Garmin Cortex VHF and AIS Cortex Hub Installation Guide - Page 33
GPIO sensor wiring - Hatch / door open sensor
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EN GPIO sensor wiring - Hatch / door open 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 Forward Hatch 1 Security sensor Default input high Pullup enabled Active when high No, normally open +ve 12/24V RED LIGHT GREEN BROWN GRAY VIOLET BLUE BLACK PULLUP VOLTAGE INPUT/OUTPUT 5 INPUT/OUTPUT 4 INPUT 3 INPUT 2 INPUT 1 GPIO GND GPIO sensor wiring - Hatch / door open sensor Magnetic reed switch -ve 33
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EN
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GPIO sensor wiring - Hatch / door open sensor
GPIO sensor wiring - Hatch / door open 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
Magnetic reed switch
+ve 12/24V
GPIO sensor configuration example
Sensor / control name
Forward Hatch 1
Sensor / control type
Security sensor
Default input high
Pullup enabled
Active when high
No, normally open