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Setpoint Programmers
Setpoint programmer – Pre Plot Display
Revision 9
900 Control Station User Guide
123
May 2014
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Auxiliary PV Engineering Units
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Current PV2 value
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Current PV3 value
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Primary button to select Primary PV graph
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Auxiliary button to select Auxiliary PV graph
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Setpoint Programmer current Status
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Set Point indicator to indicate color of Setpoint plot
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Process Variable indicator to indicate color of Process Variable plot
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Operate Display button to navigate to associated Setpoint Programmer Operate Display
As shown below a second pre-plot indicates the profile of the SPP Auxiliary Setpoint output profile
(soaks only). The SPP Process Variable # 4 input (PV4) is plotted against the Auxiliary Setpoint
output pre-plot graph.
Setpoint Programmer Pre-Plot Graph attributes
1.
The content of the pre-plot graph is determined by reading the profile content of the Setpoint
Programmer function block. Time is presented on the X axis and the SP value is presented on the Y
axis of the graph.
2.
The amount of time contained within the pre-plot graph is determined by:
a)
The number of user programmed segments in the profile (The user may use from 2 to 50 of the
available segments for his program.)
b)
The time units specified for the profile (minutes or hours)