The ELCOM utility communication concept

An electric utility communication concept for providing services at the application layer is described. Specific protocols were developed for the application and presentation layer. Standardized ISO protocols for both connection-oriented and connectionless communication were used on lower layers. A possible migration to full ISO compatibility is described. The first version of the concept was specified in 1983 (ELCOM-83). The first implementation was installed in 1985 for communication between a background computer and a SCADA system. Additional facilities (supervisory control, text messages, transport service, etc.) were added in the next version (ELCOM-90). The implementation of ELCOM in a SCADA environment is discussed.<
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