ..... 270
Programming example ..... 271
9.9 String Parameters ..... 272
String processing functions ..... 272
Assigning string parameters ..... 273
Chain-linking string parameters ..... 274
Converting a numerical value to a string parameter ..... 275
Copying a substring from a string parameter ..... 276
Copying system data to a string parameter ..... 277
Converting a string parameter to a numerical value ..... 279
Checking a string parameter ..... 280
Finding the length of a string parameter ..... 281
Comparing alphabetic priority ..... 282
9 Programming: Q Parameters ..... 249