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Valve switching frequency
V = Vacuum
V On = Vacuum on
Evacuation time
T1
V = Vacuum
V On = Vacuum on
Ejector variant NO control
1
=
“Suction” [IN 1]
2
=
“Blow-off” [IN 2]
3
=
“Suction” state
4 =
“Blow-off”
state
Ejector variant NC control
1
=
“Suction” [IN 1]
2
=
“Blow-off” [IN 2]
3
=
“Suction” state
4 =
“Blow-off”
state
Handling cycle with dynamic pressure measurement and medium leak rate
V = Vacuum
A = Suction
B = Blow-off
C = Neutral
1 = Condition Monitoring
2 = Evacuation time t
0
3 = Evacuation time t
1
4 = Dynamic pressure
5 = Leakage
6 = Air consumption
7 = Electrical energy consumption
4
1
1
2
3
4
0
1
0
0 bar
p
0 bar
p
5
1
1
2
3
4
0
1
0
0 bar
p
0 bar
p
V
t
H1
H1-h1
H2
H2-h2
t
0
t
1
t
1
t
0
>1s
1
2
3
4
5
6
7
A
B
C
A
8
6
V
mbar
time
s
>6/3s
V On
H1
H1-h1
H2
H2-h2
7
V On
V
mbar
time
s
H1
H1-h1
H2
H2-h2
t
1
t
0
Содержание ECD-IV
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