3.1 Terms and definitions

For the purposes of this document, the terms and definitions given in OPC 10000-1, OPC 10000-7, OPC 10000-12, OPC 10000-14, OPC 10000-15, OPC 10000-81, and OPC 10000-100 as well as the following, apply.

All used terms are italicised in this document as described in OPC 10000-1.

3.1.1 Asset

Physical or logical elements of an AutomationComponent

3.1.2 AutomationComponent

entity that performs one or more automation functions and is modelled by an AutomationComponentType

3.1.3 Compute

software application collecting data, running on a variety of hardware platforms

3.1.4 Controller

industrial digital computer used in the control of manufacturing or process automation processes

3.1.5 ConnectionManager

entity that interacts with AutomationComponents to establish Connections between FunctionalEntities

3.1.6 Controller-to-Compute

interaction model involving Controllers exchanging data with Computes

3.1.7 Controller-to-Controller

interaction model involving Controllers exchanging data with one another

3.1.8 Controller-to-Device

interaction model involving Controllers exchanging data with devices

3.1.9 Connection

logical communication relationship between FunctionalEntities for exchanging information and coordinating joint operations

3.1.10 Descriptor

multi-document file (zip package) containing information for using and configuring one or more AutomationComponents

3.1.11 Device-to-Compute

interaction model involving devices exchanging data with Computes

3.1.12 Device-to-Device

interaction model involving devices exchanging data with one another

3.1.13 FunctionalEntity

element of an AutomationComponent containing the data and methods needed to configure, control and manage functional behaviour

3.1.14 OfflineEngineering

design phase activity, where, based on data from the vendors of the AutomationComponents, the configuration for AutomationComponents is planned (typically without the hardware available), which gets deployed to the physical Controller, device, or Compute during the commissioning phase at a plant