Detailed description
2.5 Referencing with distancecoded reference marks
Basic logic functions: Reference Point Approach (R1)
28 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Warning
After determining the absolute offset and the entry in MD34090, the reference point
traversing for the machine axis must be carried out once more.
Referencing methods
Referencing with distance-coded reference marks can be performed in one of two ways:
• Evaluation of two consecutive reference marks:
MD34200 $MA_ENC_REFP_MODE (referencing mode) = 3
Advantage:
– Short travel path
• Evaluation of four consecutive reference marks:
MD34200 $MA_ENC_REFP_MODE = 8
Advantage:
– Plausibility check by NC is possible
– Increase in reliability of referencing result
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