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10.5.12
Axis homing
referencing
When referencing a machine axis, the actual position value system of the machine axis is
synchronized with the machine geometry. Depending on the encoder type used, the machine
axis is referenced with or without traversing movements.
Reference point approach
For all machine axes which are not equipped with an encoder providing an absolute actual
position value, referencing is carried out by traversing the machine axis to a reference point;
this is called the reference point approach.
The reference point approach can be carried out either manually in JOG mode, submode
REF, or using a parts program. Reference point approach is started using traverse direction
keys PLUS or MINUS (depending on the parameterized reference point approach direction).
10.5.12.1 Incremental measuring system
Incremental measuring systems
With incremental measuring systems, referencing is carried out using a reference point
approach divided into 3 phases:
1. Traversing to the reference cam
2. Synchronizing to the encoder zero marker
3. Approach reference point
CNC Part 1 (NCK, PLC, drive)
Commissioning Manual, 11/2006, 6FC5397-2AP10-2BA0
NCK start-up
10.5 Parameterize axis data
149
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