Inspection
Work Planning
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The OPC Classic specification for real-time industrial data exchange between devices and software applications.
OPC Data Access (OPC DA) is the OPC Classic specification that standardizes real-time communication between industrial devices, control systems and software applications. It enables clients to read, write and subscribe to live process data through a common interface, providing vendor-independent access to automation systems.
OPC Data Access standardizes the exchange of real-time industrial process data between automation systems and software applications.
OPC DA is based on Microsoft COM/DCOM technology and remains widely implemented in existing industrial control systems, although new systems typically adopt OPC Unified Architecture (OPC UA).
OPC Data Access provides standardized access to live process data, whereas OPC Historical Data Access provides access to archived historical information.
Industrial Automation; Information Management; System Integration.
Process automation.; Manufacturing.; Oil and gas.; Utilities.; SCADA.
OPC Foundation
VisualAIM connects glossary concepts to the asset records, inspection histories, and workflows they describe.
