Acti B51 Manual do Utilizador descarregar pdf (Página 18)

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Hardware Manual

High Voltage DO Device Connection

Even though the camera provides 12V power, this may not be enough for some high voltage DO

devices, such as a ceiling light or a motor that opens or closes a gate. In this case, there is a

need to connect an external relay. See wiring scheme below:

Note that when choosing an appropriate relay, please refer to its specifications and make sure

they match the above design. The triggering circuit voltage has to be around 12V DC and the

switch-controlled circuit voltage has to match the external power supply (e.g. 110V AC or 220V

AC).

The illustration below is a graphic example of connecting a relay to a high voltage DO device.

Relay

(DO1 Device)

)

Camera

Illuminator

110V-220V AC

External Power

Source

NOTE: For more information on DI/DO connections, please refer to the Knowledge Base

article All about Digital Input and Digital Output downloadable from the link below

(http://www.acti.com/kb/detail.asp?KB_ID=KB20091230001).

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Acti B51 Manual do Utilizador Página 18