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OPC - OLE (Object Linking and Embedding) for Process Control :: The Industrial Interoperability Standard

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Automation Media is dedicated to develop the awareness and understanding about interoperability in automation by providing best information about open specifications that standardize the communication of acquired process data, alarm and event records, historical data, and batch data to multi-vendor enterprise systems and between production devices. Production devices include sensors, instruments, PLCs, RTUs, DCSs, HMIs, historians, trending subsystems, alarm subsystems, and more as used in the process industry, manufacturing, and in acquiring and transporting oil, gas, and minerals.

Using OPC via DCOM with Microsoft Windows XP Service Pack 2

This paper describes the settings necessary to restore OPC communication when using XP Service Pack 2 (SP2). ....... More Details

DCOM on Non-Microsoft Platforms

Why DCOM on non-Microsoft Platforms; What does EntireX DCOM consist of? Functionality Supported by EntireX DCOM, Current Limitations, Differences, Unsupported Functionality and Hints..... ....... More Details

OPC - Making the Fieldbus Interface Transparent

The performance of fieldbus systems has been studied more or less thoroughly. With the advent of high speed fieldbus systems as PROFIBUS-DP the bottleneck of systems moves..... ....... More Details

OPC Memory Management

Memory management in COM, Automation and OPC servers is a tricky issue. This paper will offer a concise explanation of the major issues and offer suggestions for creating servers and clients that are free of memory leaks... ....... More Details

DCOM, OPC and Performance Issues

There have been persistent and totally unfounded rumors about performance problems with Microsoft DCOM and OPC. We suspect that most of these stories are at best 'wishful thinking' ... ....... More Details

OPC, DCOM and Security

The use of DCOM for remote OPC Client/Server communications is the most common and obviously the approach required for cross-vendor interoperability. Consequently, there are several issues .... ....... More Details

The Performance and Throughput of OPC

The purpose of this white paper is to provide a framework for understanding the performance and throughput of OPC client and OPC server applications. The focus of the study was to evaluate and measure the amount and... ....... More Details

OPC Overview v 1.0

This specification serves as overview to OPC. It gives background information, motivation, architectural highlights and an abstract for each OPC topic. ....... More Details

OPC for Windows CE

Windows CE is a scaled down version of Microsoft Windows intended for use in embedded systems. It features a small footprint, good real time capability and the availability of powerful development tools. The fact that... ....... More Details

Is OPC UA Too Complicated? - Excerpt from "OPC Unified Architecture" Book

OPC Unified Architecture (OPC UA) is the new standard for data communication in process automation and beyond, provided by the OPC Foundation. It is expected that OPC UA will replace the very successful Microsoft-DCOM-based specifications of the OPC ....... More Details


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