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11 - VBOX II Digital inputs

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The DIGITAL I/O socket contains the two digital inputs for the VBOX II, accessed by connecting to different combinations of the three pins.

 

The first digital input is most commonly referred to as the brake trigger input. This input is connected to an internal timer capture module that is able to record precisely an event time for use in brake distance calculation. This period of time is called the trigger event time, and is logged as the value in milliseconds between the last GPS sample and the trigger event. Typically, this will be connected to a pressure switch placed on the brake pedal, however a hand-held brake trigger is also available to allow the user to record marker events for other purposes.

 

The second digital input is used to control the VBOX’s logging; a remote logging on/off switch is available for ease of use and when the front panel switch is not accessible.

 

VB20SL3

digin.png

 

 

VB20SL

digin1.png

 

 

VB2SX

digin2.png

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