1.2.3
Principle of a reference
movement
When executing a reference movement, a reference point is approached
which is defined as the zero point for the system of dimensions. All
subsequent absolute positioning operations refer to this zero point.
Reference movements can be made towards the CCW limit switch, CW
limit switch and the reference switch.
The reference movement is executed at reference speed REF_IN (par-
ameter P06). The shaft moves away from the limit or reference switch at
reference speed REF_OUT (parameter P07).
Figures 1-9 and 1-10 illustrate the principles of various reference move-
ments.
Reference speed REF_IN
Reference speed REF_OUT
M
CCW
limit switch
CW
limit switch
CCW limit switch
reference point
CW limit switch
reference point
Max. allowed
dist. limit switch
Fig. 1-9 Principle of reference
movement to limit switch
Reference speed REF_IN
Reference speed REF_OUT
CCW
limit switch
CW
limit switch
Case 1
Case 2
Reference switch
reference point
Max. allowed
dist. limit switch
Reference
switch
M
Fig. 1-10 Principle of reference
movement to reference switch
General description
WDP3-01X Ident. no.: 00441109760
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Содержание WDP3-01X
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