Bosch IMSA Prototype Classes Scrutineering System - Message Bus

7 | Display Pages
22 / 47 IMSA Prototype Class Scrutineering Logger Bosch Motorsport
Engine Speed*
nmot_imsa
20
Scrutineering sensor reported engine speed
Flow meter calibration
b_FFMService
200
Flow meter calibration required
Lambda Integral
lam_integral
200
Live lambda integral
Low Lambda Counter
lam_LowLamCtrOuting
200
Low lambda counter
High Lambda Counter
lam_HighLamCtrOuting
200
High Lambda Counter
* Denotes DPi only
**Denotes turbocharged DPi only
6.3 Message Bus
Manufacturers may specify which bus (ECU or team) the team transmitted
messages are received on.
6.4 DBC file
A DBC file for the transmitted and received channels is available at IMSA.com and
bosch-motorsport.com.
7 Display Pages
There are two pages on the display. A mechanic page used for IMSA safety checks
and sensor installation verification is displayed when the vehicle is stationary. A
driver page with alarms and information for the driver is shown while the vehicle is
moving.
7.1 Driver Page
7.1.1 Standard
While on track the DDU9 display will look as shown below. The laptime shown is
calculated internally by the DDU9 and is not the timing and scoring laptime.