OPC Specifications

Since the first specification, in aug. 1996, the OPC Foundation released a lot of specifications to solve a great amount of communication's problems. All these specification can be accessed in their specification's download page.

The most important OPC Specifications are:

OPC Overview - General description of all OPC Specifications

OPC Common Definitions and Interfaces - Basic functionality of all specifications

OPC Data Access Specification - Specifications of data read/write

OPC Alarms and Events Specification - Events monitoring interface specifications

OPC Historical Data Access Specification - History data access interface specification

OPC Batch Specification - Specification of Batch process data access interface

OPC Security Specification - Security policy interface specifications

OPC Data eXchange(DX) Specification - Define the data exchange interface specification

OPC and XML Specification - Specification of OPC and XML integration