Lutz BE10 - Off Point

47
0698-651 Operating unit - 04/2021
en
RM
9.15.2 O point
The function "O point"canbeusedtoswitchothesolenoidvalveonrelayoutput2earlyinthell-
ingprocess.Thiscanosete.g.longvalveclosingtimes.Withasecondvalveonrelayoutput1,pressure
peaks and foam formation can be avoided. A throttle element, such as a ball valve in line with the valve
disconnectedlast,toregulatetheowvolumeisbenecial.
Fig. 9 - Filling operation with two solenoid valves
Diagram 2 - Timing with early switch-on of the main valve
START Slow End
Rel. 1
Rel. 2
1.
2.
I
0
I
0
Δp
Q
t
t
t
t