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The registers mapped for reading CO, CO2, PM2.5, temperature and humidity in multimedia center
and stack room are changed from 3000015 ~ 300024 to 300018 ~ 300027, because the register
address mapped to read illumination of iSN-201-E connected to COM1 will be ranked before the
registers mapped for devices connected to COM2.
Function Code
Register
Data
Unit
0x04 (Read AI)
300005
Ambient light
1lux
Data Location
Data Address on MDCL
Data Contents
Lobby
300000 ~ 300004
CO, CO2, PM2.5, Temperature, Humidity
Journal Room
300005 ~ 300009
CO, CO2, PM2.5, Temperature, Humidity
Reading Room
300010 ~ 300014
CO, CO2, PM2.5, Temperature, Humidity
Lobby
300315
Illumination
Journal Room
300316
Illumination
Reading Room
300317
Illumination
Multimedia Center
300018 ~ 300022
CO, CO2, PM2.5, Temperature, Humidity
Stack Room
300023 ~ 300027
CO, CO2, PM2.5, Temperature, Humidity
Multimedia Center
300328
Illumination
Stack Room
300329
Illumination
Polling definitions for reading indoor illumination