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Input/Output Server

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The Input/Output (I/O) server provides the interface between the control system LAN applications and the field equipment monitored and controlled by the control system applications. The I/O server, sometimes referred to as a Front-End Processor (FEP) or Data Acquisition Server (DAS), converts the control system application data into packets that are transmitted over various types of communications media to the end device locations. The I/O server also converts data received from the various end devices over different communications mediums into data formatted to communicate with the control system networked applications.1



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