Dragino LSN50v2-D20 User Manual

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LSN50V2-D2x LoRaWAN Waterproof, Outdoor Temperature Sensor 15 / 23
➢ AT Command:
Set All Probes:
AT+18ALARM=min,max
 When min=0, and max≠0, Alarm trigger when higher than max
 When min≠0, and max=0, Alarm trigger when lower than min
 When min≠0 and max≠0, Alarm trigger when higher than max or lower than min
Example:
AT+18ALARM=-10,30 // Alarm when < -10 or higher than 30.
➢ Downlink Payload:
0x(0B F6 1E) // Same as AT+18ALARM=-10,30
(note: 0x1E= 30, 0xF6 means: 0xF6-0x100 = -10)
Set Separate Probe:
AT+18ALARM=min,max,index
Index:
➢ 1: Temperature_Red
➢ 2: Temperature_White
➢ 3: Temperature_Black
Example:
AT+18ALARM=-10,30,1 // Alarm when temperature_red < -10 or higher than 30.
➢ Downlink Payload:
0x(0B F6 1E 01) // Same as AT+18ALARM=-10,30,1
(note: 0x1E= 30, 0xF6 means: 0xF6-0x100 = -10)
Set Alarm Interval:
The shortest time of two Alarm packet. (unit: min)
➢ AT Command:
AT+ATDC=30 // The shortest interval of two Alarm packets is 30 minutes, Means is there is an
alarm packet uplink, there won’t be another one in the next 30 minutes.
➢ Downlink Payload:
0x(0D 00 1E) ---> Set AT+ATDC=0x 00 1E = 30 minutes
Poll the Alarm settings:
Send a LoRaWAN downlink to ask device send Alarm settings.
➢ Downlink Payload:
0x0E 01

Dragino LSN50v2-D20 Specifications

General

Brand	Dragino
Model	LSN50v2-D20
Category	Accessories
Language	English