Basic Sensor Mode
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 A.218:
Basic sensor mode block diagram
Supported sensors
Voltage output sensors using voltage excitation like Force, Pressure, MEMS
-
type
Accelerometers and Potentiometric Displacement transducers
Sensor excitation modes
Constant voltage
Constant voltage excitation
Selectable excitation voltage
Bipolar
±
0.5 V to
±
5.0 V DC, maximum 30 mA
Excitation voltage in
-
accuracy
±
0.25%
Excitation voltage sense
2 separate connector pins available, wiring required (no internal bypass)
TEDS support
Class 2 and 3 (no software support at release date)
Basic Sensor Mode Wire 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 A.219:
Recommended basic sensor connection
GEN3t
I3995-3.1 en HBM: public
683