HEIDENHAIN TNC 620 (81760x-02) User Manual
Page 32

Contents
32
TNC 620 | User's Manual
HEIDENHAIN Conversational Programming | 2/2015
9
Programming: Q parameters.......................................................................................................293
9.1
Principle and overview of functions................................................................................................. 294
Programming notes...............................................................................................................................296
Calling Q parameter functions.............................................................................................................. 297
9.2
Part families—Q parameters in place of numerical values............................................................. 298
Application............................................................................................................................................. 298
9.3
Describing contours with mathematical functions......................................................................... 299
Application............................................................................................................................................. 299
Overview............................................................................................................................................... 299
Programming fundamental operations..................................................................................................300
9.4
Angle functions................................................................................................................................... 301
Definitions............................................................................................................................................. 301
Programming trigonometric functions.................................................................................................. 301
9.5
Calculation of circles...........................................................................................................................302
Application............................................................................................................................................. 302
9.6
If-then decisions with Q parameters................................................................................................ 303
Application............................................................................................................................................. 303
Unconditional jumps..............................................................................................................................303
Abbreviations used:...............................................................................................................................303
Programming if-then decisions............................................................................................................. 304
9.7
Checking and changing Q parameters............................................................................................. 305
Procedure.............................................................................................................................................. 305
9.8
Additional functions............................................................................................................................307
Overview............................................................................................................................................... 307
FN 14: ERROR: Displaying error messages......................................................................................... 308
FN16: F-PRINT – Formatted output of text and Q parameter values.................................................... 312
FN 18: SYSREAD: Reading system data.............................................................................................. 316
FN 19: PLC – Transfer values to the PLC.............................................................................................325
FN 20: WAIT FOR – NC and PLC synchronization............................................................................... 325
FN 29: PLC – Transfer values to the PLC.............................................................................................326
FN 37: EXPORT.....................................................................................................................................326