Analog and Frequency Inputs | 12
Bosch Motorsport
DDU 9
83 / 148
Input pin Pull-up
resistor is
activated
Sensivity and
Offset value
for sensor
Adjustment
is enabled
Channel is linked
to ANA04
Pin Diagnosis
Name and
Description
editable
Available measurements for channel:
Measurement label
Function
raw_
name
mV value of sensor
raw_
name
_fi
filtered mV value of sensor
name
physical value of sensor
name
_fi
filtered physical value
12.2.3 Configuring a generic nonlinear sensor
Example: Thermistor 5 kOhm
– From sensor data sheet - resistance values over temperature:
– The sensor has a nonlinear behavior
– Use characteristic curve for linearization
– Input voltage is the ratio between pull-up resistor and thermistor
Pin
Thermistor
+5V
3 kOhm
1.
Click ‘Measurement Sources’ in the Toolbox.
2.
To expand the list of ‘I/O Channels’, click on ‘+’ in the DDU 9 Project Tree.
3.
Drag the “Characteristic Curve” analogue signal source from the Toolbox and drop it
on the desired analogue input channel in the DDU 9 Project Tree.