Dräger Evita 4 Repair Instructions page 47

Pin Assignment
1
2 MUX (measuring signal from the
multiplexer in the sensor)
3
4
5
A
W10
J1
1 1
W3
J4
J2
W4
1
W9
W5
W6
W7
W8
1
Andros PCB
W3 = open
W4= open
W5 = open
W6= closed
W7= closed
W8= 2 - 3
W9= 1 - 2 (if applicable)
W10 = A centre (if applicable)
Fig. 25: Components mounting diagram of the Processor Board PCB
5664.500/800 Evita 4/Evita 2 dura
J1 (Connection to the sensor)
AGND
Shield
–15V
+15 V
X2
06/98
Dräger Medizintechnik
Pin Assignment
6 DGND
7 +8.5 V
8 Data (serial data connection
between the CPU and the sensor)
9 Clock for synchronization
1
X21
X1
1
1 1
X22
X4
X13
X11
X23
1
1
X10
X14
X18 X12
X19
X20
X17
X6
1
1
Dräger PCB
X10 = open
X11= closed
X12 = open
X13= open
X14= open
X17= 2 - 3 closed
X18= open
X19 = closed
X20= closed
X21= 2-3 closed
X22= open
X23= open
Repair Instructions
D
Page 47