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13 | Lap Trigger
13.1.2 Prevention of false triggers
13.1.3 Forced triggers
13.1.4 Setting up a lap trigger
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Two types of trigger signal:
– Main trigger (end‐of‐lap at start/finish line)
– Sub‐trigger (segment time, optional, not applicable with GPS lap trigger)
Bosch standard:
– Main trigger 20 ms, low active (Recommendation for RaceCon "Detecion Time" set-
ting: 15 ms, Setting must be a slightly shorter period than the signal length of the
trigger to avoid a missed trigger due to the update rate)
– Sub trigger 40 ms, low active (Recommendation for RaceCon "Detecion Time" setting:
30 ms)
– Race track topology and transmitter location frequently cause false triggers.
– Software functionality prevents acceptance of false triggers.
– Minimum vehicle speed for acceptance of trigger prevents false triggers while vehicle
is stationary in the pits.
– Time based re-trigger protection prevents false triggers due to signal reflections on
main straight.
– Lap distance based retrigger protection prevents false triggers due to track topology.
Lap distance based insertion of 'forced trigger'.
Under race conditions, trigger signals are sometimes missed. Software functionality intro-
duces 'forced trigger'.
1.
Click 'Measurement Sources' in Toolbox.
2.
Drag 'Laptrigger' into 'System Overview' and drop it on vehicle. Do not drop it on 'C
60'!
Data Logger C 60
Bosch Motorsport
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