Modbus Register Map - E+E Elektronik HTS801 User Manual

Application parameters
Parameter
Write.register:.function.code.0x10./.read.register:.function.code.0x03/04
Working pressure
Simulated temperature
Simulated relative humidity
Write.register:.function.code.0x06./.read.register:.function.code.0x03/04
Simulation duration
1) Register number starts from 1.
2) Protocol address starts from 0.
Tab. 7 HTS801 application parameters
6.2.2. Modbus Register Map
The measured data is saved as a 32 bit floating point values (data type FLOAT32) and as 16 bit signed integer
values (data type INT16).
FLOAT32
Measurand
Read.register:.function.code.0x03./.0x04
Relative humidity
Temperature
Temperature
Temperature
Dew point temperature
Dew point temperature
Dew point temperature
Frost point temperature
Frost point temperature
Frost point temperature
Absolute humidity
Absolute humidity
Mixing ratio
Mixing ratio
Wet bulb temperature
Wet bulb temperature
Wet bulb temperature
Specific enthalpy
Specific enthalpy
Specific enthalpy
Water vapour partial pressure
Water vapour partial pressure
Ice bulb temperature
Ice bulb temperature
Ice bulb temperature
Specific humidity
Specific humidity
1) Register number starts from 1
2) Register address starts from 0
Tab. 8 HTS801 FLOAT32 measured data registers
Type Register number
FLOAT32 5001
FLOAT32 5902
FLOAT32 5904
UINT16 5901
Unit Register number
%
°C
°F
K
°C
°F
K
°C
°F
K
3
g/m
3
gr/ft
g/kg
gr/lb
°C
°F
K
kJ/kg.
BTU/lb
ft.lbf/lb
mbar
psi
°C
°F
K
g/kg
gr/lb
Humidity and Temperature Sensor for High Humidity and Chemically Polluted Conditions | 41
User Manual HTS801
1)
[Dec] Register address
1)
[DEC] Register address
1021
1003
1005
1009
1105
1107
1147
1131
1133
1149
1113
1115
1121
1123
1109
1111
1145
1125
1129
1127
1101
1103
1237
1239
1241
1247
1249
2)
[Hex]
1388
170D
170F
170C
2)
[HEX]
3FC
3EA
3EC
3F0
450
452
47A
46A
46C
47C
458
45A
460
462
454
456
478
464
468
466
44C
44E
4D4
4D6
4D8
4DE
4E0