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xfParameter |
Setpoint-type variables. It may contain as child objects the xoScadaSource- and xoOperatorSource-type objects, in addition to AlarmSource-type objects.
Properties of the xfParameter object
Property |
Data Type |
Description |
|---|---|---|
ActiveSource |
Enumeration |
Active source. Possible values for this property are 0: stActiveSource (default), 1: stScada, 2: stOperator, or 3: stCCLink (simulation) |
AnalogType |
Text |
Free text indicating the sub-type of a Setpoint |
EnableHistorian |
Boolean |
Indicates to Elipse Plant Manager whether this object's data must be stored or not |
EU |
Text |
Engineering unit |
EUPrefix |
Variant |
Multiplier prefix of the engineering unit, if available |
EURangeHigh |
Variant |
Maximum range of the engineering unit |
EURangeLow |
Variant |
Minimum range of the engineering unit |
Format |
Text |
Format, in Elipse E3 standard |
Hidden |
Boolean |
Displays this object or not on the Faceplate Screen or on other user-specific Screens |
HistorianDeadband |
Number |
Dead band to apply, which can be a percentage or an absolute value |
InputRangeHigh |
Variant |
Maximum value for data input |
InputRangeLow |
Variant |
Minimum value for data input |
Interlocked |
Boolean |
Indicates that this object is blocked for value changes |
NewValueRequest |
Variant |
Requests a new value |
OperatingRangeHigh |
Variant |
Maximum operational range for use on charts |
OperatingRangeLow |
Variant |
Minimum operational range for use on charts |
Quality |
Number |
Quality, in OPC standard |
TimeStamp |
Date and time |
Last timestamp |
UserInfo1 and UserInfo2 |
Variant |
Free usage fields |
Value |
Variant |
Setpoint's current value |
WriteTag |
Link |
Link to an IOTag-type object for writing |
This object can be used in these ways:
•Users can create a Bidirectional Link in the Value property, so that graphical objects can read and write directly in the Value property
•Users can create a Simple Link in the Value property to a Tag and then indicate this Tag, or any other Tag, in the WriteTag property to perform a writing operation using this Tag, and the return is retrieved in the Value property. Handling the command can be customized in the application
•Users can create the same Simple Link from the previous item, but the new value is informed in the NewValueRequest property, which executes the permission verification and sends the action result to an xoLogger-type object