Chapter 29: Control Surface Reference 241
Wiring a Logic Signal to Drive GPI
GPI Output Examples
The following diagrams depict wiring examples for a cus-
tomer-provided DB25 male connector, to connect to the fe-
male GPI Output connector on D-Show Profile.
GPI Output Driving a Relay to Illuminate a Light
GPI Output Driving and Powering an LED
GPI Output Driving an Externally Powered LED
Ground reference needed
between systems.
1
14
DB25F
External
Power
Supply
No ground reference needed
between systems.
1
24
14
9
DB25M
1
24
DB25M
14
9
Connect one side of the
relay to Ground.
DB25M
1
14
External
Power
Supply
+
–
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