4. Set alarm output on the WEB, the alarm output is corresponding to the alarm output of the
device, that is, the alarm output port of the I/O port cable.
The following figure shows Alarm input.
Figure 1-4 Alarm input
Alarm input: When the input signal is idle or grounded, the device can collect the different
statuses of the alarm input port. The input signal is connected to 3.3V or it is idle, the device
collects the logic “1”. When the input signal is grounded, the device collects the logic “0”.
The following figure show Alarm output.
Figure 1-5 Alarm output
Alarm output: ALARM_OUT port and ALM_OUT_GND port form a switch, which is used to
provide alarm output. Normally the switch is on, and it will be off when there is alarm output.
