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YT-3400/3450 series
6.3.4.5 Normal / Reverse HART Signal (HT_NORM / REVS)
HART signal from the positioner can be viewed as normal or as reverse.
6.3.5
Valve Mode (VALVE)
6.3.5.1 Acting Adjustment (ACT)
The positioner can be set as Direct Action (DA) or Reverse Action (RA).
6.3.5.2 Characteristic Adjustment (CHAR)
The valve characteristic can be set on the field’s requirement. There are
3 types of characteristics – linear (LIN), equal percentage (EQ), and quick
open (QO).
⇨
<ENTER>
⇨
<DOWN>
6 times
⇨
<ENTER>
Zero Adjustment
⇨
<DOWN>
⇨
<ENTER>
⇨
<ESC>
3 times
⇨
<ENTER>
6 seconds
⇨
<DOWN>
3 times
⇨
<ENTER>
⇨
<ENTER>
⇨
<UP>/<DOWN>
⇨
<ESC>
3 times
<ENTER>