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10 | Analog and Frequency Inputs
10.3.2
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Configuring a generic linear sensor
Example: Acceleration sensor 5 g
▪ From sensor data sheet – operating characteristics:
▪ Sensitivity 400 mV/g, Offset 2,500 mV
▪ The sensor has a linear output signal with sensitivity and offset
1. Click on 'Measurement Sources' in the Toolbox.
2. Expand the list of 'I/O Channels' by clicking on '+' in the DDU 7 Project Tree.
3. Drag the 'Sensitivity/Offset' analog signal source from the Toolbox and drop
it on the desired analog input channel in the DDU 7 Project Tree. A 'Sensitivi‐
ty/Offset Wizard' opens.
4. To activate the internal pullup‐resistor, check the box. The internal pullup‐re‐
sistor is used to get a 5 V signal at the analog channel of the DDU 7. It allows
you to use a push‐button. The fixed value of the internal pullup‐resistor is
3,010 Ohm. If using an additional external pullup‐resistor, set up the overall
resistance.
5. Click 'Next' when done.
The second part of the 'Sensitivity/Offset Wizard' opens.
DDU 7 Manual
Bosch Motorsport
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Troubleshooting
