Seg SP760 Series, Instruction Manual

Page: 35 / 41

Smart Positioner
SP760 Series
Ver 1.0 SHINHWA Eng.
- 34 -
<ENTER 5 sec
+UP 4 times>
→
<ENTER>
→
<ENTER>
→
<UP>/<DOWN>
<ENTER>
→
<ESC>
→
※ This work must be done after shut down air or 50% position condition.
In this time ,actuator shall be operated reversely .
7-8-2 Valve Flow characteristics Adjustment ( CHAR LN )
Valve flow characteristics adjustment can be changed.
Linear ( LN ) is default set but it can be changed to US
( User's setting ), QO ( Quick Open ) or EQ ( Equal Percentage ).
<ENTER>
→
<ENTER>
→
<UP>/<DOWN>
<ENTER>
→
<ESC>
→
※ EX) Above procedure indicate a change from LINEAR to EQUAL PERCENTAGE.
7-8-3 User Defining Flow characteristics Adjustment ( USER SET )
User can make user's defining flow characteristics curve. Total 18 point can be
defined. Initially it is set to have PO ( 4mA ) as valve stroke is 0%.P1 (5mA ) as
6.25%..P16(20mA ) as 100%. P17 (21mA ) is standard setting point as 106.25%,
this can be modified into another value %. All 16 points can be modified and
they can be modified partially and to stop after saving a part of this point range,
use <ESC > button.