11
CalibrateReq
ClearGlobal
CalibrateRsp
0x83
Status
(1Byte,0x00_success)
Reserved
(9Bytes,Fixed 0x00)
The calibration
sensor type and channel corresponding to each sensor :
Sensor
Sensor Type
Channel
Temperature
0x01
0x03
Humidity
0x02
0x04
Light
0x03
0x05
PM2.5
0x04
0x01
PM10
0x02
CO2
0x06
0x00
Air Press
0x35
0x06
TVOC
0x40
0x07
(1)
Assume that the reported original value of CO2 is 500ppm, the calibration increases by 100ppm, and the reported value is
600ppm.
SetGlobalCalibrateReq: Calibration increased by 100ppm
,
Multiplier =0x0001
,
Divisor = 0x0001
,
DeltValue = 0x0064
Downlink: 0106000001000100640000
Device return:8106000000000000000000 (configuration successful)
8106000100000000000000 (configuration failed)
(2)
GetGlobalCalibrateReq
:
Downlink:0206000000000000000000
Device return:8206000001000100640000
(3)Assume that the reported original CO2 value is 500ppm, the calibration is reduced by 100ppm, and the reported value is 400ppm
SetGlobalCalibrateReq: Calibration reduction by 100ppm
,
Multiplier =0x0001
,
Divisor = 0x0001
,
DeltValue = 0xFF9C
Downlink: 01060000010001FF9C0000
Device return:8106000000000000000000
(4) GetGlobalCalibrateReq:
Downlink:0206000000000000000000
Device return:82060000010001FF9C0000
(5)ClearGlobalCalibrateReq (Clear calibration value: reported value returns to 500ppm)
Downlink: 0300000000000000000000
Device return:8300000000000000000000