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Control System Data Acquisition Server

Definition

The server that provides the interface between the control system LAN applications and the field equipment monitored and controlled by the control system applications. The DAS, sometimes referred to as a Front-End Processor (FEP) or Input/Output server (IOS), converts the control system application data into packets that are transmitted over various types of communications media to the end device locations. The DAS also converts data received from the various end devices over different communications mediums into data formatted to communicate with the control system networked applications.

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