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Exele's
Process Calculation Software |
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EDICTvb.Net™ is a process calculation
framework for OSISoft PI. EDICTvb.Net allows you to easily create and
manage process
calculations that read and write current and
historical PI data. EDICTvb.Net handles all of the "plumbing" for your
equations, letting you concentrate on your calculation logic. |
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Version 3.7 adds the ability to recalculate equations |
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Exele's Process Calculation Software allows programmers and non-programmers to quickly create high-performance, compiled process calculations. Users create and build their calculations with the built-in Equation Editor; under-the-hood, our calculation products use Microsoft frameworks and/or compilers to build high-performance calculation libraries.
Under normal operation, calculation libraries run real-time, using current input tag values to calculate current output tag values. The historian (PI and OPCHDA) stores the output values, making the results available to reports and trends. Although the equation libraries can retrieve historical and aggregate input values as well as write current and historical output values, most calculation logic is based on current or recent values. In some instances, the calculated values that exist in the historian should be replaced. The calculation logic may have changed or input values to the calculation may have been modified (e.g. manual input or lab values).
Recalculation allows the user to re-run one or more
calculation libraries for a period of time in the past. The previously
calculated data can be removed, and the calculations will execute using the
updated logic and/or inputs to repopulate the historical calculation
results. All of this occurs without interruption to the real-time
calculation libraries. |
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More information:
OPCcalc and
EDICTvb.Net
EXELE Information Systems, Inc. |
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New feature:
Recalculate your process calculations