Dragino LDS03A, Manual

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LDS03A Outdoor Open/Close Door Sensor
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2.3.3 Real-Time Open/Close Status, Uplink FPORT=2
LDS03A will send this uplink after Device Status once join the LoRaWAN network successfully.
And LDS03A will:
a) periodically send this uplink every 2 hours, this interval can be changed .
b) There is an Open/Close event.
Uplink Payload totals 11 bytes.
2.3.4 Historical Door Open/Close Event, FPORT=3
LDS03A stores sensor values and users can retrieve these history values via the downlink
command .
The historical payload includes one or multiplies entries and every entry has the same payload as
Real-Time open/close status.
Real-Time Open/Close Status, FPORT=2
Size (bytes) 1 3 3 4
Value Status &
Alarm
Total open
door events
The last door open
duration (unit: min)
Unix TimeStamp
Status & Alarm field
Size (bit) 6 1 1
Value Reserve Enable/disable Timeout Alarm
0: No Alarm; 1: Alarm
Status
0: Close, 1: Open