Downlink Command

This device supports downlink commands for configuration and control. The downlink application port is 85 by default.

Communication Settings

Item Byte Command Parameter
Collect Interval 1+3 60 Byte 1: 00

Byte 2-3: Interval time, range: 1-3600, unit: s
Report Interval 1+4 61 Byte 1-2: 0001

Byte 3-4: Interval time, range: 1-440, unit: minute
Example:
  1. Set the report interval as 10 minutes.
    6100010a00
    Command Parameter
    61 0a 00=>00 0a=10 minutes

Basic Settings

Item Byte Command Parameter
Enquiry Periodic Report 1 b9 -
Reboot 1 be -
Rejoin the Network 1 b6 -
Temperature Unit 1+1 63 00=°C, 01=°F
Bluetooth 1+1 85 00=Disable, 01=Enable (default)
Reset Bluetooth Name 1 54 -
Examples:
  1. Reboot the device.
    be

Time Settings

Item Byte Command Parameter
UTC Time Zone 1+2 c7 INT16/60
Daylight Saving Time 1+10 c6

Byte 1: 00=Disable, 01=Enable

Byte 2: DST bias, unit: min, range: 1-120

Byte 3-6: Start time, Month (1B)+Week&Day (1B) + Minute Time (2B)

Byte 7-10: End time, Month (1B)+Week&Day (1B) + Minute Time (2B)

Week&Day:
Bit7-4 Bit3-0
Week number, range: 1-5 Weekday, range: 1-7
Sync time from LNS 1 b8 -
Examples:
  1. Set the time zone as UTC-4.
    c710ff
    Command Parameter
    c7

    10 ff => ff 10 = -240/60=-4
  2. Set DST time: start time is last Sunday 1:00 of March, end time is last Sunday 1:00 of October, and bias is 1h (60 minutes).
    c6013c03573c000a573c00
    Command Parameter
    c6

    01=Enable

    DST bias: 3c=>60 mins

    Start time: 03=>March, 57=>last (5) Sunday(7), 3c 00 =>00 3c=60 minutes =1:00

    End time: 0a=>10=October, 57=>last (5) Sunday(7), 3c 00 =>00 3c=60 minutes =1:00

Data Source Settings

Item Byte Command Parameter
Data Source 1+1 7d 00=Internal (Default), 01=External
Data Timeout* 1+1 7e UINT8, unit: minute, range: 1-60, default: 10
External Temperature 1+2 86 INT16/100, Unit: °C, Range: -20 ~ 60
External Humidity 1+2 87 UINT16/10, Unit: %RH, Range: 0-100
*Data Timeout: When the device does not receive external values for the timeout, the device will use the data from internal sensors.
Examples:
  1. Switch to receive the data from LNS.
    7d01
    Command Parameter
    7d 01=External
  2. Send temperature and humidity value from LNS.
    860208 87d901
    Command Parameter
    86 02 08 => 08 02 =2050/100=20.50°C
    87 d9 01 => 01 d9 =473/10=47.3 %RH

Calibration Settings

Note: This setting only takes effect when the data source is internal sensors.
Item Byte Command Parameter
Temperature Calibration 1+3 76 Byte 1: 00=Disable, 01=Enable

Byte 2-3: Calibration Value, INT16/100, Unit: °C, Range: -80 ~ 80
Humidity Calibration 1+3 77 Byte 1: 00=Disable, 01=Enable

Byte 2-3: Calibration Value, INT16/10, Unit: %RH, Range: -100 ~ 100
Example:
  1. Enable temperature calibration and set calibration value as -0.3°C.
    7601e2ff
    Command Parameter
    76 01=Enable, e2 ff=>ff e2=-30/100=-0.3 °C

Temperature Control Settings

Item Byte Command Parameter
System On/Off 1+1 67 00=Off, 01=On
Temperature Control Mode Enable 1+1 64
For every bit: 0=Disable, 1=Enable
Bit Mode
0 Auto
1 Cool
2 EM Heat
3 Heat
Temperature Control Mode 2+1 6800 00=Heat, 01=EM Heat, 02=Cool, 03=Auto
Target Temperature Mode 1+1 65 00=Single Target Temperature, 01=Dual Target Temperature
Target Temperature Resolution 1+1 66 00=0.5, 01=1
Target Temperature 1+3 69 Byte 1: 00=Heat, 01=EM Heat, 02=Cool, 03=Auto, 04=Auto-Heat, 05=Auto-Cool

Byte 2-3: target temperature, INT16/100, Unit: °C, Range: 5~35
Deadband 1+2 6a INT16/100, Unit: °C, Range: 1-30
Target Temperature Regulation Range 1+5 6b Byte 1: 00=Heat, 01=EM Heat, 02=Cool, 03=Auto

Byte 2-3: Min. Range, INT16/100, Unit: °C, Range: 5~35

Byte 4-5: Max. Range, INT16/100, Unit: °C, Range: 5~35
Fan Mode Enable 1+1 88
For every bit: 0=Disable, 1=Enable
Bit Mode
0 Auto
1 Circulate
2 0
3 Low
4 Medium
5 High
Fan Mode 1+1 74 00=Auto, 01=Circulate, 03=Low, 04=Middle, 05=High
Examples:
  1. Switch the system on.
    6701
    Command Parameter
    67 01=On
  2. Set the temperature control mode as Cool.
    680002
    Command Parameter
    6800 02=Cool
  3. Set target temperature of cool mode to 24°C.
    69026009
    Command Parameter
    69 02=Cool, 60 09=>09 60=2400/100=24°C

Occupancy Detection Settings

Item Byte Command Parameter
Occupancy Detection 2+1 8201 00=Disable, 01=Enable
Occupied to Vacant Delay 2+2 8202 UINT16, Unit: minute, Range: 1 ~ 360, Default: 30
Energy-saving Setting 2+1 8301 00=Disable, 01=Enable
Occupied/Vacant Execution 2+2 8302 Byte 1: Occupied Execution Plan ID, Range: 00-0f, ff=None

Byte 2: Unoccupied Execution Plan ID, Range: 00-0f, ff=None
Night Occupancy 2+1 8401 00=Disable, 01=Enable
Night Occupied Time 2+4 8404 Byte 1-2: Start Time, Unit: minute, Range: 0-1439

Byte 3-4: End Time, Unit: minute, Range: 0-1439
Night Occupied Execution 2+1 8405 Plan ID, Range: 00-0f, ff=None
Examples:
  1. Enable occupancy detection and set the delay time.
    82010182020a00
    Command Parameter
    8201 01=Enable
    8202 0a 00=>00 0a=10 minutes
  2. Enable night occupancy and configure the related parameters.
    840101844605e001840502
    Command Parameter
    8401 01=Enable
    8404 Start time: 46 05 => 05 46=1350 minutes =22:30

    End time: e0 01 => 01 e0 =480 minutes =8: 00
    8405 02=Schedule plan 3

Button Settings

Item Byte Command Parameter
Button Customization 2+1 7100 00=Disable, 01=Enable
Button 1 2+1 7101 01=Temperature Control Mode (default), 02=Fan Mode, 06=Event 1 Report, 07=°C or °F switch
Button 2 2+1 7102 01=Temperature Control Mode, 02=Fan Mode (default), 06=Event 2 Report, 07=°C or °F switch
Button 3 2+1 7103

00=System On/Off (default), 06=Event 3 Report, 07=°C or °F switch
Child Lock 1+3 72 Byte 1: 00=Disable, 01=Enable
Byte 2-3: for every bit: 0=Disable, 1=Enable
Bit Button
0 Temperature +
1 Temperature -
2 System On/Off
3 Fan Mode
4 Temperature Control Mode
5 Reset
6 Power On/Off
7-10 0
11 Button 1 Evemt Report
12 Button 2 Event Report
13 Button 3 Event Report
14 °C or °F switch
15 0
Temporary Unlock 1+2 81 Byte 1: 00=Disable, 01=Enable

Byte 2-3: Unlock time, Unit: s, Range: 1-3600, Default: 30
Temporary Unlock Button 1+1 80

Combination buttons for unlock, at least 2 buttons should be enabled

for every bit: 0=Disable, 1=Enable,
Bit Button
0 Button 1
1 Button 2
2 Button 3
3 Button 4
4 Button 5
7-5 000
Examples:
  1. Enable button customization feature and switch button 2 feature to °C or °F switch.
    710001710207
    Command Parameter
    7100 01=Enable
    7102 07=°C or °F switch
  2. Lock reset feature of the button.
    72012000
    Command Parameter
    72 01=Enable, 20 00=>00 20 = 00100000 => Bit 5= 1(reset)
  3. Allow to press the button 1 and button 2 together to unlock for 300s (5 minutes).
    800381012c01
    Command Parameter
    80 03=>00000011=Button 1 and 2 enable
    81 01=Enable, 2c 01=>01 2c=300s

Screen Settings

Item Byte Command Parameter
Screen Display 1+1 75

00=Disable all, ff=Enable all

For every bit: 0=Disable, 1=Enable
Bit Content
0 Temperature Control Schedule
1 Temperature
2 Humidity
3 Target Temperature
7-4 0000
Smart Display 1+1 62 00=Disable, 01=Enable
Examples:
  1. Disable the screen display.
    7500
    Command Parameter
    66 00=Disable all
  2. Only disable the display of target temperature.
    7507
    Command Parameter
    75

    07=>0000 0111 = Target temperature disable

Schedule Plan Settings

Item Byte Command Parameter
Schedule Plan 3+1 7b+Schedule ID (1B, 00-07) + 00

00=Disable, 01=Enable
Schedule Name (First 6B) 3+6 7b+Schedule ID (1B, 00-07) + 01 ASCii to Hex strings (6B)
Schedule Name (Last 4B) 3+4 7b+Schedule ID (1B, 00-07) + 02 ASCii to Hex strings (4B)
Schedule Content 1 3+7 7b+Schedule ID (1B, 00-07) + 03 Byte 1: Temperature control mode, 00=Heat, 01=EM Heat, 02=Cool, 03=Auto

Byte 2-3: Heating Target Temperature, INT16/100, Unit: °C, Range: 5 ~ 35

Byte 4-5: EM-Heating Target Temperature, INT16/100, Unit: °C, Range: 5 ~ 35

Byte 6-7: Cooling Target Temperature, INT16/100, Unit: °C, Range: 5 ~ 35
Schedule Content 2 3+7 7b+Schedule ID (1B, 00-07) + 04 Byte 1: Fan mode, 00=Auto, 01=Circulate, 03=Low, 04=Medium, 05=High

Byte 2-3: Auto Target Temperature, INT16/100, Unit: °C, Range: 5 ~ 35

Byte 4-5: Auto-Heating Target Temperature, INT16/100, Unit: °C, Range: 5 ~ 35

Byte 6-7: Auto-Cooling Target Temperature, INT16/100, Unit: °C, Range: 5 ~ 35
Execute Schedule Plan 1+1 5c Schedule ID, Range: 00-07
Delete/Reset Schedule Plan 1+1 5f Schedule ID, Range: 00-07, ff=Reset
Examples:
  1. Add a schedule plan 4 and enable it.
    7b0300 01
    Command Parameter
    03=schedule4 01=Enable
  2. Set the name of schedule plan 1 as Occupied.
    7b00014f6363757069 7b000265640000
    Command Parameter
    7b0001 4f 63 63 75 70 69 => Occupi
    7b0002 65 64 00 00 => ed
  3. Set schedule plan 4 content.
    7b030303a406c409f00a 7b030400fc080807540b
    Command Parameter
    7b0303 Temperature Control Mode: 03=Auto

    Heat Target Temperature: a4 06=>06 a4=1700/100=17°C

    EM Heat Target Temperature: c4 09=>09 c4=2500/100=25°C

    Cool Target Temperature: f0 0a=>0a f0=2800/100=28°C
    7b0304 Fan Mode: 00=Auto

    Auto Target Temperature: fc 08=>08 fc=2300/100=23°C

    Auto-Heat Target Temperature: 08 07=>07 08=1800/100=18°C

    Auto-Cool Target Temperature: 54 0b=>0b 54=2900/100=29°C
  4. Execute schedule plan 3 immediately.
    5c02
    Command Parameter
    5c 02=schedule3