25
YT-3400/3450 series
6.3.4.3 End-Point Ratio for Valve (PE_TRIM)
When reverse acting operating is used, End-Point can be adjusted within 10% of total valve
stroke, without adjusting valve’s zero point.
6.3.4.4 Normal / Reverse Feedback Signal (TR_NORM / REV)
The feedback signal from the positioner can be viewed as normal or as reverse.
⇨
<DOWN>
⇨
<ENTER>
⇨
<UP>/<DOWN)
Zero Adjustment
Match
feedback
signal with 4mA
<ENTER>
⇨
<ESC>
⇨
<DOWN>
⇨
<ENTER>
End Adjustment
⇨
<UP>/<DOWN)
⇨
<ESC>
Match
feedback
signal with 20mA
<ENTER>
⇨
<ENTER>
⇨
<DOWN>
4 times
⇨
<ENTER>
⇨
<UP>/<DOWN)
⇨
<ESC>
3 times
<ENTER>
⇨
<ENTER>
⇨
<DOWN>
5 times
⇨
<ENTER>
Zero Adjustment
⇨
<DOWN>
⇨
<ENTER>
⇨
<ESC>
3 times
