Detailed description
2.4 Referencing with incremental measurement systems
Basic logic functions: Reference Point Approach (R1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
23
Features of phase 3
• Feed override active.
• Feed stop (channelspecific and axisspecific) is active.
• NC STOP and NC START are active.
Special feature of phase 3
If the parameterized distance from the encoder zero mark to the reference point, i.e. the sum
of reference point distance and reference point offset (MD34080 + MD34090) is smaller than
the required breaking distance for stopping from the reference point positioning
velocity(MD34070), the machine axis initially stops "behind" the reference point and then
travels back to it.
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Figure 2-10 Reference point distance plus reference point offset smaller than braking distance
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