Using the digital input
19
EN
Using the digit-
al input
The input IN 1 can be used for reading
information from a digital tachograph,
recording digital inputs e.g. for a digital
logbook with the help of a switch, and much
more. In TomTom WEBLEET you can select to
use the input either for a logbook or for other
digital input.
Connecting to digital tachograph
You can collect the time spent driving, resting
and working from a digital tachograph by
connecting it to your LINK 300/310 via the
digital input IN 1. Connect the input IN 1 of the
LINK 300/310 to PIN D 8 of the digital
tachograph.
Important!
Make sure that the ground potential of the LINK 300/
310 is identical to the gound potential of the digital
tachograph.
If the tachograph with the covered connectors is
sealed, the seal must only be removed by an
authorised tachograph installer.
Using the input for idle time reporting
LINK 300/310 can report idle times to
WEBFLEET when the engine is running for
longer than five minutes and the vehicle is not
moving. This requires configuration in
TomTom WEBFLEET.
The input IN 1 must be connected to a signal
indicating the activity of the engine, e.g.
alternator, engine, etc. The input IN 1must be
active when the engine is running. See section
“Wiring the input” for detailed information on
how to connect the relevant signal to IN 1.
Wiring the input
The Input IN 1 of the LINK 300/310 operates
according to the principle of a voltage
detector. Voltages below 2 Volts are
definitively interpreted as being low and
voltages higher than 3 Volts are definitively
interpreted as being high. The maximum
GND
Tachograph
15
26
37
48
C
15
26
37
4
8
D
15
26
37
48
B
15
26
37
48
A
LINK 300/310
IN 1 GND
IG_EN.book Page 19 Friday, June 10, 2011 3:26 PM
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