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KEB COMBIVERT F4-F
14
Name: Basis
17.06.99
Chapter
Section
Page
Date
©
KEB Antriebstechnik, 1999
All Rights reserved
Functional Description
Positioning Module
Like example 2, but opposite to preferred direction.
Eample 3
X2.4
X2.3
v
REF
1
2
X2.5
3
4
A:
Starting reference point approach
B:
Brought in position at limit switch
C:
Brought in position at reference switch
D:
Reference switch cleared, dr ive
reverses and reference switch is
approached again in preferred direction
E:
Reference switch cleared
F:
Encoder to reference marking
1:
Original positioning
2:
Brought in position at limit switch
3:
Brought in position at reference point switch
4:
Position after reference point approach
Fig. 6.11.15.b Reference point approach example 3
+v
REF
-v
REF
t
Pc.14
Pc.14
0,25 x Pc.14
A
D
E
F
t
0
1
X2.4
t
0
1
X2.5
B
C