27
YT-3400/3450 series
6.3.5.3 User Characteristics (USER SET)
In case positioner requires a specific characteristic, the valve characteristic curve can be
made by selecting up to 16 points of the curve.
6.3.5.4 Tight Shut Open (TSHUT OP)
Tight Shut Open allows the valve to open completely as the input signal reaches around
20mA.
⇨
<ENTER>
⇨
<DOWN>
⇨
<ENTER>
⇨
<UP>/<DOWN>
⇨
<ESC>
3 times
<ENTER>
⇨
<ENTER>
6 seconds
⇨
<DOWN>
2 times
⇨
<ENTER>
⇨
<UP>/<DOWN>
⇨
<ENTER>
⇨
<UP><DOWN>
>
R
E
T
N
E
<
>
R
E
T
N
E
<
⇨
<ENTER>
⇨
<ESC>
3 times
Repeat step if
necessary
⇨
<ENTER>
6 seconds
⇨
<DOWN>
3 times
⇨
<ENTER>
⇨
<UP>/<DOWN>
⇨
<ESC>
3 times
<ENTER>
