An exciting development in industrial instrumentation is the WirelessHART radio communication standard,…
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Abdelaziz, Ahmed (June 2014) Identified numerous typographical errors throughout the book, mostly repeated…
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These fortifications focus on human behavior rather than system design or component selection. In some ways…
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Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
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At the root of successful system diagnosis is a rigorous adherence to scientific reasoning. There exists no…
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Every programmable logic controller must have some means of receiving and interpreting signals from real-world…
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Developed by the Modicon company (the original manufacturer of the Programmable Logic Controller, or PLC) in…
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Some of the simplest types of digital communication networks found in industry are defined by the EIA…
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Imagine a major marathon race, where hundreds of runners gather in one place to compete. When the starting gun…
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Pipe is a hollow structure designed to provide an enclosed pathway for fluids to flow, usually manufactured…
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Cyber-security seems to have its own vocabulary, ranging from unwieldy technical acronyms to slang terms…
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A technological advance introduced in the late 1980’s was HART, an acronym standing for Highway…
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At the next OSI Reference Model layer (layer 4) is a set of protocols specifying how reliable communication…
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Labwork is an essential part of any science-based curriculum. Here, much improvement may be made over the…
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I remember first learning about the world-wide Internet, and wondering what it actually looked like. The first…
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An exciting development in industrial instrumentation is the WirelessHART radio communication standard,…
Textbook
Every programmable logic controller must have some means of receiving and interpreting signals from real-world…
Textbook
Developed by the Modicon company (the original manufacturer of the Programmable Logic Controller, or PLC) in…
Textbook
An engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
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I remember first learning about the world-wide Internet, and wondering what it actually looked like. The first…
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In the United States, the ANSI and IEEE organizations have standardized a set of numerical codes referring to…
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Imagine a major marathon race, where hundreds of runners gather in one place to compete. When the starting gun…
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One of the great benefits of digital technology is the ability to communicate vast amounts of information over…
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Light has long been used as a long-range signaling medium. While communication by light through open air is…
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Many years ago, when I was first learning about electricity, I happened to discover a length of coaxial…
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Cyber-security seems to have its own vocabulary, ranging from unwieldy technical acronyms to slang terms…
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The vast majority of PID controllers in service today are digital in nature. Microprocessors executing PID…
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There are multiple motives for compromising the security of an industrial control system, some of which…
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A completely different way of measuring liquid level in vessels is to bounce a traveling wave off the surface…
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A bridge circuit is basically a pair of voltage dividers where the circuit output is taken as the difference…
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At the next OSI Reference Model layer (layer 4) is a set of protocols specifying how reliable communication…
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In a manually-controlled process, a human operator directly actuates some form of final control element…
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Programmable logic controllers are essentially nothing more than special-purpose, industrial computers. As…
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A design-based fortification is one rooted in technical details of system architecture and functionality. Some…
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These fortifications focus on human behavior rather than system design or component selection. In some ways…
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In November of 2007 a new computer virus was submitted to a virus scanning service. The purpose of this new…
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The final step in treating wastewater before releasing it into the natural environment is to kill any harmful…
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Self-balancing pneumatic instrument mechanisms are very similar to negative-feedback operational amplifier…
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What is Calibration? To calibrate an instrument means to check and adjust (if necessary) its response so the…
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Modern DC and AC motor drives provide features useful when using electric motors as final control elements.…
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One of the most common, and most useful, pressure measuring instruments in industry is the differential…
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Much of our knowledge about atomic structure comes from experimental data relating the interaction between…
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“Radio” systems use electromagnetic fields to communicate information over long distances through…
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A limitation inherent to pneumatic valve actuators is the amount of air flow required to or from the actuator…
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There are many process control applications in the industry where it is desirable to have multiple control…
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Programmable logic controllers are essentially nothing more than special-purpose, industrial computers. As…
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A fundamental principle in instrumentation system troubleshooting is that every instrument has at least one…
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A whole class of problem-solving techniques focuses on altering the given problem into a simpler form that is…
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A unique form of technical diagram for describing the abstract functions comprising a control system (e.g. PID…
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Tube, like pipe, is a hollow structure designed to provide an enclosed pathway for fluids to flow. In the case…
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Impedance in a series circuit is the orthogonal sum of resistance and reactance: \[Z = \sqrt{R^2 + (X_L -…
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AC induction motors are based on the principle of a rotating magnetic field produced by a set of stationary…
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For better or worse, there are no fewer than three different forms of PID equations implemented in modern PID…
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Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
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Most people reading this book have likely had the experience of adjusting water temperature using two hand…
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