HEIDENHAIN TNC 620 (81760x-01) ISO programming User Manual
Page 30
Contents
30
TNC 620 | User's Manual for DIN/ISO Programming | 3/2014
9
Programming: Q Parameters.......................................................................................................251
9.1
Principle and overview of functions................................................................................................. 252
Programming notes...............................................................................................................................253
Calling Q parameter functions.............................................................................................................. 254
9.2
Part families—Q parameters in place of numerical values............................................................. 255
Application............................................................................................................................................. 255
9.3
Describing contours with mathematical functions......................................................................... 256
Application............................................................................................................................................. 256
Overview............................................................................................................................................... 256
Programming fundamental operations..................................................................................................257
9.4
Angle functions (trigonometry)......................................................................................................... 258
Definitions............................................................................................................................................. 258
Programming trigonometric functions.................................................................................................. 258
9.5
If-then decisions with Q parameters................................................................................................ 259
Application............................................................................................................................................. 259
Unconditional jumps..............................................................................................................................259
Programming if-then decisions............................................................................................................. 259
9.6
Checking and changing Q parameters............................................................................................. 260
Procedure.............................................................................................................................................. 260
9.7
Additional functions............................................................................................................................262
Overview............................................................................................................................................... 262
D14: Displaying error messages........................................................................................................... 263
D18: Reading system data....................................................................................................................267
D19: Transfer values to PLC................................................................................................................. 276
D20: NC and PLC synchronization........................................................................................................276
D29: Transfer values to the PLC...........................................................................................................278
D37 EXPORT.........................................................................................................................................278