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Scope: Core (OPC-10000-*) All specs

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OPC-10000-10 – OPC Unified Architecture - Part 10: Programs

4.1 General

manage their operations through the exchange of data and the coordinated invocation of system Functions as illustrated in Figure 1 . Services are required to perform the data exchanges ... invoke the Functions that constitute system operation. These Functions may be invoked through Human Machine Interfaces, cell controllers, or other supervisory control and data acquisition type systems. OPC UA defines
OPC-10000-10 – OPC Unified Architecture - Part 10: Programs

4.2.1 Overview

Overview Programs are complex Functions in a Server or underlying system that can be invoked and managed by a Client . Programs can represent any level of functionality within a system
OPC-10000-10 – OPC Unified Architecture - Part 10: Programs

4.2.10.2 Program instances

that has an input argument to specify which resource is acted upon by its Functions . Each instance of the Program is then started designating use of different resources. The Client