Flow Threshold Alarm Transmission - ADEUNIS ARF8230AA Guide Utilisateur

LoRaWAN 863-870 Pulse - Guide utilisateur / User guide version V2.0.0
2.2.3

Flow threshold alarm transmission

The product allows the detection of the exceeding of a flow threshold for each counting entry according
to the following scheme:
FR
EN
The flow rate corresponds to the number of pulses of the flow calculation period divided by the same
period. It is expressed in pulses / hour.
The alarm message (frame 0x47) is transmitted once, there is no new transmission if the flow rate re-
turns above the threshold as long as the alarm remains active. The alarm is automatically deactivated
after the daily frame is sent.
Product in standby
Flow calcu-
No
lation peri-
od reached
?
Yes
Calculation of flow
Value
<(min flow
24h)
Yes
Saving the new
min flow on 24h
threshold)
Send frame 0x47
Detected and
validated
pulse
?
Counting
of the impulse
Value
No
>(max flow
24h)
Saving the new
max flow on 24h
No
Value >
(alarm
Yes
No
Yes
No
Yes
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