Bosch DDU 7, Manual

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Display Unit DDU 7 Analog and Frequency Inputs | en 91
Bosch Motorsport Manual 04.02.2019 | V 02 |
Check the box to force the
channel’s quantization if the
quantization should be a
fixed value in the whole CAN
system
Choose data type of the
measurement variable
Enter name to automatically
create a new measurement
sheet
5. Click ‘Finish’ when done.
6. Enter channel name and description.
7. Click ‘OK’ when done.
The channel is inserted into the DDU 7 Project Tree.
Calculation of hysteresis
channel
Available
measurements
for channel
Channels
available in
Computed
Sources
10.5.1 Special functionality: vehicle speed
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.
10.5.2 Setting up calculated speed
1. Click on tab ‘System Overview’.
2. Click on ‘Measurement Sources’ in the Toolbox.