Masoneilan SVI II AP Digital Positioner Quick Start Guide
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Calibration
CAUTION
Pilot Trim Valve Applications require the use of the Manual Stop
calibration procedure (refer to Configuration and Calibration of
the SVI II AP Instruction Manual, GEA19681). Do not run Find Stops
or the ValVue Setup Wizard on valves with Pilot Trim or damage
to the valve will occur.
To calibrate the SVI II AP:
1. Observe the display following power-up. The SVI II AP powers up in the previously
active mode either MANUAL or NORMAL (operating) mode:
In NORMAL mode, the display alternates between POS and SIGNAL.
In MANUAL, the display alternates between POS –M and SIG.
2. With
MANUAL
mode displayed, press
*
to select the MANUAL mode.
3. Press
+
again;
CONFIG
appears. Pressing
+
again brings
CALIB
.
4. Select
CALIB
by pressing
*
. STOPS appears. The valve moves full open and back to
full closed. Observe all warnings.
5. Press
*
to cause the valve to stroke and to automatically calibrate valve travel.
6. After the
STOPS
procedure finishes, press
+
twice until
TUNE
appears.
