Axis P13 Serie Guide D'installation page 18

Page 18
I/O terminal connector - Used in applications for e.g. motion
detection, event triggering, time lapse recording and alarm
notifications. In addition to an auxiliary power and a GND pin, it
provides the interface to:
• 1 digital output – For connecting external devices such
as relays and LEDs. Connected devices can be activated
by the VAPIX® Application Programming Interface (API),
by the output buttons on the Live View page or by an
Event Type. The output will show as active (shown under
Events > Port Status) if the alarm device is activated.
• 1 digital input – An alarm input for connecting devices that can toggle between an open
and closed circuit, for example: PIRs, door/window contacts, glass break detectors, etc.
When a signal is received the state changes and the input becomes active (shown under
Events > Port Status).
Function Pin Notes
GND 1 Ground
3.3 V DC 2 Can be used to power auxiliary equipment.
Power Note: This pin can only be used as power out.
Digital 3 Connect to GND to activate, or leave floating
Input (unconnected) to deactivate.
Digital 4 Uses an open-drain NFET transistor with the source
Output connected to GND. If used with an external relay, a
diode must be connected in parallel with the load,
for protection against voltage transients.
The following connection diagram gives an example of how to connect an auxiliary device to the
network camera.
3.3V
max. 50mA
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2
3
4
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AXIS P13 Series Installation Guide
Pin 4
Pin 2
Pin 3
Specifications
Max load = 50 mA
Min. input = -40 V DC
Max. input= +40 V DC
Max. load =100 mA
Max. voltage = + 40 V DC
E.g. push button
Pin 1