Alarm I/O - Dahua NVRPRO User Manual

Parameter Function
Normal The corresponding alarm output channel when alarm occurs.
Out
For 1U series product, there are three channels.
For 2U series product, there are six channels. The 6
controllable +12V alarm output.
Latch The alarm output can delay for the specified time after alarm stops. The
value ranges from 10s to 300s.
Record After you selected the disk connection option, once the device is offline,
channel the activated channel can begin alarm record.
Record System can delay the record for specified time after alarm ended. The
latch value ranges from 10s to 300s.
Send If you enable this function, system can send out email to alarm the
email specified user.
Show Once you check the box to enable this function, system can display the
message alarm icon on the right of the channel name at the local end.

8.3.3.3 Alarm I/O

Here you can search alarm output status. See Figure 8-40.
Important
The alarm output port should not be connected to high power load directly (It shall be less than 1A)
to avoid high current which may result in relay damage. Please use the co contactor to realize the
connection between the alarm output port and the load.
Please refer to the following sheet for detailed information.
Figure 8-40 Alarm I/O Configuration
th
channel is the
110