FOX H
ARDWARE
M
ANUAL
- P
RELIMINARY
-
V
ERSION
1.0.0
6.1.2.4
How to use IGN pin(pin 3)
The IGN-pin has two functions:
✔
It wakes up the system FOX from the IGN-sleep mode (when sleeping),
✔
and can be used to monitor the vehicle ignition state, to report/store the
START and STOP of a trip by using the events
IO.e8=redge
and
IO.e8=fedge
for
START
and
STOP
respectively.
IGN-sleep mode is one of the eight supported energy-saving modes of operation in
which all unnecessary components are shut down. Once the device is awakened by
IGN high signal, it returns to full functionality.
Note that, the FOX device powers on automatically when external power is applied,
and IGN pin provides an additional “wake up” function for the IGN-sleep mode when it
is requested.
Using IGN pin you can configure the system to store a specific location or to deliver
an alarm SMS or TCP packet if an unauthorised entry to start your vehicle is
attempted. In such a case use the IGN generated event as a condition to start vehicle
tracking
.
NOTE: All FOX devices that are shipped by the factory with an internal battery, are entered into the IGN-
sleep mode
.
Therefore, to switch that sleep mode off and take the FOX device back to full
functionality, just connect it to the d.c.-power source and then set IGN-pin to High.
Figure 9:
Vehicle ignition monitoring by IGN line
Figure 9.1:
Use IGN line for awaking FOX from IGN-Sleep
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