Basic sensor and cabling
TEDS Class 3
Sensor
TEDS
Class 2
optional
Basic sensor
Amplifier
-1
Excitation
Sense (-)
Excitation (-)
Sense (+)
Excitation (+)
Signal (-)
Signal
10 MΩ
10 MΩ
(+)
Signal ground
TEDS
Control
Teds (+)
Teds (-)
+
-
+V
-V
TEDS class 2/3
Signal conditioner
+
-
+
-
U
excit
Figure 12.51:
Basic sensor mode block diagram
10
2
3
4
5
6
7
8
9
11
14
13
12
1
Sense (-)
Excitation (-)
Sense (+)
Excitation (+)
Signal (-)
Signal (+)
Signal ground
White
Red
Drain wires
Grey
Green
Black
Blue
Foil shield
Earth shield
11
1
12
2
7
4
8
Housing
Drain wire
Foil shield
KAB7.5/00-2/2/2
LS 2
Sensor
Use double shielded wires to reduce high frequency noise
GN1640B
GN840B
Keep wire length < 5 cm
Figure 12.52:
Recommended basic sensor connection
GEN3t
320
I3995-3.1 en HBM: public
