HEIDENHAIN iTNC 530 (340 49x-02) - Manual (Page 30)

30
11.1 Principle and Overview ..... 532
Programming notes ..... 533
Calling Q parameter functions ..... 533
11.2 Part Families—Q Parameters in Place of Numerical Values ..... 534
Example NC blocks ..... 534
Example ..... 534
11.3 Describing Contours through Mathematical Operations ..... 535
Function ..... 535
Overview ..... 535
Programming fundamental operations ..... 536
11.4 Trigonometric Functions ..... 537
Definitions ..... 537
Programming trigonometric functions ..... 538
11.5 Calculating Circles ..... 539
Function ..... 539
11.6 If-Then Decisions with Q Parameters ..... 540
Function ..... 540
Unconditional jumps ..... 540
Programming If-Then decisions ..... 540
Abbreviations used: ..... 541
11.7 Checking and Changing Q Parameters ..... 542
Procedure ..... 542
11.8 Additional Functions ..... 543
Overview ..... 543
FN14: ERROR: Displaying error messages ..... 544
FN15: PRINT: Output of texts or Q parameter values ..... 547
FN16: F-PRINT: Formatted output of texts or Q parameter values ..... 548
FN18: SYS-DATUM READ Read system data ..... 553
FN19: PLC: Transferring values to the PLC ..... 559
FN20: WAIT FOR: NC and PLC synchronization ..... 560
FN 25: PRESET: Setting a new datum ..... 561
FN26:TABOPEN: Opening a freely definable table ..... 562
FN27: TABWRITE: Writing to a freely definable table ..... 562
FN28:TABREAD: Reading a freely definable table ..... 563
11 Programming: Q Parameters ..... 531