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What (who) is data acquisition - definition
Data acquisition
SUM OF METHODS OF SIMULTANEOUS OR SEQUENTIAL TIME MEASUREMENT AND COUNTING FOR MEASURABLE OR QUANTIFIABLE DATA AND GROUPS OF CONTIGUOUS DATA
Data acquisition system; USB-DAQ; Data Acquisition
Data acquisition is the process of sampling signals that measure real-world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer. Data acquisition systems, abbreviated by the acronyms DAS, DAQ, or DAU, typically convert analog waveforms into digital values for processing.
data acquisition
SUM OF METHODS OF SIMULTANEOUS OR SEQUENTIAL TIME MEASUREMENT AND COUNTING FOR MEASURABLE OR QUANTIFIABLE DATA AND GROUPS OF CONTIGUOUS DATA
Data acquisition system; USB-DAQ; Data Acquisition
Supervisory Control and Data Acquisition
![Typical SCADA mimic shown as an animation. For process plant, these are based upon the [[piping and instrumentation diagram]].](https://commons.wikimedia.org/wiki/Special:FilePath/Scada std anim no lang.gif?width=200 "Typical SCADA mimic shown as an animation. For process plant, these are based upon the [[piping and instrumentation diagram]].")
SYSTEM FOR SUPERVISORY CONTROL AND SURVEILLANCE OF AN AUTOMATION OR CONTROL SYSTEM
Supervisory Control and Data Acquisition; Supervisory control and data acquisition; HMI/SCADA; SCADA Security
<application> (SCADA) Systems are used in industry to monitor
and control plant status and provide logging facilities.
SCADA systems are highly configurable, and usually interface
to the plant via PLCs.
(1997-02-11)
Examples of use of data acquisition
1. The recorded demonstration, called the Aurora Generator Test,‘‘ was conducted in March by government researchers investigating a dangerous vulnerability in computers at U.S. utility companies known as supervisory control and data acquisition systems.
2. Terra Group of Companies Chairman Kevin Plintz said÷ "We are already organising the transportation of teams and equipment and expect the data acquisition process to be completed by June 2006."
3. "We also know they have the desire to go after Scada [supervisory control and data acquisition] systems which control real–world things – like the opening or closing of a dam or whether an elevator goes up or down." But Bruce Schneider, a leading cryptographer and founder of Counterpane Internet Security, points out that such attacks are yet to happen.
4. "But cyber is now also the vehicle of choice for the bad guys to deliver and organize their services." Security experts say many of the computers that operate critical infrastructure –– known as supervisory control and data acquisition (SCADA) networks – are increasingly being connected to Microsoft Windows systems and to the Internet to offer public utilities a cost–effective way to manage their far–flung assets.