Describe the purposes within the organization for data collection by the SCADA historian

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Electrical Engineering

 

Describe the purposes within the organization for data collection by the SCADA historian

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In Supervisory Control And Data Acquisition SCADA systems data acquisition begins with Programmable Logic Controllers PLC or Remote TerminalUnits RTU which retrieve measurements from metering devices and equipmentstatus reports These data elements called tags or points represent a single input or output value monitored or controlled by the system Tags usually appearas valuetimestamp pairs After generation data are eventually sent to other automatons or monitoring servers to let human operators make supervisory decisions Coincidentallydata may also be fed to a data historian to allow trending and other analytical auditing Data historians like InfoPlus by AspenTech PI by OSIsoft or Wonderware Historian by Invensys are proprietary software designed to archive and query industrial automation time series data They store    See Answer
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