Technical Specifications

655
Check Tab
Lower Stop/Upper
Stop A/D values measured from the position sensor at the full travel of
the valve. The raw position measurement must always be between
these two numbers. These numbers are useful for troubleshooting
problems.
Raw
Signal The A/D value measured from the signal sensor. This is used for
troubleshooting purposes.
Change Mode Whe n selected, you can change the SVI 2 mode.The SVI2 can be in any o f
thre e operatin g modes:
 Operating- In this mode the SVI2 responds to the input
signal and positions the valve appropriately (indicator
green).
 Manual- In this mode the valve does not respond to the
input signal Instead it remains stable in one position which
is the position that the valve was when manual mode was
entered or a new position is selected (see Setpoint)
(indicator yellow).
 Setup- In this mode you can set calibration and
configuration parameters. Additionally you can run
response time tests, step response tests, and positioner
signatures. (indicator yellow.
Set I/P Setting the I/P removes the valve from normal control and sends a
constant, user-defined signal to the I/P. This is useful for trouble-
shooting. This command is only available in Setup mode.
Set I/P
To set the I/P:
1. Enter a number between 1 and 55000 in the Set I/P edit box.
2. Right-click to pop up the context menu and select Set I/P (or use the Tools menu). The
indictor should appear red.
To resume normal control, right-click to open the context menu and select UnSet I/P.
Returning to Manual or Operating mode also returns the valve to control.