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FY303 – Operation, Maintenance and Instructions Manual
3.20
Position Calibration
First of all the user should configure the valve type, the servo gain according to the valve. Please,
see transducer offline configuration. In general, when the valve is fast, is appropriate to set a gain
value about 8. If the valve is slow, is appropriate to set a gain value about 43. It depends on case by
case and the valve type.
Then using the Device menu, the user must select Calibration, where we have the options:
"Lower/Upper", "Self-Calibration" and "Temperature".
Choosing "Lower/Upper" the user has the window:
Figure 3.11 - FY303 - Simatic PDM Calibration Lower/Upper
After pressing "Lower Calibration Point", we get a warning:
If the user proceeds, the valve position goes to the lower position and we have the message:
If the valve is stabilized, when the user press "OK", we have a new window that allows him to enter
the desired value for the new calibrated point for the lower position. Write 0% in new value. For
FY303 it should be always 0%:
The user can select
lower or upper
calibration.
To start the lower
calibration procedure.