Siemens SINUMERIK 840D Function Manual page 13

8.2 Detailed description..............................................................................................................239
8.2.1 Traversing of indexing axes in the AUTOMATIC mode .......................................................239
8.2.2 Traversing of indexing axes in the JOG mode .....................................................................239
8.2.3 Traversing of indexing axes by PLC ....................................................................................241
8.3 Commissioning.....................................................................................................................242
8.3.1 Machine data for indexing axes ...........................................................................................242
8.3.2 Machine data for equidistant indexing intervals ...................................................................245
8.3.2.1 Features ...............................................................................................................................245
8.3.2.2 Hirth axis ..............................................................................................................................247
8.3.3 Axis-specific system variables .............................................................................................247
8.3.4 NC/PLC interface signals .....................................................................................................248
8.4 Programming........................................................................................................................248
8.5 Supplementary conditions....................................................................................................250
8.6 Examples .............................................................................................................................253
8.6.1 Example 1: Rotary axis as indexing axis..............................................................................253
8.6.2 Example 2: Indexing axis as linear axis ...............................................................................254
8.6.3 Example 3: Rotary modulo axis as equidistant indexing axis ..............................................254
8.6.4 Example 4: Rotary axes as equidistant indexing axis with restricted traversing range........255
8.6.5 Example 5: Linear axis as equidistant indexing axis............................................................255
8.6.6 Example 6: "Hirth axis".........................................................................................................256
8.7 Data lists ..............................................................................................................................257
8.7.1 Machine data........................................................................................................................257
8.7.1.1 General machine data..........................................................................................................257
8.7.1.2 Axis/spindlespecific machine data .......................................................................................257
8.7.2 Setting data ..........................................................................................................................257
8.7.2.1 General setting data.............................................................................................................257
8.7.3 System variables..................................................................................................................258
9 G1: Gantry axes .......................................................................................................................................259
9.1 Brief description ...................................................................................................................259
9.2 "Gantry axes" function..........................................................................................................260
9.2.1 Definition of a gantry grouping .............................................................................................260
9.2.2 Monitoring the synchronism difference ................................................................................261
9.2.3 Extended monitoring of the synchronism difference ............................................................262
9.2.4 Referencing and synchronization of gantry axes .................................................................262
9.2.5 Control dynamics .................................................................................................................263
9.2.6 Opening the gantry grouping................................................................................................263
9.3 Referencing and synchronization of gantry axes .................................................................264
9.3.1 Introduction ..........................................................................................................................264
9.3.2 Automatic synchronization ...................................................................................................270
9.3.3 Points to note .......................................................................................................................271
9.4 Start-up of gantry axes.........................................................................................................274
9.5 Parameter assignment: Response to faults .........................................................................278
9.6 PLC interface signals for gantry axes ..................................................................................279
9.7 Miscellaneous points regarding gantry axes ........................................................................281
9.8 Examples .............................................................................................................................283
Axes and spindles
Function Manual, 06/2019, A5E47437747B AA
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