DtmCategory TOC Previous Next

Specifies the category of a DTM. The different DTM categories reflect the physical entities which are represented by a DTM. (Provides mapping to Fdt.Dtm.DtmCategory).

The fields of the DtmCategory DataType are defined in the following table:

Name Value Description
DeviceDTM 0 A Device DTM contains the application software for a ‘normal’ field device, e.g. a pressure transmitter or, a valve or a drive.
CommunicationDTM 1 A Communication DTM is a special category of DTM containing the application software for specific communication hardware.
GatewayDTM 2 A Gateway DTM is a special category of DTM representing a device that connects different fieldbus segments.
CompositeDeviceDTM 3 A Composite DTM is a special category of DTM which is similar to a gateway DTM. A Composite DTM is the parent of a Module DTM and is intended to represent a header station of a modular device.
ModuleDTM 4 A Module DTM is a special kind of DTM which is similar to a device DTM. A Module DTM is a child of a Composite DTM and is intended to represent a single module of a modular device.
BlockTypeManager 5 A Block Type Manager (BTM) is a special category of DTM containing the application software for accessible objects inside a device such as function blocks and resource blocks. It is a child of a Device DTM.

The representation of the DtmCategory DataType in the address space is shown in the following table:

Name Attribute
NodeId ns=1;i=3006
NamespaceUri http://opcfoundation.org/UA/schemas/FDT/1.0/
BrowseName DtmCategory
IsAbstract False
SubtypeOf Enumeration
Categories  

The references from the DtmCategory DataType Node are shown in the following table:

Reference NodeClass BrowseName DataType TypeDefinition ModellingRule
HasProperty Variable EnumValues EnumValueType[] PropertyType Mandatory