6 11
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
12
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, drive
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
0,25xPc.14
ADEF
t
0
1
X2.4
t
0
1
X2.5
BC