6.6.21 Data Access Server Facet

Table 43describes the details of the Data Access ServerFacet. This Facet specifies the support for an Information Model used to provide industrial automation data. This model defines standard structures for analog and discrete data items and their quality of service. This Facet extends the Core ServerFacet which includes support of the basic AddressSpacebehaviour.

Table 43– Data Access Server Facet

Group

Conformance Unit / ProfileTitle

Optional

Data Access

Data Access AnalogItems

True

Data Access

Data Access ArrayItemType

True

Data Access

Data Access Complex Number

True

Data Access

Data Access DataItems

False

Data Access

Data Access DoubleComplex Number

True

Data Access

Data Access MultiState

True

Data Access

Data Access MultiStateValueDiscrete

True

Data Access

Data Access PercentDeadband

True

Data Access

Data Access Semantic Changes

True

Data Access

Data Access TwoState

True