26 Installation instructions | Dräger Interlock
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| Installation
4.4.9 Connecting the speedometer signal
Alternatively instead of the alternator D+ output, the digital speedometer signal
on Pin 16 can also be connected if this provides a frequency between 1 and 500
Hz proportional to the driven speed.
● Select the threshold of a vehicle movement from a speed of approx. 3 km/h.
Request the conversion factor from the vehicle manufacturer.