Smart Positioner
SP740 Series
8.5 Manual Mode ( MANUAL )
Manual mode is a mode to check if there is no mechanical interference and problem
when installing the positioner and valve in the first time.
Press the <UP> and <DOWN> button while the air and command signal (4 ~ 20mA DC) are supplied
to the positioner and make sure there is no mechanical interference. If pressing <ESC> twice
to return to RUN PV mode, positioner will be controlled again by the input current signal
<ENTER>
→
The numbers of the 2nd row indicates the target position and MAN 300 of captioned indicator shows 30.0 % .
8.6 Parameter Mode (PARAMETER )
If executing AUTO ALL , actuator control condition can be set by optimal operation condition .
only AUTO calibration may be difficulty to optimize setting. In this case , if parameter set value shall be
increased or decreased, it will be proper operation condition in current status.
<ENTER 5sec+UP 1
time> →
<UP> /
→
<DOWN>
→
<ESC 2 times>
→
30/40
8.6.1 Dead-Zone Mode ( DEADZONE)
If friction load increase and happen in hunting or oscillation , increasing or decreasing value of
dead-zone can make desirable control condition .
EX.) If deadzone setting is 0.5%, ignore less than 0.5% of motion command and positioner error .
※
DEADZONE Value is possible within 0-20 % and standard value is set by 0.3%.
→
<UP> / <DOWN>
<ESC>
<ENTER>
→
→
<ENTER 5 secs+ UP
2 times>
→
<ENTER>
<ENTER>
→
→
30/40
