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 4-Sep-2025