Festo DGE Serie Instrucciones De Utilizacion página 61

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DGE−...−ZR/−SP
Note
Block−step acceleration profiles (without smoothing) cause high peaks in the
motive force that can lead to drive overload. In addition, positions outside the
permissible range may occur as a result of overswing effects. A jolt−limited
acceleration specification reduces vibrations in the entire system and has a
positive effect on stress in the mechanical system.
· Check which controller settings may be adapted (e.g. jolt limitation and
smoothing of the acceleration profile).
Positioning the limit switches:
1. Push the slide at first into a mechanical end position (W).
2. Position the slide the distance of the stroke reserve h away from the
mechanical end position (è also Fig. 29).
Stroke reserve h (h = n + r)
DGE−...
8
12
18
25
40
63
Fig. 33: Stroke reserve h
Note
Distance r only needs to be large enough to ensure reliable switching of the
safety limit switches.
If the required braking path a together with the distance r in your application is
greater than the stroke reserve intended by Festo (a+ r > h), you must increase
the stroke reserve at the cost of the effective stroke.
Festo DGE−...−ZR/−SP 0909f English
SP
ZR
27.5 mm
36.5 mm
6.5 mm
46.5 mm
10 mm
63 mm
20 mm
100 mm
30 mm
172 mm
S
W
r
n
a
h
H
61

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