Festo DGE ZR-RF Série Notice D'utilisation page 42

DGE−...−ZR−RF
Use switching cams of length d (see Fig. 27).
S
Compare these paths on the basis of the following condition:
S
Braking path n which can be achieved at the maximum speed (ascertain:
empirically under load or calculated from the motor braking torque)
Switching path s of the SIE−... (see table).
DGE−...−ZR−RF
...−25−...
...−40−...
...−63−...
Fig. 29
Make sure that this condition is fulfilled: n < s.
S
Only in this way can you avoid states with undefined positions after incorrect
programming of the product.
If there are deviations with n > s:
Use sensors as reference and hardware limit switches in accordance with the
S
chapter Accessories."
Fastening the sensor support (only with size 25):
, Use hammer−head bolts as fastening
S
elements in the groove. These require
the recess in the cover as a guide chan
nel. You can clamp the hammer−head
bolts into position by turning them 90°.
42
Switching path s
97 mm
159 mm
222 mm
Fig. 30
Festo DGE−...−ZR−RF 0707b English