Downlink Commands for Auxiliary Features
This section describes the downlink commands for the auxiliary features.
Configure General Parameters
Command description:
| Item | Byte | Command | Value | Example |
|---|---|---|---|---|
| Reboot | 1 | be | - | - |
| Temperature Unit | 1+1 | 64 | 00=°C (default), 01=°F | Set unit as °F: 6401 |
| Temperature Data Source | 2+1 | 6a00 | 00=External, 04=Built-in (Default) | Data source is External: 6a0000 |
| Enhanced IR Emission | 1+1 | 81 | 00=Disable (Default), 01=Enable | Enable: 8101 |
| Enable Battery Compartment | 1+1 | 92 | 00=Disable (Default), 01=Enable | Enable: 9201 |
| Sleep Duration Enable | 3+1 | 93 + Time (00 or 01) + 00 | 00=Disable (Default), 01=Enable | Enable time 1: 93000001 |
| Sleep Duration Time | 3+4 | 93 + Time (00 or 01) + 01 | Byte 1: Start month,
Range:
1-12 Byte 2: Start Day, Range: 1-31 |
Duration time 1 is 1.1 to 12.31: 93000101010c1f |
| AC Cooling Power | 2+2 | 8200 | UINT16, Unit: W, Range: 0-60000, 0=blank | AC cooling power is 1000W: 8200e803 |
| AC Heating Power | 2+2 | 8201 | ||
| Indicator Auto-Off | 2+1 | 8000 | 00=Disable, 01=Enable (Default) | Disable: 800000 |
| Indicator Auto-Off Time | 2+2 | 8001 | UINT16, Unit: s, Range: 600-3600, Default: 600 | When indicator auto-off is enabled, the LED will light 10 minutes: 80015802 |
| Data Storage & Retransmission | 1+2 | c5 |
Byte 1: 00=Data storage, 01=Data retransmission |
Enable data storage: c50001 |
| Data Retransmission Interval | 1+3 | c5 | Byte 1:
02 Byte 2-3: UINT16, Unit:s, Range: 30-1200 s, Default: 600 |
Interval is 1200s: c502b004 |
| Clear History Data | 1 | bd | - | - |
Configure Time Parameters
Command description:
| Item | Byte | Command | Value | Example | ||||
|---|---|---|---|---|---|---|---|---|
| UTC Time Zone | 1+2 | c7 | INT16/60 | UTC-4: c710ff | ||||
| Daylight Saving Time | 1+10 | c6 |
Byte 1: 00=Disable (default), 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:
|
Enable DST, start time is October 1st Sunday 2:00, end time is April 1st Sunday 2:00, bias is 60 minutes: c6013c0a17780004177800 | ||||
| Sync time from LNS | 1 | b8 | - | - |
Configure Sensor Parameters
Command description:
| Item | Byte | Command | Value | Example |
|---|---|---|---|---|
| Built-in Sensor Name | 2+6 | 8800 | First 6 bytes, ASCii to Hex strings | The name is
sensor: 880073656e736f72 |
| 8801 | Middle 6 bytes, ASCii to Hex strings | |||
| 8802 | Last 6 bytes, ASCii to Hex strings | |||
| Built-in Sensor Temperature Calibration | 2+2 | 8805 | INT16/100, Unit: °C, Range: -80 - 80 | Calibration value is 1°C: 88056400 |
| Built-in Sensor Humidity Calibration | 2+2 | 8807 | INT16/10, Unit: %RH, Range: -100 - 100 | Calibration value is -0.3%RH: 8807fdff |
| External Sensor Name | 2+6 | 8900 | First 6 bytes, ASCii to Hex strings | The name is
sensor: 890073656e736f72 |
| 8901 | Middle 6 bytes, ASCii to Hex strings | |||
| 8902 | Last 6 bytes, ASCii to Hex strings | |||
| External Sensor Temperature | 2+1 | 8906 | 00=Disable, 01=Enable (default) | Enable: 890601 |
| External Sensor Temperature Calibration | 2+2 | 8905 | INT16/100, Unit: °C, Range: -80 - 80 | Calibration value is 1°C: 89056400 |
| Temp & Humidity Sampling Interval | 2+2 | 8803 | UINT16, Unit: s, Range: 30-3600, Default: 30 | Sampling interval is 3600s: 8803100e |
| External CT | 2+1 | 8a00 | 00=Disable (default), 01=Enable | Enable: 8a0001 |
| External CT - Sampling Interval | 2+2 | 8a01 | UINT16, Unit: s, Range: 1-128, Default: 5 | Sampling interval is 128s: 8a018000 |
| External CT - Threshold | 2+2 | 8a02 | UINT16, Unit: mA, Range: 30-1000 | Threshold is 30mA: 8a021e00 |
| External CT - AC Type | 2+1 | 8a03 | 00=Wall-mounted (default), 01=Standing Cabinet, 02=Ceiling-mounted | AC type is wall-mounted: 8a0300 |
Configure Threshold Parameters
Command description:
| Item | Byte | Command | Value | Example |
|---|---|---|---|---|
| Persistent High Temperature Alarm - Enable | 2+1 | 6c00 | 00=Disable (default), 01=Enable | Enable: 6c0001 |
| Persistent High Temperature Alarm - Difference | 2+2 | 6c01 | INT16/100, Unit: °C, Range: 1-10, Default: 3 | Difference is 3.15°C: 6c013b01 |
| Persistent High Temperature Alarm - Duration | 2+1 | 6c02 | UINT8, Unit: min, Range: 0-60, Default: 5 | Duration is 5 mins: 6c0205 |
| Persistent Low Temperature Alarm - Enable | 2+1 | 6d00 | 00=Disable (default), 01=Enable | Enable: 6d0001 |
| Persistent Low Temperature Alarm - Difference | 2+2 | 6d01 | INT16/100, Unit: °C, Range: 1-10, Default: 3 | Difference is 3.15°C: 6d013b01 |
| Persistent Low Temperature Alarm - Duration | 2+1 | 6d02 | UINT8, Unit: min, Range: 0-60, Default: 5 | Duration is 5 mins: 6d0205 |
| Temperature Threshold - Enable | 2+1 | 6e00 | 00=Disable (default), 01=Enable | Enable: 6e0001 |
| Temperature Threshold - Condition | 2+1 | 6e01 | 01=Below, 02=Above, 04=Below or Above | Below threshold: 6e0101 |
| Temperature Threshold - Below Value | 2+1 | 6e02 | INT16/100, Unit: °C, Range: -20-60, Default: -20 | Below threshold is -5.15°C: 6e02fdfd |
| Temperature Threshold - Above Value | 2+1 | 6e03 | INT16/100, Unit: °C, Range: -20-60, Default: 60 | Above threshold is 25.15°C: 6e03d309 |