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Overview
The Serial Status DCA software is installed in GE Energy Services WESDAC equipment to
provide an interface to Sub-Remote Units (SRUs) using the Serial Status communication
protocol.
Product Perspective
The Serial Status DCA software is custom software installed in the GE Energy Services Remote
Terminal Unit (RTU) to act as a data concentrator for one or more SRUs using the Serial Status
communication protocol. After the system is installed, the RTU has the ability to function as a
sub-master within a Supervisory Control and Data Acquisition (SCADA) system, which controls
multiple SRUs. Figure 1 represents a complete system overview of how the Serial Status DCA
interfaces with the WESDAC Interface Node (WIN) in a typical GE Energy Services RTU.
The application is designed to communicate with SRUs via the Serial Status protocol. The Serial
Status DCA receives data from the SRUs by polling for data in a master-slave relationship.