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Technology Solutions for Modernizing Legacy OPC DA Control Systems

Request for information on commercially available and/or proven technology for re-engineering of the OPC DA (Data Access) communication protocol for control systems that are impacted by the Microsoft security changes for systems using the Windows operating system and have the OPC classic architecture infrastructure bas…

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Source ID: ZA-148348

Scope overview

Request for information on commercially available and/or proven technology for re-engineering of the OPC DA (Data Access) communication protocol for control systems that are impacted by the Microsoft security changes for systems using the Windows operating system and have the OPC classic architecture infrastructure based on DCOM based communication (where OEM support is no longer available as they have exited the business).

Statusopen
CountrySouth Africa
Publish dateFeb 20, 2026
Submission deadlineMar 6, 2026
Estimated value—
Notice typeprequalification
Sourceza-etenders
BuyerESKOM
Buyer websitehttps://www.etenders.gov.za/
City—

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OrganizationESKOM

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  • E-tendering Help Manual for supplier - 27 January 2025.docx

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Tags & Signals

OPC DA modernizationDCOM communication replacementlegacy control systemsMicrosoft security updatesindustrial protocol migrationOEM support replacementOPC classic architectureindustrial automation compatibility

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