Detailed Description
2.4 Referencing with incremental measurement systems
Reference Point Approach (R1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-9
Case 2: The machine axis is positioned on the reference cam
The machine axis remains at its starting position.
Phase 1 now complete. Reference point approach is continued with Phase 2.
Case 3: The machine axis has no reference cam
Machine axes without reference point cams remain at their starting position.
These include, for example:
• Machine axes that only have one zero mark along their entire traversing range
• Rotary axes that only have one zero mark per revolution
Zero must be entered in the following machine data for machine axes without a reference
point cam:
MD34000 $MA_REFP_CAM_IS_ACTIVE (axis with reference cam) = 0
Phase 1 is now complete. Reference point approach is continued with Phase 2.
Phase 1: Features
• Feed override active.
• Feed stop (channelspecific and axisspecific) is active.
• NC-STOP and NC-START are active.
• If in Phase 1 the machine axis does not reach the reference cam:
DB31, ... DBX12.7 (deceleration of reference point approach) = 1
within the assigned distance:
MD34030 $MA_REFP_MAX_CAM_DIST (maximum distance to the reference cam),
the machine axis is stopped.
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