HEIDENHAIN iTNC 530 (340 49x-04) ISO programming - Manual (Page 36)

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11.1 Principle and Overview ..... 526
Programming notes ..... 527
Calling Q parameter functions ..... 528
11.2 Part Families—Q Parameters in Place of Numerical Values ..... 529
Example NC blocks ..... 529
Example ..... 529
11.3 Describing Contours through Mathematical Operations ..... 530
Function ..... 530
Overview ..... 530
Programming fundamental operations ..... 531
11.4 Trigonometric Functions ..... 533
Definitions ..... 533
Programming trigonometric functions ..... 534
11.5 If-Then Decisions with Q Parameters ..... 535
Application ..... 535
Unconditional jumps ..... 535
Programming If-Then decisions ..... 535
Abbreviations used: ..... 536
11.6 Checking and Changing Q Parameters ..... 537
Procedure ..... 537
11.7 Additional Functions ..... 538
Overview ..... 538
D14: ERROR: Output error messages ..... 539
D15: PRINT: Output of texts or Q parameter values ..... 543
D19: PLC: Transfer values to the PLC ..... 543
11.8 Entering Formulas Directly ..... 544
Entering formulas ..... 544
Rules for formulas ..... 546
Programming example ..... 547
11.9 String Parameters ..... 548
String processing functions ..... 548
Assigning string parameters ..... 549
Chain-linking string parameters ..... 549
Converting a numerical value to a string parameter ..... 550
Copying a substring from a string parameter ..... 551
Copying system data to a string parameter ..... 552
Converting a string parameter to a numerical value ..... 554
Checking a string parameter ..... 555
Finding the length of a string parameter ..... 556
Comparing alphabetic priority ..... 557
11 Programming: Q-Parameters ..... 525