Detailed Description   
2.5 Referencing with distance-coded reference marks 
  Reference Point Approach (R1) 
2-24  Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0 
2.5.3  Chronological sequence 
Chronological sequence 
Referencing with distance-coded reference marks can be divided into two phases: 
•  Phase 1: Travel across the reference marks with synchronization 
•  Phase 2: Traveling to a fixed destination point 
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Fig. 2-12  Distancecoded reference marks