Bosch C 70 Manual page 26

5 | Analog and Frequency Inputs
5.4.1 Special functionality: Vehicle speed
5.4.2 Setting up calculated speed
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This functionality allows:
– high performance vehicle owners to measure wheel spin under acceleration and
wheel slip/lock under braking.
– calculating vehicle 'speed over ground'.
Vehicle speed calculation function
– Calculating vehicle speed of 2 wheel drive: (Wheel speeds of non-driven axle as input)
Calculated speed is average of both speeds if speed difference between wheels <
limit.
Calculated speed is maximum of both speeds if speed difference between wheels >
limit.
– Calculating vehicle speed of 4 wheel drive: (Wheel speeds of all wheels as input)
Calculated speed is speed of 2nd fastest wheel.
1. Click on tab 'System Overview'.
2. Click on 'Measurement Sources' in the Toolbox.
3. Drag the 'Speed' computed source from the Toolbox and drop it on the project name
in the C 70 Project Tree. Do not drop it on 'C 70'!
A 'Calculated Speed Wizard' opens.
Data Logger C 70 Manual
Drag + Drop
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