HEIDENHAIN TNC 320 (340 55x-05) - Manual (Page 23)

HEIDENHAIN TNC 320 23
8.1 Principle and Overview ..... 228
Programming notes ..... 229
Calling Q-parameter functions ..... 230
8.2 Part Families—Q Parameters in Place of Numerical Values ..... 231
Function ..... 231
8.3 Describing Contours through Mathematical Operations ..... 232
Function ..... 232
Overview ..... 232
Programming fundamental operations ..... 233
8.4 Trigonometric Functions ..... 234
Definitions ..... 234
Programming trigonometric functions ..... 235
8.5 Circle Calculations ..... 236
Function ..... 236
8.6 If-Then Decisions with Q Parameters ..... 237
Function ..... 237
Unconditional jumps ..... 237
Programming If-Then decisions ..... 237
Abbreviations used: ..... 238
8.7 Checking and Changing Q Parameters ..... 239
Procedure ..... 239
8.8 Additional Functions ..... 240
Overview ..... 240
FN 14: ERROR: Displaying error messages ..... 241
FN 16: F-PRINT: Formatted output of text and Q-parameter values ..... 246
FN 18: SYS-DATUM READ ..... 250
FN 19: PLC: Transfer values to the PLC ..... 260
FN 20: WAIT FOR: NC and PLC synchronization ..... 260
FN 29: PLC: Transfer values to the PLC ..... 261
FN37: EXPORT ..... 262
8.9 Accessing Tables with SQL Commands ..... 263
Introduction ..... 263
A Transaction ..... 264
Programming SQL commands ..... 266
Overview of the soft keys ..... 266
SQL BIND ..... 267
SQL SELECT ..... 268
SQL FETCH ..... 271
SQL UPDATE ..... 272
SQL INSERT ..... 272
SQL COMMIT ..... 273
SQL ROLLBACK ..... 273
8 Programming: Q Parameters ..... 227