HEIDENHAIN TNC 128 (77184x-02) User Manual
Page 22
Contents
22
TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
8
Programming: Q Parameters.......................................................................................................189
8.1
Principle and overview of functions................................................................................................. 190
Programming notes...............................................................................................................................191
Calling Q parameter functions.............................................................................................................. 192
8.2
Part families—Q parameters in place of numerical values............................................................. 193
Application............................................................................................................................................. 193
8.3
Describing contours with mathematical functions......................................................................... 194
Application............................................................................................................................................. 194
Overview............................................................................................................................................... 194
Programming fundamental operations..................................................................................................195
8.4
Angle functions................................................................................................................................... 196
Definitions............................................................................................................................................. 196
Programming trigonometric functions.................................................................................................. 196
8.5
Calculation of circles...........................................................................................................................197
Application............................................................................................................................................. 197
8.6
If-then decisions with Q parameters................................................................................................ 198
Application............................................................................................................................................. 198
Unconditional jumps..............................................................................................................................198
Programming if-then decisions............................................................................................................. 198
Abbreviations used:...............................................................................................................................199
8.7
Checking and changing Q parameters............................................................................................. 200
Procedure.............................................................................................................................................. 200
8.8
Additional functions............................................................................................................................202
Overview............................................................................................................................................... 202
FN 14: ERROR: Displaying error messages......................................................................................... 203
FN 16: F-PRINT: Output of formatted texts and Q parameter values....................................................207
FN 18: SYSREAD: Reading system data.............................................................................................. 211
FN 19: PLC: Transfer values to PLC..................................................................................................... 220
FN 20: WAIT FOR: NC and PLC synchronization................................................................................. 220
FN 29: PLC: Transfer values to the PLC...............................................................................................221
FN 37: EXPORT.....................................................................................................................................221