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Basic logic functions: Reference Point Approach (R1)

Function Manual, 11/2006, 6FC5397-0BP10-2BA0

Table of contents

1 Brief Description ........................................................................................................................................ 5

2 Detailed description ................................................................................................................................... 7

2.1 Axisspecific referencing .................................................................................................................7

2.2 Channelspecific referencing...........................................................................................................9

2.3 Reference point appraoch from part program (G74) ...................................................................11

2.4 Referencing with incremental measurement systems .................................................................12

2.4.1 Chronological sequence ..............................................................................................................12

2.4.2 Phase 1: Traversing to the reference cam...................................................................................13

2.4.3 Phase 2: Synchronization with the zero mark..............................................................................15

2.4.4 Phase 3: Traversing to the reference point..................................................................................21

2.4.5 Buffered actual value ...................................................................................................................24

2.5 Referencing with distancecoded reference marks.......................................................................26

2.5.1 General overview .........................................................................................................................26

2.5.2 Basic parameter assignment .......................................................................................................26

2.5.3 Chronological sequence ..............................................................................................................29

2.5.4 Phase 1: Travel across the reference marks with synchronization .............................................30

2.5.5 Phase 2: Travel to fixed stop .......................................................................................................31

2.6 Referencing with absolute value encoders ..................................................................................34

2.6.1 Information about calibration........................................................................................................34

2.6.2 Calibration by entering a reference point offset...........................................................................36

2.6.3 Adjustment by entering a reference point value ..........................................................................37

2.6.4 Automatic calibration with probe..................................................................................................39

2.6.5 Calibration with BERO .................................................................................................................41

2.6.6 Reference point approach with absolute encoders .....................................................................43

2.6.7 Automatic encoder replacement detection ..................................................................................43

2.6.8 Enabling the measurement system .............................................................................................45

2.6.9 Referencing variants that are not supported................................................................................46

2.7 Referencing by means of actual value adjustment......................................................................47

2.7.1 Actual value adjustment to the referencing measurement system..............................................47

2.7.2 Actual value adjustment to the referenced measurement system...............................................48

2.7.3 Actual value adjustment for measuring systems with distance-coded reference marks .............49

2.8 Referencing in followup mode......................................................................................................50

2.9 Zero mark selection with BERO...................................................................................................54

3 Supplementary conditions ....................................................................................................................... 55

3.1 Large traverse range....................................................................................................................55

4 Examples................................................................................................................................................. 57