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Control System Nomenclature

There are a few acronyms used to describe industrial computer control systems.

DCS – Distributed Control System

A DCS is typically used to describe a system that controls a process; that is, something that involves moving fluids, like a waste water treatment plant or a refinery.

SCADA – Supervisory Control And Data Acquisition

This usually describes the control system for an automated manufacturing facility like an assembly line for a furniture maker. Continue reading Control System Nomenclature

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Color Blindness, SCADA and HMI

Approximately 5% to 8% of men and 0.5% of women are born colorblind. Usually, these people are categorized as protans (red weak) and/or deutans (green weak). Though there are varying degrees of color blindness, there are some that cannot differentiate red from green, so the colors look the same to them. Continue reading Color Blindness, SCADA and HMI

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How To Create and Plan a SCADA System Architecture

You may be asked to develop a SCADA system from scratch. There may be a number of PLCs that control machines or processes in the facility, and a few HMIs, but they all operate independently and there are no network connections or interfaces to a central SCADA system.

For those who may not be completely familiar with the vernacular, here are some definitions: Continue reading How To Create and Plan a SCADA System Architecture