Smart Positioner
YT-2500 / 2550 / 2501 Series
Product Manual
Ver. 1.34
51
9.8.1
Acting Adjustment (ACT RA / dA)
RA & DA are automatically set by performing “AUTO 2” from Auto Calibration. However, this function
is used when the user wants to change RA & DA.
The positioner can be set as Direct Action (DA) or Reverse Action (RA).
<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.
<UP>/<DOWN>
<ENTER>
→
<ESC>
3 times
→
9.8.2
Valve flow Characteristic Adjustment (CHAR)
The valve flow characteristic can be set on the field’s
requirement. There are 4 types of characteristics – linear (LIN),
user setting (USR), quick open (QO), and equal percentage
(EQ).
<ENTER>
→
<ENTER>
→
<UP>/<DOWN>
<ENTER>
→
Press <UP> or
<DOWN> button
if the above is not
displayed.
<ESC>
3 times
→
