ADEUNIS LoRaWAN Smart Building COMFORT Guide Utilisateur page 45

LoRaWAN Smart Building COMFORT - Guide utilisateur / User guide version V2.1.1
2.3.1.02 Sending on exceeding threshold
The device allows detection of exceeding threshold (high and low) for each sensor according to the following schema: The device sends a data
frame when a threshold is exceeded but also when returning to normal.
E.g.:
Value
< (high
threshold -)
YES
High alarm off
Register Value encoding
S301 Decimal
S321 Decimal
S330 Decimal
S331 Decimal
S332 Decimal
S340 Decimal
In this example:
• The device takes temperature and humidity every 10 minutes
• The device will trigger an alarm if the temperature is above 24°C, no alarm indicated for humidity
• The alarm will be disabled if the temperature drops below 22°C
NOTE: As described in 2.1.5 it is possible to combine the periodic mode and the alarm mode.
NO
High alarm
off?
YES
Value >
High thresh-
old
YES
High alarm on
Value
0
300
2
240
20
0
Product in standby
Period of
No
acquisition
reached?
YES
Measure of tempera-
ture & humidity
Send frame 0x4D
Result
Event mode (no periodicity)
One reading every 10 minutes (300/60 sec x 2)
Alarm type for high threshold temperature
Temperature at + 24°C (240/10)
Hysteresis at 2°C (20/10) below the high threshold of 22°C
Humidity alarm off
NO
Low alarm
(low thresh-
off?
YES
Value <
Low thresh-
old
YES
Low alarm on Low alarm off
FR
EN
Value >+
old +)
YES
Page 45 of 51