Dahua DH-IPC-HDBW4231FN-E2-M Panduan Memulai Cepat - Halaman 8
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Halaman Cetak
No.
Port name
4
Alarm I/O
5
Power input
Port
Alarm I/O
1.2 Connecting Alarm Input/Output
The camera can connect to external alarm input/output device through digital input/output port.
Alarm input/output is available on select models.
Step 1
Connect alarm input device to the alarm input end of the I/O port.
Device collects different states of alarm input port when the input signal is idling and
being grounded.
● Device collects logic "1" when input signal is connected to +3 V to +5 V or idling.
● Device collects logic "0" when input signal is grounded.
Step 2
Connect alarm output device to the alarm output end of the I/O port. The alarm output is
open-drain output, which works in the following modes.
Description
Includes alarm signal input and output ports, and the number
of I/O ports might vary on different devices. For detailed
information, see Table 1-3.
Inputs 12 VDC power. Be sure to supply power as instructed in
the manual.
Device damage might occur if power is not supplied correctly.
Table 1-3 Alarm information
Port Name
ALARM_OUT
ALARM_OUT_GND
ALARM_IN
ALARM_IN_GND
Figure 1-2 Alarm input
Description
Outputs alarm signal to alarm device.
When connecting to alarm device, only the
ALARM_OUT port and ALARM_OUT_GND port with
the same number can be used together.
Receives the switch signal of external alarm source.
Connect different alarm input devices to the same
ALARM_IN_GND port.
2
Quick Start Guide