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Bosch IMSA Prototype Classes Scrutineering System User Manual

Bosch IMSA Prototype Classes Scrutineering System
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Analog and Frequency Inputs | 12
Bosch Motorsport DDU 9 91/148
DDU 9 filters have constant, frequency independent delay
Delay (e.g. 22 samples at 10 ms) is corrected during recording
No delay filtered vs. unfiltered in recorded data
Correction is (of course) not possible for real time data (display, online, PWM out)
Use filtered data for recording, use unfiltered data for real-time
12.2.6 Configuring a frequency input
Example: measurement of wheel speed
Pulse wheel attached to wheel
Each passing tooth of pulse wheel triggers hall sensor
Calculation of wheel speed with wheel circumference
1. Click on ‘Measurement Sources’ in the Toolbox.
2. To expand the list of ‘I/O Channels’, click on the ‘+’ in the DDU 9 Project Tree.
3. Drag the ‘Velocity’ digital signal source from the Toolbox and drop it on the desired
‘REV’ input channel in the DDU 9 Project Tree.
Drag + Drop
The ‘Velocity Wizard’ opens.
4. Select the sensor type. The DDU10 works with Halleffect and DF11 sensors.

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Bosch IMSA Prototype Classes Scrutineering System Specifications

General IconGeneral
BrandBosch
ModelIMSA Prototype Classes Scrutineering System
CategoryMonitor
LanguageEnglish

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