A software application that exposes industrial data and services through one or more OPC specifications to OPC clients.
An OPC Server is a software application that provides standardized access to industrial devices, control systems, historians or other data sources using one or more OPC specifications. It publishes real-time data, historical information, alarms, events and other services to authorized OPC clients while managing communication with the underlying industrial systems.
OPC Servers provide standardized, vendor-independent access to industrial data and services for OPC client applications.
Modern OPC Servers typically implement OPC Unified Architecture (OPC UA), although many continue to support legacy OPC Classic specifications such as OPC DA, HDA and A&E to facilitate integration with existing industrial systems.
An OPC Server exposes industrial information and services to connected applications, whereas OPC clients consume that information for visualization, analysis, control or integration.
Industrial Automation; Information Management; System Integration.
Process automation.; Manufacturing.; Oil and gas.; Utilities.; SCADA.
IEC 62541
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