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Reference Point Approach (R1)

Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0

iii

Contents

1 Brief Description ..................................................................................................................................... 1-1

1.1 Brief description ......................................................................................................................... 1-1

2 Detailed Description................................................................................................................................ 2-1

2.1 Axis-specific referencing ............................................................................................................ 2-1

2.2 Channel-specific referencing ..................................................................................................... 2-3

2.3 Reference point approach from part program (G74) ................................................................. 2-5

2.4 Referencing with incremental measurement systems ............................................................... 2-6

2.4.1 Chronological sequence ............................................................................................................ 2-6

2.4.2 Phase 1: Traversing to the reference cam.................................................................................2-7

2.4.3 Phase 2: Synchronization with the zero mark.......................................................................... 2-10

2.4.4 Phase 3: Traversing to the reference point.............................................................................. 2-16

2.4.5 Buffered actual value ............................................................................................................... 2-19

2.5 Referencing with distance-coded reference marks.................................................................. 2-21

2.5.1 General overview ..................................................................................................................... 2-21

2.5.2 Basic parameter assignment ................................................................................................... 2-21

2.5.3 Chronological sequence .......................................................................................................... 2-24

2.5.4 Phase 1: Reference mark search ............................................................................................ 2-25

2.5.5 Phase 2: Travel to fixed stop ................................................................................................... 2-27

2.6 Referencing with absolute value encoders .............................................................................. 2-29

2.6.1 Information about calibration.................................................................................................... 2-29

2.6.2 Calibration by entering a reference point offset....................................................................... 2-31

2.6.3 Adjustment by entering a reference point value ...................................................................... 2-32

2.6.4 Automatic calibration with probe.............................................................................................. 2-34

2.6.5 Calibration with BERO ............................................................................................................. 2-36

2.6.6 Reference point approach with absolute encoders ................................................................. 2-37

2.6.7 Automatic encoder replacement detection .............................................................................. 2-38

2.6.8 Enabling the measurement system ......................................................................................... 2-40

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

.............................................................. 2-41

2.7 Referencing by means of actual value adjustment.................................................................. 2-41

2.7.1 Actual value adjustment to the referencing measurement system.......................................... 2-41

2.7.2 Actual value adjustment to the referenced measurement system........................................... 2-42

2.7.3 Actual value adjustment for measuring systems with distance-coded reference marks ......... 2-43

2.8 Referencing in follow-up mode ................................................................................................ 2-44

2.9 Zero mark selection with BERO............................................................................................... 2-47

3 Supplementary Conditions...................................................................................................................... 3-1

3.1 Large traverse range.................................................................................................................. 3-1

4 Examples................................................................................................................................................ 4-1

4.1 Examples ................................................................................................................................... 4-1