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Gas Component Values
Gas Component
Local Values
Remote Values
New Local Values
Sum of New Local
Apply New Local Values

4-Selector Switch

This display has four banks of functions (A, B, C, D). Each function has 4 buttons that act as a 4-position
rotary switch, with one and only one state in effect at any time for that function.
To operate, press the desired state button for each function. When pressed, the buttons turn yellow to
indicate the selected state.
Revision 9
May 2014
This column lists the 4 gas components. Each of the 4 gas component fractions is
configured with either a constant fraction value derived from a lab report (local) or from
an on-line gas chromatograph (remote).
This column lists the local value of each component.
This column lists the remote value of each component (via the AGA block input).
This column lets you enter new local values. Values must total 1.0 (100%). After
entering new values, Apply New Local Values.
When you edit the New Local Values this shows the sum of all 4 values. Values must
total 1.0 (100%).
Select to transfer the New Local Values to the Local Values. These values do not take
effect unless Active Gas Component Values is set to Local Values, above.
900 Control Station User Guide
Process Displays
4-Selector Switch


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