Acti D21FA User Manual download pdf (Page 18)

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Hardware Manual

Typical Connection

Based on these specifications, if the DI device has a voltage of 0V ~ 30V or the DO device has a

voltage of < 24V (< 50mA), then the camera can supply internal power to these devices and there

is no need to connect the DI/DO device to an external power source.

Use the DIO GND and DI pins to connect a DI device and use the DIO PW and DO pins to

connect a DO device. See wiring scheme below:

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).

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Acti D21FA User Manual Page 18