Dahua H-IPC-HF81230E Panduan Memulai Cepat - Halaman 10
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Set the WEB alarm output. The alarm output 01 is the alarm output port of the device rear panel
I/O port (as the NO port).
1.4.1 Alarm Input and Output Connection
Please refer to the following figure for alarm input information. See Figure 1-6.
Alarm input: When the input signal is idle or grounded, the device can collect the different
statuses of the alarm input port. When the input signal is connected to the 3.3V or it is idle, the
device collects the logic "1". When the input signal is grounded, the device collects the logic "0".
Please refer to the following figure for alarm output information. See Figure 1-7.
Port NO and Port C composes an on-off button to provide the alarm output.
If the type is NO, this button is normal open. The button becomes on when there is an alarm
output.
If the type is NC, this button is normal off. The button becomes off when there is an alarm output.
1.4.2 IR Light Connection
Note:
It needs to meet the following requirements before using IR light sync function:
Device shall have external port for IR function.
Log in Web, select Setup -> Camera -> Day&Night, and select "sensor input". If it is not
available, then you don't need to configure it.
Please refer to the following figure for external IR light information. See Figure 1-8.
IR synchronization input signal. When the external IR light is on, the signal cable on the light
board outputs 3.3V/1mA. It outputs 0V when the IR light is off.
Figure 1-6
Figure 1-7
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