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B Modbus Registers
40026 TL Low Temperature (External Sensor 3) Celsius x100 0-65535
40027 HC Current Humidity (External Sensor 3) % Relative Humidity 0-65535
40028 HH High Humidity (External Sensor 3) % Relative Humidity 0-65535
40029 HL Low Humidity (External Sensor 3) % Relative Humidity 0-65535
40038 TC Current Temperature (External Sensor 1) Fahrenheit x100 0-65535
40039 TH High Temperature (External Sensor 1) Fahrenheit x100 0-65535
40040 TL Low Temperature (External Sensor 1) Fahrenheit x100 0-65535
40045 TC Current Temperature (External Sensor 2) Fahrenheit x100 0-65535
40046 TH High Temperature (External Sensor 2) Fahrenheit x100 0-65535
40047 TL Low Temperature (External Sensor 2) Fahrenheit x100 0-65535
40052 TC Current Temperature (External Sensor 3) Fahrenheit x100 0-65535
40053 TH High Temperature (External Sensor 3) Fahrenheit x100 0-65535
40054 TL Low Temperature (External Sensor 3) Fahrenheit x100 0-65535
Table B.1
Read Output Registers (continued)
Register Name Description Units Range
Table B.2
Family Code (Register 40002, 40009, 40016, 40023: FC)
Hexadecimal
Value
Decimal Value Description
0x29 41 8 Switch Sensor
0x10 16 Temperature Sensor
0x26 38 Temperature and Humidity Sensor
0x00 00 No Sensor
Table B.3
Status Flags (Register 40003: SS)
Bit Status Flag
00 Switch Sensor 1 Status; 1 = On, 0 = Off
01 Switch Sensor 2 Status; 1 = On, 0 = Off
02 Switch Sensor 3 Status; 1 = On, 0 = Off
03 Switch Sensor 4 Status; 1 = On, 0 = Off
04 Switch Sensor 5 Status; 1 = On, 0 = Off
05 Switch Sensor 6 Status; 1 = On, 0 = Off
06 Switch Sensor 7 Status; 1 = On, 0 = Off