HEIDENHAIN iTNC 530 (340 49x-05) - Manual (Page 34)

34
9.1 Principle and Overview ..... 274
Programming notes ..... 276
Calling Q-parameter functions ..... 277
9.2 Part Families—Q Parameters in Place of Numerical Values ..... 278
Function ..... 278
9.3 Describing Contours through Mathematical Operations ..... 279
Function ..... 279
Overview ..... 279
Programming fundamental operations ..... 280
9.4 Trigonometric Functions ..... 281
Definitions ..... 281
Programming trigonometric functions ..... 282
9.5 Circle Calculations ..... 283
Function ..... 283
9.6 If-Then Decisions with Q Parameters ..... 284
Function ..... 284
Unconditional jumps ..... 284
Programming If-Then decisions ..... 284
Abbreviations used: ..... 285
9.7 Checking and Changing Q Parameters ..... 286
Procedure ..... 286
9.8 Additional Functions ..... 287
Overview ..... 287
FN 14: ERROR: Displaying error messages ..... 288
FN 15: PRINT: Output of texts or Q parameter values ..... 293
FN 16: F-PRINT: Formatted output of text and Q parameter values ..... 294
FN 18: SYS-DATUM READ: Read system data ..... 298
FN 19: PLC: Transfer values to the PLC ..... 304
FN 20: WAIT FOR: NC and PLC synchronization ..... 305
FN 25: PRESET: Setting a new datum ..... 307
9.9 Entering Formulas Directly ..... 308
Entering formulas ..... 308
Rules for formulas ..... 310
Programming example ..... 311
9 Programming: Q Parameters ..... 273