Siemens SINUMERIK 840D Function Manual page 14

Table of contents
9.8.1 Creating a gantry grouping...................................................................................................283
9.8.2 Setting the NC-PLC interface...............................................................................................285
9.8.3 Commencing start-up...........................................................................................................285
9.8.4 Setting warning and trip limits ..............................................................................................287
9.9 Data lists ..............................................................................................................................288
9.9.1 Machine data........................................................................................................................288
9.9.1.1 Axis/spindlespecific machine data .......................................................................................288
10 R1: Referencing........................................................................................................................................291
10.1 Brief Description...................................................................................................................291
10.2 Axisspecific referencing .......................................................................................................292
10.3 Channelspecific referencing.................................................................................................294
10.4 Reference point appraoch from part program (G74)............................................................295
10.5 Referencing with incremental measurement systems..........................................................296
10.5.1 Hardware signals .................................................................................................................296
10.5.2 Zero mark selection..............................................................................................................298
10.5.3 Time sequence.....................................................................................................................299
10.5.4 Phase 1: Traversing to the reference cam ...........................................................................300
10.5.5 Phase 2: Synchronization with the zero mark ......................................................................302
10.5.6 Phase 3: Traversing to the reference point ..........................................................................307
10.6 Referencing with distance-coded reference marks ..............................................................309
10.6.1 General overview .................................................................................................................309
10.6.2 Basic parameter assignment................................................................................................310
10.6.3 Time sequence.....................................................................................................................312
10.6.4 Phase 1: Travel across the reference marks with synchronization ......................................312
10.6.5 Phase 2: Traversing to the target point ................................................................................314
10.7 Referencing by means of actual value adjustment ..............................................................316
10.7.1 Actual value adjustment to the referencing measurement system.......................................316
10.7.2 Actual value adjustment for measuring systems with distance-coded reference marks ......317
10.8 Referencing in follow-up mode.............................................................................................318
10.9 Referencing with absolute encoders ....................................................................................321
10.9.1 Information about the adjustment.........................................................................................321
10.9.2 Calibration by entering a reference point offset ...................................................................322
10.9.3 Adjustment by entering a reference point value...................................................................323
10.9.4 Automatic calibration with probe ..........................................................................................325
10.9.5 Adjustment with BERO.........................................................................................................327
10.9.6 Reference point approach with absolute encoders ..............................................................328
10.9.7 Reference point approach for rotary absolute encoders with equivalent zero mark ............328
10.9.8 Enabling the measurement system......................................................................................330
10.9.9 Referencing variants not supported .....................................................................................332
10.10 Automatic restoration of the machine reference ..................................................................332
10.10.1 Overview ..............................................................................................................................332
10.10.2 Automatic referencing ..........................................................................................................333
10.10.3 Restoration of the actual position.........................................................................................334
10.11 Supplementary conditions....................................................................................................336
10.11.1 Large traverse range............................................................................................................336
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Axes and spindles
Function Manual, 06/2019, A5E47437747B AA