HEIDENHAIN TNC 640 (34059x-04) User Manual
Page 30
Contents
30
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
9
Programming: Q Parameters.......................................................................................................283
9.1
Principle and overview of functions................................................................................................. 284
Programming notes...............................................................................................................................285
Calling Q parameter functions.............................................................................................................. 286
9.2
Part families—Q parameters in place of numerical values............................................................. 287
Application............................................................................................................................................. 287
9.3
Describing contours with mathematical functions......................................................................... 288
Application............................................................................................................................................. 288
Overview............................................................................................................................................... 288
Programming fundamental operations..................................................................................................289
9.4
Angle functions (trigonometry)......................................................................................................... 290
Definitions............................................................................................................................................. 290
Programming trigonometric functions.................................................................................................. 290
9.5
Calculation of circles...........................................................................................................................291
Application............................................................................................................................................. 291
9.6
If-then decisions with Q parameters................................................................................................ 292
Application............................................................................................................................................. 292
Unconditional jumps..............................................................................................................................292
Programming if-then decisions............................................................................................................. 292
Abbreviations used:...............................................................................................................................293
9.7
Checking and changing Q parameters............................................................................................. 294
Procedure.............................................................................................................................................. 294
9.8
Additional functions............................................................................................................................296
Overview............................................................................................................................................... 296
FN 14: ERROR: Displaying error messages......................................................................................... 297
FN 16: F-PRINT: Output of formatted texts and Q parameter values....................................................301
FN 18: SYS-DATUM READ: Reading system data................................................................................305
FN 19: PLC: Transfer values to PLC..................................................................................................... 314
FN 20: WAIT FOR: NC and PLC synchronization................................................................................. 314
FN 29: PLC: Transfer values to the PLC...............................................................................................316
FN 37: EXPORT.....................................................................................................................................316