Festo VPEV-1/8-M12 Operating Instructions Manual page 18

VPEV-1/8-M12
Setting the hysteresis
6. Pressurize the VPEV-1/8 with the desired upper switching vacuum vo
(e.g. - 0.70 bar, vo = vu + Hy).
The minimum and maximum hystereses which can be set are shown in Fig. 12
and Fig. 13.
The continuity tester still does not react.
7. Turn the adjusting bolt 5 in an anti-clock-
wise direction until the continuity tester
reacts.
a) setting range when used as a vacuum
switch
b) setting range when used as a
pressure switch (conversion
described in the section 'Fitting
pneumatic components')
Festo 0007NH– English
Fig. 11
Fig. 12
Fig. 13
18