User's Manual

USR-G809 User Manual Technical Support:
h.usriot.com
Jinan USR IOT Technology Limited www.pusr.com
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3.6.2.DI Configuration
There are two DI interfaces in G809 device.
Item
Description
Default
Enable
Check: Enable DI function
Disable
Mode
ON-OFF: DI level will trigger the alarm.

High level triggers alarm

Low level triggers alarm
Counter: DI in event counter mode.

Counting rising edges
ON-OFF
Inversion
When checking “Inversion”:
In ON-OFF mode, low level triggers alarm;
In Counter mode, counting falling edges.
Uncheck
Alert triggered message
Alert message sent after DI triggered.
None
Alert canceled message
Alert message sent after DI trigger canceled.
None
Note: When in counter mode, counting continues instead of zeroing out when the trigger value is reached.
3.6.3.DO Configuration
There are two DO interfaces in G809 device.
Item
Description
Default
Enable
Check: Enable DO function.
Disable
Alert triggered action
Can set to “High”, “Low”, “Pulse”.
Low
Alert canceled action
Can set to “High”, “Low”, “Pulse”.
Low
Latency (Unit: ms)
DO output alert delayed, set to 0 means output alert
immediately. (Can set to 0~30000ms)
100
Default state
Default level of DO, can be set to “High” or “Low”.
Low