Data Point Element Configuration

The JSON file can contain data to configure a Data Point Element. It is possible to specify the following:

Data Point Element Configuration Data
Data	Use	Description
Description	Optional	List of values used as descriptions of the WinCC OA object model. Each value must contain the following data: Culture: culture of the text (for example, `“en-US”`). Text: description The empty list (“Description”: [ ]) resets the description, while the name of the DPE is assumed as default description.
VL	Optional	True to enable logging properties in the Value Log (Event) of the History Database.
AL	Optional	True to enable logging properties in the Activity Log of the History Database.
DL0	Optional	True to enable Display Level 0 (properties will be visible in Engineering mode).
DL1	Optional	True to enable Display Level 1 (properties will be visible in the Status and Commands window available for graphic objects.).
DL2	Optional	True to enable Display Level 2 (properties will be visible in the Operation tab).
DL3	Optional	True to enable Display Level 3 (properties will be visible in the Extended Operation tab).
DL4	Optional	True to enable Display Level 4 (properties to be exposed to the OPC server interface and other northbound interfaces in future that will make use of this setting).
GroupId	Optional	String representing the property group. For details about the acceptable values, in ArrayAttributes Object see Table Group ID Values. The empty string (“GroupId”: “”) sets the value as “Invalid”.
Persist	Optional	True if the value of the property must be persisted in the database any time its value changes.
Display		Object containing the display data for the data point element. For details, in ArrayAttributes Object see Table Display Data. The empty object (“Display”: { }) resets the display data.
GmsType	Optional	An object representing the GMS type configuration data. This object must contain the GmsType element describing the GMS type of the property. For details about the acceptable values, see Table GMSType.
Commands	Optional	Commands associated to the current property. For details about the definition of a command, see Commands Configuration.
Alarms	Optional	Alarms associated to the current property. For details about the definition of a command, see Alarms Configuration.

It is also possible to extend the PvssType object of a data point element in order to specify:

The Normal Value of the property and its display status, adding the Status object (see Table Data Point Element Status).
The array attributes, only in case the PvssType specified is one of the supported arrays, adding the ArrayAttributes object (see Table Data Point Element ArrayAttributes).