The Unified Architecture (UA) is a next generation OPC standard that provides a cohesive, secure and reliable cross platform framework for access to real time and historical data and events. Designed for programmers who wish to create their own OPC client applications, the new toolkit provides two options: a .NET API with a robust class library for building advanced custom applications, and .NET Controls for quickly developing client applications that can access almost any OPC server. It supports all OPC UA security levels, direct connections to endpoints, and endpoint browsing via Local Discovery Servers. The new toolkit further improves security through UA user authentication and the easy exchange of username and password credentials to the OPC UA server. When used in conjunction with the Security Policies Plug-In for KEPServerEX V5.12, the toolkit can provide secure client-server communications by utilizing the OPC UA standard.
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