28 |
M 5 7 4 8
Apply Scaling
If set, the user defined Offset and Gain values will be used to adjust the sensor reading:
Result = (Raw Reading * Gain) + Offset
Assigned
The Assigned bit will always read as 0.
Available
The Available bit will always read as 0.
Dewpoint Temperature Device Byte
The Dewpoint Temperature Device Byte is not used.
Dewpoint Temperature Parameters
There are no user accessible parameters for the dewpoint temperature sensor.
Dewpoint Temperature User Calibration
There are no dewpoint temperature user calibration registers assigned.
IPSO Dewpoint Temperature Definition
The IPSO dewpoint temperature definition provides signal range, measured min/max values, IPSO
object type information.
Offset
Name
Value
Description
0x00
Sensor Type
33123
Dewpoint Temperature (°C)
0x02
Precision
0
Provides reading of xxx
0x04
Reset Min/Max
??
See below
0x08
Min Measured
??
Minimum reading since last reset
0x0c
Max Measured
??
Maximum reading since last reset
0x10
Min Range
-40.0
Minimum reading
0x14
Max Range
+100.0
Maximum reading
Precision
The measured temperature value is rounded to p/- 1 degree resolution.
Sensor Trigger
The Sensor Trigger function is used to reset the IPSO min/max values as well as controlling
the Calibration process.
Sensor Trigger Function
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
Reset
Min/Max
15
14
13
12
11
10
9
8
0
0
Calibration
Reset
Calibration
Status
Calibration
Mode
Capture
High
Capture
Low
Calibration
Start
Setting the Reset Min/Max bit to 1 will reset the Min/Max values recorded by the IPSO
process. No User Calibration process is supported on the Dewpoint temperature sensor and
all Calibration bits should be written as 0.