Connecting To External Devices - Avigilon 5.0MP-HD-DN Guia De Instalacion

Connecting to External Devices

External devices are connected through the I/O terminal. The pinout
for the I/O terminal is shown in the following table and diagram.
Consult the software user guide for details on how to configure the
external devices.
Table:External I/O Terminals
Pin Function
1 GND
2 RS-485 RX/TX+
3 RS-485 RX/TX-
4 Input (-)/Output A Shared pin for Input and Output.
5 Input (+)
6 Output B
Figure:
External I/O terminal schematics and example application.
Ground for RS-485 interface.
Half-duplex RS-485 interface for controlling
external equipment
The input uses a photocoupler and is
electrically isolated from the internal circuitry.
The input voltage should not exceed 12 V.
The output uses a photocoupler and is
electrically isolated from the internal circuitry.
The output terminal (A and B) connections can
be made with either polarity. The output can
drive a maximum load of 50 V and 120 mA.
RS-485
Camera
Description
6
5
+
3V
Switch
-
4
3
External Device
2
1
Relay
+
24V
-
11