Siemens SINUMERIK 840D sl Function Manual page 16

Contents
8.5.5 Continuous measurement (cyclic measurement)...................................................................... 702
8.6 Measurement accuracy and functional testing.......................................................................... 705
8.6.1 Measurement accuracy............................................................................................................. 705
8.6.2 Probe functional testing............................................................................................................. 706
8.7 Marginal conditions ................................................................................................................... 707
8.8 Examples................................................................................................................................... 707
8.8.1 Measuring mode 1 .................................................................................................................... 707
8.8.2 Measuring mode 2 .................................................................................................................... 708
8.8.3 Continuous measurement ......................................................................................................... 708
8.8.3.1 Continous measurement on completion of programmed traversing motion ............................. 708
8.8.3.2 Continuous measurements with deletion of distance-to-go ...................................................... 709
8.8.3.3 Continuous measurements modally over several blocks.......................................................... 709
8.8.4 Functional test and repeat accuracy ......................................................................................... 710
8.9 Data lists.................................................................................................................................... 712
8.9.1 Machine data............................................................................................................................. 712
8.9.1.1 General machine data............................................................................................................... 712
8.9.1.2 Channel-specific machine data................................................................................................. 712
8.9.2 System variables....................................................................................................................... 713
9 Software Cams, Position Switching Signals (N3)................................................................................... 715
9.1 Brief description ........................................................................................................................ 715
9.2 Cam signals and cam positions ................................................................................................ 716
9.2.1 Generation of cam signals for separate output ......................................................................... 716
9.2.2 Generation of cam signals with gated output............................................................................ 719
9.2.3 Cam positions ........................................................................................................................... 724
9.2.4 Lead/delay times (dynamic cam) .............................................................................................. 725
9.3 Output of cam signals ............................................................................................................... 727
9.3.1 Activating................................................................................................................................... 727
9.3.2 Output of cam signals to PLC ................................................................................................... 727
9.3.3 Output of cam signals to NCK I/Os in position control cycle..................................................... 728
9.3.4 Timer-controlled cam signal output........................................................................................... 730
9.3.5 Independent, timer-controlled output of cam signals ................................................................ 731
9.4 Position-time cams.................................................................................................................... 733
9.5 Supplementary conditions......................................................................................................... 735
9.6 Data lists.................................................................................................................................... 736
9.6.1 Machine data............................................................................................................................. 736
9.6.1.1 General machine data............................................................................................................... 736
9.6.2 Setting data ............................................................................................................................... 737
9.6.2.1 General setting data.................................................................................................................. 737
9.6.3 Signals....................................................................................................................................... 738
9.6.3.1 Signals to axis/spindle............................................................................................................... 738
9.6.3.2 Signals from axis/spindle .......................................................................................................... 738
10 Punching and Nibbling (N4) ................................................................................................................... 739
10.1 Brief description ........................................................................................................................ 739
10.2 Stroke control ............................................................................................................................ 740
10.2.1 General information................................................................................................................... 740
10.2.2 High-speed signals.................................................................................................................... 740
10.2.3 Criteria for stroke initiation ........................................................................................................ 743
10.2.4 Axis start after punching............................................................................................................ 745
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Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Extended Functions