10
Example
–
uplink containing 2 messages
If there are more than 1 message in an uplink they are simply one after another.
Bytes (hex):
01 0E 0A 01 00 3B 98 09 B0 0B AD 0D E3 FB 78 05 00 0C 0B 53 4B 83 01 00 16 59 50 AA AE BA
Interpretation:
Bytes (hex)
Name
Meaning
01
Protocol version
01
–
Version
0E
Message length
Message length 14, excluding length field.
0A
Message type
Type 10 = measurement data
01 00
Measurement
format
Always 1
3B
Measurement flags Which of the measurement fields are included.
0x3B = 0011 1011, meaning all except 2
98 09
0
–
Temperature
2456 -> 24.56C
B0 0B
1
–
Relative
humidity
2992 -> 29.92%
AD 0D
3
–
VOC
3501 ppb
E3 FB
4
–
Differential
pressure
-1053 -> -10.53 Pa
78 05
5
–
CO2
1400 ppm
00
Status flags
00 = No errors
0C
Message length
Message length 12, excluding length field
0B
Message type
Type 11 = utility
53
Utility bitflags
53 = 0101 0011, so fields 0,1,4,6 are included
4B 83 01
0 - Device type
Dev type 99147
00 16
1
–
version
FWver 0.22
59
4
–
battery
Battery 89%
50 AA AE BA
6
–
Serial number
Serial number P424658
Maintenance
Checking the status
Press the button to check the status of the Kombi-LoRaWAN. The led located next to the micro USB
socket will indicate the status:
•
If the led blinks green, everything is fine, and the remaining battery capacity is estimated to be
over 20%.
•
If the led blinks red, the remaining battery capacity is estimated to be below 20%.
•
If the led doesn’t blink at all, device isn’t working
properly.
Replacing the batteries
•
The Kombi-LoRaWAN is powered with a 3.6V Lithium Thionyl battery pack. The batteries should
not be replaced by the users.