Uplink Data

This chapter describes the uplink packets reported by the device.

Basic Information Packet

After joining the network, the device reports a packet containing the basic device information.

Packet description:
Item Channel Type Byte Description
Protocol Version ff 01 1 Example: 01=V1
Hardware Version 09 2 Example: 01 20 = V1.2
Firmware Version 0a 2 Example: 01 02 = V1.2
Device Status 0b 1 ff=Power on
Work Mode 0f 1 00=Class A, 01=Class B, 02=Class C, 03=Class C to B
Serial Number 16 8 16 digits
Reset Event fe 1 ff, report only after reset
TSL Version ff 2 Example: 01 02 = V1.2
Wiring Settings ca 3 Byte 1:
Bit Wire Value
7-6 W1 00=Disable, 01=Enable
5-4 O/B
3-2 G/GH
1-0 Y1

Byte 2:

Bit Wire Value
7-6 W2/AUX 00=Disable, 01=W2, 10=AUX
5-4 PEK 00=Disable, 01=Enable
3-2 DI
1-0 E
Byte 3: 00=Disable, 01=Y2, 02=GL
Supported Mode cb 3 Byte 1: Supported temperature control mode, per bit 0=Not support, 1=Support
  • Bit 3: Auto
  • Bit 2: Cool
  • Bit 1: EM Heat
  • Bit 0: Heat

Byte 2: Supported heating stage, 00=No stage, 01=Up to Stage-1, 03=Up to Stage-2, 07=Up to Stage-3, 0f=Up to Stage-4, 1f=Up to Stage-5
Byte 3: Supported cooling stage, 00=No stage, 01=Up to Stage-1, 03=Up to Stage-2
Example:
ff0bff ff0101 ff166791d19604050005 ff090210 ff0a0101 ff0f02 ffff0100 ffcb040003 ffca050401
Channel Type Value
ff 0b ff=Power On
ff 01 01=V1
ff 16 SN: 6791d19604050005
ff 09 Hardware Version: 0210 => V2.1
ff 0a Firmware Version: 0101=> V1.1
ff 0f Work mode: 02=Class C
ff ff TSL Version: 01 00=> V1.0
ff cb Supported mode: 04=>100=Cool

Supported heating stage: 00=No stage
Supported cooling stage: 03=>Up to stage-2
ff ca 05=>00000101 = G/GH and Y1 enable

04=>00000100 = DI enable
01 = Y2 enable

Periodic Data Packet

The device reports a data packet at a configured reporting interval.

Packet description:
Item Channel Type Byte Description
Temperature 03 67 2 INT16/10, Unit: °C
Target Temperature 04 67 2 INT16/10, Unit: °C
Heating Target Temperature

（Dual Target）

 04 67 2 INT16/10, Unit: °C
Cooling Target Temperature

(Dual Target)

 0b 67 2 INT16/10, Unit: °C
Temperature Control Status and Mode 05 e7 1 Bit 7-4: 0000=Standby, 0001=Stage-1 Heat, 0010=Stage-2 Heat, 0011=Stage-3 Heat, 0100=Stage-4 Heat, 0101=EM Heat, 0110=Stage-1 Cool, 0111=Stage-2 Cool, 1000=Stage-5 Heat

Bit 3-2: 00
Bit 1-0: 00=Heat, 01=EM Heat, 10=Cool, 11=Auto
Fan Status and Mode 06 e8 1 Bit 7-4: 0000

Bit 3-2: 00=Standby, 01=High Speed, 10=Low Speed, 11=On
Bit 1-0: 00=Auto, 01=On, 10=Circulate, 11=Disabled
Schedule Plan 07 bc 1 00=Not executed, 01=Wake, 02=Away, 03=Home, 04=Sleep, 05=Occupied, 06=Unoccupied, 07=ECO
Data Source 07 e9 1 01=Embedded (default), 02=LoRa, 03=D2D
System Status 08 8e 1 00=Off, 01=On
Humidity 09 68 1 UINT8/2, Unit: %RH
Relay Status 0a 6e 1 For per bit 0=Disconnected, 1=Connected
  • Bit 6: O/B
  • Bit 5: G/GH
  • Bit 4: E
  • Bit 3: W2/AUX
  • Bit 2: W1
  • Bit 1: Y2/GL
  • Bit 0: Y1
Temperature Exception b3 67 1 00=Read failed, 01=Out of range
Humidity Exception b9 68 1 00=Read failed, 01=Out of range
Example:
  1. Periodic packet when control permission is Thermostat
    03671101 0467fa00 05e772 06e806 07bc00 088e01 096844 07e901
    Channel Type Value
    03 67 Temperature: 11 01=>01 11 =273/10=27.3°C
    04 67 Target Temperature: fa 00=>00 fa=250/10=25°C
    05 e7 72=>0111 0010

    Temperature Control Status: 0111=Stage-2 Cool
    Temperature Control Mode: 10=Cool
    06 e8 06=> 0000 0110

    Fan Status: 01=High Speed
    Fan Mode: 10=Circulate
    07 bc Schedule Plan: 00=Not executed
    08 8e System Status: 01=On
    09 68 Humidity: 44=>68/2=34%RH
    07 e9 Data Source: 01=Embedded
  2. Periodic packet when control permission is Remote Control
    03671101 088e01 096844 0a6e00
    Channel Type Value
    03 67 Temperature: 11 01=>01 11 =273/10=27.3°C
    08 8e System Status: 01=On
    09 68 Humidity: 44=>68/2=34%RH
    0a 6e 00=All relays disconnected

Alarm Packet

The device reports the following types of alarm packets.
Item Channel Type Byte Description
Temperature Alarm 83 67 3 Byte 1-2: Temperature, INT16/10, Unit: °C

Byte 3: Alarm type
01=Emergency Heating Timeout Alarm, 02=Auxiliary Heating Timeout Alarm, 03=Persistent Low Temperature Alarm, 04=Persistent Low Temperature Alarm Release, 05=Persistent High Temperature Alarm, 06=Persistent High Temperature Alarm Release, 07= Freeze Protection Alarm, 08=Freeze Protection Alarm Release, 09=Temperature Threshold Alarm, 0a= Temperature Threshold Alarm Release
Target Temperature Range Alarm f9 40 7 Byte 1: 00=Heat, 01=EM Heat, 02=Cool, 03=Auto, 04=Auto-Heat, 05=Auto-Cool

Byte 2-3: Target Temperature for current mode, INT16/10, Unit: °C
Byte 4-5: Min. range for current mode, INT16/10, Unit: °C
Byte 6-7: Max. range for current mode,  INT16/10, Unit: °C
Data Source Alarm 87 e9 2 Byte 1: 01=Embedded (default), 02=LoRa, 03=D2D

Byte 2: 01
Example:
  1. Temperature threshold alarm
    8367140109
    Channel Type Value
    83 67 Temperature: 14 01=>01 14=276/10=27.6°C

    Alarm type: 09=Temperature Threshold Alarm
  2. Target temperature range alarm: report when receiving a target temperature outside the regulation range.
    f940 0024006400bc00
    Channel Type Value
    f9 40 Temperature Control Mode: 00=Heat

    Target Temperature: 24 00=>00 24 = 36/10=3.6°C
    Min. Range: 64 00=>00 64 = 100/10=10°C
    Max. Range: bc 00 =>00 bc = 188/10=18.8°C
  3. Data source alarm: report when not receiving temperature data for timeout and the data source is switched.
    87e90101
    Channel Type Value
    87 e9 01=Embedded

Status Change Packet

The device reports a packet when a parameter is changed.

  1. Control permission change report
    Packet description:
    Item Channel Type Byte Description
    Control Permission ff f6 1 00=Thermostat, 01=Remote Control
    Example:
    fff600
    Channel Type Value
    ff f6 00=Thermostat
  2. Wiring Setting change report

    Packet description: Wiring Setting + Supported Mode

    Example:
    ffcb040003 ffca050401
    Channel Type Value
    ff cb Supported mode: 04=>100=Cool

    Supported heating stage: 00=No stage
    Supported cooling stage: 03=>Up to stage-2
    ff ca 05=>00000101 = G/GH and Y1 enable

    04=>00000100 = DI enable
    01 = Y2 enable
  3. A periodic report is sent when any of the following parameters change:
    • Target Temperature
    • Temperature Control Mode
    • Fan Mode
    • System Status
    • Relay Status under Remote Control permission
  4. Relay status change report under thermostat control permission

    When Relay Change Report is enabled, the device will send this report whenever the relay status changes.

    Example:
    0a6e00
    Channel Type Value
    0a 6e 00=All relays disconnected

Historical Data Packet

When data retransmission is triggered, the device will report historical periodic reports at data retransmission interval.

Packet description:
Channel Type Byte Historical Data
20 ce 13

Byte 1-4: Timestamp, UINT32, Unit: s
Byte 5-6: Mode and Status

Bit Item Value
15-11 - 00000
10-7 Temp. Control Status 0000=Standby, 0001=Stage-1 Heat, 0010=Stage-2 Heat, 0011=Stage-3 Heat, 0100=Stage-4 Heat, 0101=EM Heat, 0110=Stage-1 Cool, 0111=Stage-2 Cool, 1000=Stage-5 Heat
6-5 Temp. Control Mode 00=Heat, 01=EM Heat, 10=Cool, 11=Auto
4-3 Fan Status 00=Standby, 01=High Speed, 10=Low Speed, 11=On
2-1 Fan Mode 00=Auto, 01=On, 10=Circulate
0 System Status 0=Off, 1=On

Byte 7-8: Target Temperature or Cooling Target Temperature (Dual Target), INT16/10, Unit: °C
Byte 9-10: Heating Target Temperature (Dual Target), INT16/10, Unit: °C
Byte 11-12: Temperature, INT16/10, Unit: °C
Byte 13: Humidity, UINT8/2, Unit: %RH

Note: If no dual target temperatures, the heating target temperature will report 0xffff.
Example
20ce e0f62c65 4100 1501 ffff f600 4e
Channel Type Value
20 ce Timestamp: e0 f6 2c 65 => 65 2c f6 e0 =1697445600s

Mode and Status: 41 00 => 00 41=0000 0000 0100 0001
(Standby, Cool, Off, Auto, System On)

Target Temperature: 15 01=> 01 15 =277/10=27.7°C
Heating Target Temperature: ffff
Temperature: f6 00=>00 f6=246/10=24.6°C
Humidity: 4e=>78/2=39%RH