User guide

Rev 1.0 May.10 25
5
5: Inputs, Relay Outputs, and Power
Status
• Capturing External
Events using
Inputs
The Raven XT has special features for use in an M2M environment.
The Raven XT can be configured to monitor the input, respond to
specific types of events, and even trigger a digital output. These
features can be configured to your needs.
Capturing External Events using
Inputs
While using a special power cable with I/O, the Raven XT is equipped
with an I/O interface for use in instrumentation applications. This
includes 1 digital input and 1 digital output which can be connected,
to sensors and switches to monitor status and remotely control
equipment.
Figure 5-1: Raven XT
Digital Input
By measuring contact closures on switches, the digital input(s) can
report a simple open or closed state. Digital input(s) can be wired to
the two ground signals via a switch. When the switch is open, the
input will read “OPEN”. When the switch is closed and the input is
connected to ground, the input will read “CLOSED”.