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AVEVA™ Production Management

Configure Evaluation properties

  • Last UpdatedFeb 27, 2025
  • 2 minute read

These properties appear in the Evaluation category of a Downtime evaluated field.

Studio Properties pane showing Evaluation section for an evaluated field.

Note: Depending on your selections some properties may appear or disappear from the available set of properties.

Evaluation properties

Property

Description

Valid values

EvaluationExpression

A basic expression to combine the source field value and quantity value with basic mathematical operations.

Click Browse (...) to open the Edit Evaluation Expression Editor. Define an expression that represents the combined value of the source fields.

Fields are referenced by name in the expressions and are required to be enclosed in square brackets.

The syntax that can be used in the expression is defined in this Microsoft article on DataColumn.Expression Property.

Note: Any constant used in the expression should not be enclosed in parenthesis. For example: (([S1][S2])/100*30000)*(-1) - Invalid

Notice that constants 100 and 30000 are not enclosed in parenthesis, but -1 is.

SourceField

The field definition that is be used as the source in the Evaluation Expression.

Click Browse (...) to open the Select Source Fields dialog box. Select the source fields for the evaluated expression.

Only fields under the current Production reporting point are available to use as source fields. However, an evaluated field can use another evaluated field as source.

Note: Calendar lookups are not supported as a source field to an evaluated field.

Studio Source field lookup window showing the fields to select from.

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