HEIDENHAIN TNC 620 (73498x-02) ISO programming - Manual (Page 27)

TNC 620 | User's Manual for DIN/ISO Programming | 5/2013
27
9 Programming: Q Parameters.........................................................................................................237
9.1 Principle and overview of functions.................................................................................................. 238
Programming notes................................................................................................................................239
Calling Q parameter functions............................................................................................................... 240
9.2 Part families—Q parameters in place of numerical values.............................................................. 241
Application.............................................................................................................................................. 241
9.3 Describing contours with mathematical functions.......................................................................... 242
Application.............................................................................................................................................. 242
Overview................................................................................................................................................ 242
Programming fundamental operations...................................................................................................243
9.4 Angle functions (trigonometry).......................................................................................................... 244
Definitions...............................................................................................................................................244
Programming trigonometric functions................................................................................................... 244
9.5 If-then decisions with Q parameters................................................................................................. 245
Application.............................................................................................................................................. 245
Unconditional jumps...............................................................................................................................245
Programming if-then decisions.............................................................................................................. 245
9.6 Checking and changing Q parameters...............................................................................................246
Procedure............................................................................................................................................... 246
9.7 Additional functions.............................................................................................................................248
Overview................................................................................................................................................ 248
D14: Displaying error messages............................................................................................................ 249
D18: Reading system data.....................................................................................................................253
D19: Transfer values to PLC.................................................................................................................. 262
D20: NC and PLC synchronization......................................................................................................... 262
D29: Transfer values to the PLC............................................................................................................264
D37 EXPORT.......................................................................................................................................... 264