Garmin Cortex VHF and AIS Cortex Hub Installation Guide - Page 30

GPIO sensor wiring - Motion sensor

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EN GPIO sensor wiring - Motion sensor An external Pullup voltage connection is recommended when connecting GPIO sensors to the Cortex Hub. When a sensor does not provide more than 2V, the Pullup provides an appropriate high level reference for the Cortex Hub's input. GPIO sensor configuration example Sensor / control name Sensor / control type Default input high Active when high Cockpit Motion 1 Security sensor Pullup enabled Yes, normally closed +ve 12/24V RED LIGHT GREEN BROWN GRAY VIOLET PULLUP VOLTAGE INPUT/OUTPUT 5 INPUT/OUTPUT 4 INPUT 3 INPUT 2 V + V - C NC BLUE INPUT 1 BLACK GPIO GND -ve 30 GPIO sensor wiring - Motion sensor

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EN
GPIO sensor wiring - Motion sensor
30
GPIO sensor wiring - Motion sensor
An external Pullup voltage connection is recommended when connecting GPIO
sensors to the Cortex Hub. When a sensor does not provide more than 2V, the
Pullup provides an appropriate high level reference for the Cortex Hub’s input.
LIGHT GREEN
BROWN
GRAY
VIOLET
BLUE
BLACK
INPUT 3
INPUT 2
INPUT 1
GPIO GND
RED
PULLUP
VOLTAGE
INPUT/OUTPUT 5
INPUT/OUTPUT 4
+ve 12/24V
-ve
V +
V -
C
NC
GPIO sensor configuration example
Sensor / control name
Cockpit Motion 1
Sensor / control type
Security sensor
Default input high
Pullup enabled
Active when high
Yes, normally closed