Technical Specifications

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Working in ESDVue
ESDVue is set up as a typical Windows program, with tabs, menus, dialogs, windows and
toolbars. After logging into ValVue ESD the currently selected device appears in ESDVue’s
Monitor screen. You can either perform operations on the Monitor screen or select another tab
to display another ESDVue screen.
Toolbar
The toolbar at the top of every ESDVue screen has two menu items: Tools and Help.
Modes of Operation
The SVI II ESD has three modes of operation:
 “Normal Operation”
 “Manual Operation ”
 “Setup”
Normal Operation
In Normal mode, the SVI II ESD responds to the input signal and positions the ESD valve
accordingly.
In configurations where the safety function is triggered by current, when the input signal
current:
 Falls below 5.6mA, the SVI II ESD de-energizes the ESD valve.
 Rises above 14mA, the SVI II ESD energizes the ESD valve.
In configurations where the safety function is triggered by a discrete 0 - 24Vdc signal, when
the input signal voltage falls:
 Falls below 3V, the SVI II ESD de-energizes the ESD valve.
 Rises above 18V, the SVI II ESD energizes the ESD valve.
Manual Operation
In Manual 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 in when manual mode was entered or a
new position selected using the HART or pushbutton interface. However, the Shutdown
function is activated if the signal is less than 5.6 mA (ASD) or 3 Vdc (A/DSD and DSD).
Setup
In the Setup mode, you can set calibration and configuration parameters. Additionally, you
can run response time tests, step response tests, and valve signatures.