HEIDENHAIN TNC 620 (34056x-04) ISO programming - Manual (Page 26)

Contents
26
TNC 620 | User's Manual for DIN/ISO Programming | 5/2013
8 Programming: Q Parameters.........................................................................................................213
8.1 Principle and overview of functions.................................................................................................. 214
Programming notes................................................................................................................................215
Calling Q parameter functions............................................................................................................... 216
8.2 Part families—Q parameters in place of numerical values.............................................................. 217
Application.............................................................................................................................................. 217
8.3 Describing contours with mathematical functions.......................................................................... 218
Application.............................................................................................................................................. 218
Overview................................................................................................................................................ 218
Programming fundamental operations...................................................................................................219
8.4 Angle functions (trigonometry).......................................................................................................... 220
Definitions...............................................................................................................................................220
Programming trigonometric functions................................................................................................... 220
8.5 If-then decisions with Q parameters................................................................................................. 221
Application.............................................................................................................................................. 221
Unconditional jumps...............................................................................................................................221
Programming if-then decisions.............................................................................................................. 221
8.6 Checking and changing Q parameters...............................................................................................222
Procedure............................................................................................................................................... 222
8.7 Additional functions.............................................................................................................................224
Overview................................................................................................................................................ 224
D14: Displaying error messages............................................................................................................ 225
D18: Reading system data.....................................................................................................................229
D19: Transfer values to PLC.................................................................................................................. 238
D20: NC and PLC synchronization......................................................................................................... 238
D29: Transfer values to the PLC............................................................................................................240
D37 EXPORT.......................................................................................................................................... 240