Transmission On Overpassed Threshold With Alarm Repetition - ADEUNIS Sigfox BREATH PM1 Guide Utilisateur

Sigfox BREATH - Guide utilisateur / User guide version V1.0.0

2.3.3 Transmission on overpassed threshold with alarm repetition

The product can repeat the alarm if the threshold is overpassed during a determined period (register S321 and S322).
Standby
PM & TVOC
measure
Alarm
activated ?
Yes
Send frame 0x6E
Alarm repeti-
tion activated
?
Yes
Frame repetition 0x6E
configured in S322
Come back to
normal?
Yes
Send frame 0x6E
Associated parameters are :
• Activation of the alarm repetition (register S321),
• Period of the alarm repetition (register S322),
• Threshold for TVOC (registers S330 to S332),
• Threshold for PM10 (registers S340 to S342),
• Threshold for PM2.5 (registers S350 to S352),
• Threshold for PM1 (registers S360 to S362).
Example:
No
Register Encoding
S321 Decimal
S322 Decimal
S330 Decimal
S330 Decimal
S340 Decimal
S341 Decimal
No
S342 Decimal
S350 Decimal
S351 Decimal
S352 Decimal
S360 Decimal
In this example:
• The product send an alarm if:
• the PM10 value measured is higher than 50 µg/m3
• and/or PM2.5 value measured is higher than 25 µg/m3
No
• Until the alarm is active (threshold still overpassed) the alarm is repeated every 10
minutes.
• The alarm is deactivated if:
• the PM10 value measured is lower than 45 µg/m3
• and/or PM2.5 value measured is lower than 23 µg/m
Value Result
1 Alarm repetition is activated
600 Alarm repetition is done every 10 minutes (600
seconds)
0 Alarm TVOC deactivated
0 No alarm for TVOC
1 Alarm activated for PM10
50 50 µg/m3 threshold for PM10
5 5 µg/m3 hysteresis for PM10
3 Alarm activated and LED activated for PM2.5
25 25 µg/m3 threshold for PM2.5
2 2 µg/m3 hysteresis for PM2.5
0 No alarm for PM1
FR
EN
Page 47 of 52