Uplink Data

This chapter describes the reported data of the device.

Item Channel Type Byte Description
Power On ff 0b 1 Device is on
Protocol Version ff 01 1 Example: 01=V1
Hardware Version ff 09 2 Example: 03 10 = V3.1
Software Version ff 0a 2 Example: 03 01 = V3.1
Device Type ff 0f 1

00: Class A, 01: Class B, 02: Class C, 03: Class C to B
Serial Number ff 16 8 16 digits
Battery Level 01 75 1 UINT8, Unit: %
Pressure 03 7b 2 UINT16, Unit: kPa
Historical Data 20 ce 6 Byte 1-4: Data unix timestamp, UINT32, Unit: s

Byte 5-6: Pressure, UINT16, Unit: kPa
Note:
  • When the device fails to collect the sensor data, it will report the value as all ffff;
  • When the device collects sensor data outside the measuring range, it will report the value as fffd.

Basic Information

The device will report a basic information packet whenever joining the network.

Example:
ff0bff ff0101 ff166136c40091605408 ff090200 ff0a0101 ff0f00
Channel Type Value
ff 0b Power on: ff
ff 01 Protocol version: 01=V1
ff 16 SN: 6136c40091605408
ff 09 Hardware version: 0200=V2.0
ff 0a Software version: 0101=V1.1
ff 0f 00: Class A

Periodic Report

The device supports to report below types of periodic report packets.

  1. Sensor data: report according to reporting interval.
    037b0a00
    Channel Type Value
    03 7b 0a 00=>00 0a=10 kPa
  2. Battery level: report when the device joins the network or every 24 hours.
    017564
    Channel Type Value
    01 75 Battery: 64=>100%

Alarm Report

The device supports to report below types of alarm report packets.
  1. Threshold alarm or alarm dismiss. The alarm report format is the same as periodic report.
    037b0a00
    Channel Type Value
    03 7b 0a 00=>00 0a=10 kPa
  2. Low battery level alarm: report when battery level is below to 1%.
    017501
    Channel Type Value
    01 75 Battery: 01=>1%

Historical Data

The device will report retransmission data or stored data as below example.
20ce 0d755b63 0a00
Channel Type Time Stamp Value
20 ce 0d 75 5b 63 => 63 5b 75 0d=1666938125s 0a 00=>00 0a=10 kPa