4. Apply the second reference current, let it stabilize and again note the RAW
and the reference current. In our example, we read raw 58 at 0.015A.
We now have the data points we need. Navigate to the
Configure
->
Input
screen and select the input. In the
Input Type
box, select
Custom
. Then
click the
Linear Analog
link to open the
Two point calibration
dialog:
5. In the dialog box, enter the raw and reference value currents in the Point1
and Point2 fields as seen in the image above.
Click the Use button to apply the conversion to the input.
Don't forget to click Save Changes to finish.
The input is now calibrated.
Page 45 of 121
