Panasonic FPG-COM2-A - Page 50

FPΣ User's Manual
3.5 Thermistor Input Functions
33
Temperature [°C]
Thermistor resistance [kΩ]
Converted digital value Resolution [°C]
140
0.4052 853 0.323
150
0.3305 878 0.400
The digital values in the table above do not include the total precision (see page 31).
Conversion program using the scaling instruction (F282_SCAL)
Appropriate data interpolated from non-linear data can be obtained by creating a data table
with digital values and temperature data and then executing the scaling instruction
(F282_SCAL).
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EXAMPLE
The following input and output values have been collected:
Input data (converted digital data) Output data (temperature [°C])
332 50
409 60
487 70
• •
• •
878 150
y
x
x
Converted digital value
y
Temperature [°C]
DUT