4.2.2.
Troubleshooting
Table 8 - I2C/UART backboard LEDs troubleshooting
4.3.
Electrical characteristics
Table 9 - TeraRanger Evo People Counter
power consumption
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©
Terabee 2021
Terabee, 90 Rue Henri Fabre
01630, St Genis-Pouilly, France (next to CERN)
14/19
LED
designator
Sequence
Signification
Corrective actions
RED
Continuous
blinking
Sensor has detected a fault
and has stopped functioning
Check that the sensor is
properly connected to
the
backboard,
then
restart the sensor
RED /
GREEN
Both LEDs
blinking
continuously
Sensor has detected a fault
with the sensor initialization
process
Check I2C/UART output
for details of the error
Verify that the sensor is
properly connected and
restart
Parameter
Minimum
Maximum
Average
Power supply
Voltage input (V)
Current consumption (mA)
4.5V
25mA
5.5V
75mA
5V
50mA
Interface logic levels
(referenced to +3V3)
LOW
HIGH
-
2.3
1
-
-
-
