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4 External Alarm Input/Output Device
IPC supports external alarm device, it can externally connect to alarm input/output device via "Digital
input/output".
4.1.1 Alarm Input Device (detector, sensor and so on)
Please refer to the following figure for alarm input information. See Figure 4-1.
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 5V or is idle, the device collects the
logic "1". When the input signal is grounded, the device collects the logic "0".
Figure 4-1 Alarm input
4.1.2 Alarm Output Device (alarm device, beeper and so on)
Please refer to Figure 4-2 and 4-3 for alarm output information.
Figure 4-2
Figure 4-3
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