Feedback obtained from industrial users of FF reveal a common pattern: Fieldbus is a powerful and reliable…
Textbook
Imagine a major marathon race, where hundreds of runners gather in one place to compete. When the starting gun…
Textbook
Developed by the Modicon company (the original manufacturer of the Programmable Logic Controller, or PLC) in…
Textbook
As discussed at the beginning of this chapter, instrumentation safety may be broadly divided into two…
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Cyber-security seems to have its own vocabulary, ranging from unwieldy technical acronyms to slang terms…
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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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Many traditional flowmeter technologies respond to the volumetric flow rate of the moving fluid.…
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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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A design-based fortification is one rooted in technical details of system architecture and functionality. Some…
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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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Some of the simplest types of digital communication networks found in industry are defined by the EIA…
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Like so many other industrial data networks, FOUNDATION Fieldbus is an “unswitched” or…
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There is much to be said for neatness of assembly in electrical signal wiring. Even though the electrons…
Textbook
Every programmable logic controller must have some means of receiving and interpreting signals from real-world…
Textbook
Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
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In order to provide an interface between the internal (digital) world of a computer and the external (analog)…
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Abdelaziz, Ahmed (June 2014) Identified numerous typographical errors throughout the book, mostly repeated…
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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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A technological advance introduced in the late 1980’s was HART, an acronym standing for Highway…
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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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Modern DC and AC motor drives provide features useful when using electric motors as final control elements.…
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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 the United States, the ANSI and IEEE organizations have standardized a set of numerical codes referring to…
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Binary patterns are not just able to represent numerical values. Given a standardized code, they may represent…
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There is much to be said for neatness of assembly in electrical signal wiring. Even though the electrons…
Textbook
An exciting development in industrial instrumentation is the WirelessHART radio communication standard,…
Textbook
Pipe is a hollow structure designed to provide an enclosed pathway for fluids to flow, usually manufactured…
Textbook
Every programmable logic controller must have some means of receiving and interpreting signals from real-world…
Textbook
Imagine a major marathon race, where hundreds of runners gather in one place to compete. When the starting gun…
Textbook
Programmable logic controllers are essentially nothing more than special-purpose, industrial computers. As…
Textbook
These fortifications focus on human behavior rather than system design or component selection. In some ways…
Textbook
I remember first learning about the world-wide Internet, and wondering what it actually looked like. The first…
Textbook
One of the great benefits of digital technology is the ability to communicate vast amounts of information over…
Textbook
A completely different way of measuring liquid level in vessels is to bounce a traveling wave off the surface…
Textbook
Light has long been used as a long-range signaling medium. While communication by light through open air is…
Textbook
Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
Textbook
Developed by the Modicon company (the original manufacturer of the Programmable Logic Controller, or PLC) in…
Textbook
In a manually-controlled process, a human operator directly actuates some form of final control element…
Textbook
An engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
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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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RTDs are completely passive sensing elements, requiring the application of an externally-sourced electric…
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In modern industry, the most popular form of field-level signal transmission for variable industrial…
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Learning from reading printed text is a kind of problem-solving activity it is own right. The problem is how…
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When I began teaching full-time in 1998, most of what I thought I understood about good teaching was actually…
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Nearly every technical course teaches and tests students on definitions, basic concepts, and at least some…
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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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Process analyzers measure the concentration of specific substances for the purpose of measuring and/or…
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All substances are comprised of various elements in various combinations and proportions. Elements may thus be…
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In addition to directly performing logic functions, electromechanical relays may also be used as interposing…
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A much simpler alternative to continuous vibration sensors (displacement or acceleration) and monitoring…
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While the term “probability” may evoke images of imprecision, probability is in fact an exact…
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Lipták, Béla G. et al., Instrument Engineers’ Handbook – Process Measurement and Analysis Volume I,…
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Labwork is an essential part of any science-based curriculum. Here, much improvement may be made over the…
Textbook
Regardless of valve type, all stem-actuated control valves require some form of seal allowing motion of the…
Textbook
One of the simplest classes of temperature sensor is one where temperature effects a change in electrical…
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Suppose we wished to measure the rate of propane gas flow through a hose to a torch: Flowmeters appropriate…
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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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The simple PLC ladder diagram (LD) commands consist of contacts and coils, arranged in sequences that mimic…
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The dispersion of visible light into its constituent colors goes all the way back to the 17th century with…
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