8
Please refer to the following figure for alarm input information. See Figure 2-5.
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 is idle, the device collects the logic
“1”. When the input signal is grounded, the device collects the logic “0”.
Figure 2-5 Alarm input
Please refer to the following figure for alarm output information. See
Figure 2-6.
Port ALARM_C and Port ALARM_NO composes an on-off button to provide the alarm output.
If the type is NO, this button is normal open. The button becomes off when there is an alarm output.
Figure 2-6 Alarm output
