Lp 450-2 Level Detector Control (Ld) - Fresenius Medical Care 4008 E Technical Manual

Fig.: Signal plan P.C.B. LP 450-2
LP 450-2
US-Sender
US-Transmitter
X156
X155
US-Empfänger
US-Receiver
1
2 X154
3
Niveau heben/senken
X351
Level up/down
1
2
X160
LP 248
3
4
Optischer Detektor
Optical detector
1
X159
2
Belüftungsventil
Vent valve
1
2 X161
3
Venöse Klemme
Venous clamp
1
M X153
2
Membranpumpe
Membrane pump
X157
Potentialausgleich
Ground
Fresenius Medical Care 4008 4/09.03 (TM)
+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
Potentialausgleich / Ground
9
Klemme zu, Clamp closed = L
8
ODSA = H
7
LDA2 = H
6
OD: hell/light = dunkel/dark = L
5
Pven 0 – 10 V
4
Spiegel heben / Level up
3
Pven-Verstimmung / Pven detune
2
Belüftungsventil, auf / Vent valve, open = H
1
8.7.2 Circuit diagram and component layout diagram
P.C.B. LP 450-2 Level detector control (LD)
8-23 8-24
Fresenius Medical Care 4008 4/09.03 (TM)
P.C.B. LP 450-2
Component layout diagram