User guide

AirLink Raven XE HSPA User Guide
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Figure 5-2: Digital Input Contact Closure
Examples of using the input with a switch to ground are:
• When a door or other latch is opened or closed.
• When counting pulses or other electronic events.
• When a gauge reaches a certain point.
• When a container fills or empties.
• When a switch or valve is opened or closed.
• When the tow bar is raised or lowered.
• When connected to a sensor, the level of fuel in a vehicle.
• When the trunk of a vehicle is opened or closed.
• When the ignition is turned on or off.
Digital Output
Figure 5-3: Digital Output
Digital I/O
Ground
Contact Closure
Digital Input