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R1: Reference point approach

15.6 Referencing with distancecoded reference marks

Basic Functions

1224 Function Manual, 09/2011, 6FC5397-0BP40-2BA0

15.6.3 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

Figure 15-13 Distancecoded reference marks

15.6.4 Phase 1: Travel across the reference marks with synchronization

Phase 1: Start

For information on starting reference point approach, refer to "Axis-specific referencing" and "Channel-specific

referencing."

reference cam

In measuring systems with distance-coded reference marks, reference cams are not required for the actual

referencing action. For functional reasons, however, a reference cam is required for channel-specific reference

point approach and reference point approach from the part program (G74) before the traversing range end of the

machine axis.

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