Function modules
8.8 Basic positioner
Drive functions
524 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
The probe pulse is used to supply connector input p2660 (referencing measured value) with
the measured value via parameter r2523. The validity of the measurement is reported to
binector input p2661 (measurement valid feedback) via r2526.2.
Note
The following must always apply to the "Flying referencing mode" windows:
p2602 (outer window) > p2601 (inner window).
You can obtain more information on the "Flying referencing" function in the SINAMICS
S120/S150 List Manual in funct
ion diagram 3614.
The following then happens:
● If the drive has not yet been referenced, status bit r2684.11 (reference point set) is set to
"1".
● If the drive has already been referenced, status bit r2684.11 (reference point set) is not
reset when starting flying referencing.
● If the drive has already been referenced and the position difference is less than the inner
window (p2601), the old actual position value is retained.
● If the drive has already been referenced and the position difference is more than the outer
window (p2602), alarm A07489 (reference point offset outside window 2) is output and
the status bit r2684.3 (pressure mark outside window 2) set. No offset to the actual
position value is undertaken.
● If the drive has already been referenced and the position difference is more than the inner
window (p2601) and less that the outer window (p2602), the actual position value is
offset.
-the-fly referencing is superimposed on an active operating mode, it is therefore not an
trast to reference point approach, flying referencing can be carried out superimposed
As standard, for flying referencing, measuring probe evaluation is used; when enabled, the
measuring probe is selected (p2510) and the edge evalua
tion (p2511) (in the factory setting,
measuring probe 1 is always the measuring probe, flank evaluation in the factory setting is
always the 0/1 edge).
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