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10.1
10.2
10.2.1
Bosch Motorsport
10
Analog and Frequency Inputs
Features
Analog inputs
▪ 0 to 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
Frequency inputs
▪ 5 V Hall‐effect type, 2.5 V trigger level
▪ 20 kHz max. frequency
▪ 10 ms measurement window
Analog inputs
Measurements 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
raw_name
raw_name_fi
name
name_fi
Filtered channels are routed through digital low pass filters:
▪ DDU 7 uses A/D converter oversampling and digital filtering to recording
rate
▪ Digital filters eliminate 'out‐of‐band' noise
▪ Cut‐off frequency automatically adjusted to recording rate
DDU 7 Manual
Analog and Frequency Inputs | 10
Function
mV value of sensor
Filtered mV value of sensor
Physical value of sensor
Filtered physical value
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Troubleshooting
