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Chapter 11: Functional description
11.2.7 P.C.B. LP 450-2 Air detector control (LD)
Fig.: P.C.B. LP 450-2 signal diagram
US-Sender
US-Transmitter
US-Empfänger
US-Receiver
Niveau heben/senken
Level up/down
LP 248
Optischer Detektor
Optical detector
Belüftungsventil
Vent valve
Venöse Klemme
Venous clamp
M
Membranpumpe
Membrane pum p
Potenzialausgleich
Ground
11-50
LP 450-2
X156
X155
1
2
X154
3
X351
1
2
X160
3
4
1
X159
2
1
2
X161
3
1
X153
2
X157
Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13
+24V
20
+24V
19
0 (24V)
18
0 (24V)
17
+12V
16
0 (12V)
15
LDA1 = L
14
Niveau senken / Level down = H
13
Dialyse Start / Dialysis start = H
12
n.c.
11
LDSA = H
10
Potenzialausgleich / Ground
9
Klemme u
8
ODSA = H
7
LDA2 = H
6
OD hell / light =
5
Pven 0 10 V
4
Spiegel heben / Level up
3
Pven-Verstimmung / Pven detune
2
Belüftungsventil auf / V ent valve open = H
1
lamp closed = L
dunkel / dark = L
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