Posts Tagged ‘OPC’

OPC .NET 3.0 is New Name for OPC Xi

Posted in Data Management, Interoperability on Friday, November 12th, 2010. No comments yet
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In case you haven’t seen this news yet, the OPC Foundation has renamed OPC Xi to OPC .NET 3.0 (WCF). Let’s call it OPC .NET 3.0 for short. It’s the same client/server connectivity standard and functionality for the process industries that I’ve been describing as OPC Xi in earlier posts. I turned to Emerson’s Chris […]

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Secure, Firewall Friendly Communications

Posted in Emerson Exchange, Interoperability, Technologies on Thursday, October 15th, 2009. No comments yet
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One of the issues with the proven OPC standard has been the communications between OPC client and OPC server when a firewall separates them. The cyber-security challenges that process manufacturers face were not envisioned in the original release of the OPC specification in the mid-1990s. The network transport is based on Microsoft’s distributed component object […]

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EDDL Supports Automatic OPC Server Configuration

Posted in Alarm Management, Interoperability, Measurement on Tuesday, May 6th, 2008. No comments yet
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Emerson’s Jonas Berge is an active member in the ISA SP104 committee, responsible for advancing the Electronic Device Description Language (EDDL) standard (also known as IEC 61804-3.) You may recall Jonas from earlier EDDL posts. This standard creates interoperability between digital field devices from simple sensors to complex devices (drives, analyzers, etc.) with control and […]

Understanding Software Architecture, Integration and Security in Automation

Posted in Cyber-Security, Interoperability, Project Services, Support Services on Wednesday, October 17th, 2007. No comments yet
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While at the recent ISA Expo 2007, I had the chance to listen to Emerson’s Jonas Berge‘s presentation on software for automation. Jonas is an active member in the ISA SP104 committee. This committee is responsible for advancing the Electronic Device Description Language (EDDL) standard. A few years back he wrote a book, Software for […]