An Introduction to High-Voltage Systems for Hydroelectric Power Plants
An Introduction to High-Voltage Systems for Hydroelectric Power Plants
Source: https://www.cedengineering.com/
Author: J.Paul Guyer
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Definitions of the terms SCADA, DCS, PLC and smart instrument
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SCADA Systems Hardware(And FirmWare)
. Introduction
This chapter introduces the fundamental concepts of DCS systems. The terms Supervisory Control and Data Acquisition (SCADA), Distributed Control System (DCS), Programmable Logic Controller (PLC), and Smart Instrument are defined and placed in the context used in this manual. The chapter is split into the following sections:
Definitions of the terms SCADA, DCS, PLC and smart instrument
Remote terminal unit (RTU) structure
PLCs used as RTUs
System reliability and availability
Communication architectures and philosophies
Typical considerations in configuration of a master station
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SCADA is an acronym for Supervisory Control and Data Acquisition
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Calculate and give limited control instructions to distant process facilities
Concept of SCADA System
SCADA is an acronym for Supervisory Control and Data Acquisition
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Gathers information from widely distributed processes
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Calculate and give limited control instructions to distant process facilities
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