Bosch DDU 7, Manual

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Display Unit DDU 7 Analog and Frequency Inputs | en 77
Bosch Motorsport Manual 04.02.2019 | V 02 |
10 Analog and Frequency Inputs
10.1 Features
24 analog inputs with Software Upgrade 2; 4 analog inputs without upgrade
–
0 … 5 V
– 12 bit A/D converter
– Switchable 3.01 kOhm pull-up resistor
– 8 kHz acquisition rate, up to 1 kHz recording rate
– Linear phase digital filter
4 frequency inputs with Software Upgrade 2; no frequency inputs without upgrade
–
5 V Hall-effect type, 2.5 V trigger level
– 20 kHz max. frequency
– 10 ms measurement window
4 PWM outputs
–
Low-side switch
– Up to 2 A each
– Output frequency selectable
10.2 Analog inputs
Measurement channels
For each analog channel, several ‘subchannels’ are available.
Measurement labels with the characters ‘raw’ show the exact values in mV.
Measurement labels with the characters ‘_fi’ show filtered values.
The word ‘name’ in the table is a placeholder for the channel’s name.
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
Filtered channels are routed through digital low pass filters: