Dragino LDS03A, Manual

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LDS03A Outdoor Open/Close Door Sensor
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AT Command:
Command Example Function Response
AT+SYNCMOD=1
Enable Sync system time via LoRaWAN MAC Command
(DeviceTimeReq) The default is zero time zone.
OK
AT+SYNCMOD=1,8
Enable Sync system time via LoRaWAN MAC Command
(DeviceTimeReq) Set to East eight-time zone.
OK
AT+SYNCMOD=1,-12
Enable Sync system time via LoRaWAN MAC Command
(DeviceTimeReq) Set to West Twelve Time Zone.
OK
Downlink Command:
0x28 01 // Same As AT+SYNCMOD=1
0x28 01 08 // Same As AT+SYNCMOD=1,8
0x28 01 F4 // Same As AT+SYNCMOD=1,-12
0x28 00 // Same As AT+SYNCMOD=0
3.8 Alarm Base on Timeout
LDS03A can monitor the timeout for a status change, this feature can be used to monitor some
events such as door opening too long etc.
User configures this feature by using:
AT Command to configure:
➢
AT+TTRIG=1,30
→
When the status change from close to open, and device keeps in
open status for more than 30 seconds. LDS03A will send an uplink packet, the Alarm bit
(the second bit of 1
st
byte of payload) on this uplink packet is set to 1.
➢
AT+TTIG=0,0
→
Default Value, disable timeout Alarm.
Downlink Command to configure:
Command: 0xA9 aa bb cc
A9: Command Type Code
aa: status to be monitored
bb cc: timeout.
If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
Or
0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.