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Title: Basic Scada Systems
Author: Rick Kroeker
Source: 2003 International School of Hydrocarbon Measurement
Year Published: 2003
Abstract: A SCADA (Supervisory Control. and. Data Acquisition) system, is. typical, made up of many distributed, remote microprocessors that are communicated to (supervised). by a central computer system most commonly referred, to. as a. host.. Supervisory control implies that the remote unit performs the. local control, function, with the. host performing, the supervisory control, function, such as. writing the. setpoint to the controller.. Not only does the. host system send supervisory commands, to. the remote units, but also. it usually collects, data (data. acquisition) from the. units... Thisdata can. be. used. for many purposes, including feedback to. the system. operator,, trending,, alarming and accounting..

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