01/2007
11.5 Axes and spindles
11-358
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
The following machine data and interface signals are important:
S MD34070: REFP_VELO_POS (reference point positioning velocity)
S MD34080: REFP_MOVE_DIST (reference point distance to zero mark)
S MD34090: REFP_MOVE_DIST_CORR (reference point offset, additive)
S MD34100: REFP_SET_POS (reference point value)
S IS: DB31, ... DBX2.4, 2.5, 2.6, 2.7 (”Reference point value 1...4”)
S IS: DB31, ... DBX60.4, DBX60.5 (”Referenced/synchronized 1, 2”)
Properties of phase 3:
S Feed override (the feed override switch) is active.
S Feed stop (channel–specific and axis–specific) is active.
S NC–Stop/NC–Start are active.
/FB1/ Description of Functions, Basic Functions,
R1 Reference point approach
Section: Referencing with incremental measurement systems
Phase 3:
Traversing to the
reference point
References
11 NCK Commissionin
with HMI Advanced