Smart Positioner
YT-2500 / 2550 / 2501 Series
Product manual
Ver. 1.04
37
8.4.1
AUTO1 Calibration (AUTO1)
AUTO1 changes only zero and end points; however other parameters(P, D etc.) will not be
adjusted. It is recommended to perform AUTO1 when the positioner has been set by the
valve manufacturer already, and the field user wants to re-calibrate the positioner.
<ENTER>
3 seconds
<ENTER>
<ENTER>
Press <UP> or
<DOWN> button
if the above is not
displayed.
Press <UP> or
<DOWN> button
if the above is not
displayed.
A few
seconds
later
8.4.2
AUTO2 Calibration (AUTO2)
AUTO2 changes all of the parameters. It is recommended to perform AUTO2 when the
positioner has been installed on the valve for the first time or the positioner has been
reinstalled after dissemble from an actuator.
<ENTER>
<ENTER>
A few
seconds
later
Press <UP> or
<DOWN> button
if the above is not
displayed.
8.4.3
AUTO3 Calibration (AUTO3)
AUTO3 changes other parameters except zero and end points.
<ENTER>
<ENTER>
A few
seconds
later
Press <UP> or
<DOWN> button
if the above is not
displayed.
