Supported platforms: CODESYS 2.3, CODESYS 3.5
This internal function block calculates KTY prescale values for the curve scale. It uses predefined calibration points from KTY specification.
This function block is for SensorCalibrationAndDiagnostic library's internal use only. |
Input variable name |
Data type |
Range |
Description |
i_ResAt25degC |
INT |
0..5000 |
Sensor’s typical resistance in Ohm value at 25°C |
i_CalibrationOffset |
INT |
-200..200 |
Resistance offset value in Ohm at 25°C for fine tuning calibration curve. |
i_SensorAIType |
BYTE |
0..G_ADScaleArrMax |
Index number which defines the AI type (mA or V) and range. |
i_ReferenceAIValue |
WORD |
0..65535 |
ADC value of the reference voltage that is used to supply the sensor. |
i_ReferenceAIType |
BYTE |
0..G_ADScaleArrMax |
Index number which defines the AI range of reference measurement |
Output variable name |
Data type |
Range |
Description |
o_aScale |
ARRAY [1..10] OF WORD |
|
AD value scale for KTY resistance curve |
Source file Topic000323.htm
Last updated 24-Apr-2025