Dragino LSN50v2-D20 User Manual

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LSN50V2-D2x LoRaWAN Waterproof, Outdoor Temperature Sensor 12 / 23
2.3 Uplink Payload
2.3.1 Payload Analyze
Normal Upload Payload:
LSN50v2-D2x use the same payload as LSn50v2 mod1, as below.
改为 TTNV3
Battery:
Check the battery voltage.
Ex1: 0x0B45 = 2885mV
Ex2: 0x0B49 = 2889mV
Temperature RED or Temperature White :
This point to the Red probe in LSN50 v2-D20 or the probe of LSN50v2- D22/D23 White
Example:
If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
Temperature White:
This point to the Red probe in LSN50 v2-D22/D23
Example:
If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
Size(bytes)
2
2
2
1
2
2
Value
Battery
Temp Red
or Temp White
Ignore
Alarm Flag
Temp_White
Temp_Black

Dragino LSN50v2-D20 Specifications

General

Brand	Dragino
Model	LSN50v2-D20
Category	Accessories
Language	English