Several different technologies exist for the conversion of fluid pressure into an electrical signal response.…
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The concepts of calibration (trimming) and ranging are often difficult for new students of instrumentation to…
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A hand switch is exactly what the name implies: an electrical switch actuated by a person’s hand motion.…
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Certain types of nuclear radiation easily penetrates the walls of industrial vessels, but is attenuated by…
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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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“As to methods there may be a million and then some, but principles are few. The man who grasps…
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When a high-energy photon strikes an atom, it may eject one of the lower-level electrons from its shell,…
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In addition to directly performing logic functions, electromechanical relays may also be used as interposing…
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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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Feedback obtained from industrial users of FF reveal a common pattern: Fieldbus is a powerful and reliable…
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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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An electromechanical relay is an electrical switch actuated by an electromagnet coil. As switching devices,…
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(Will be addressed in future versions of this book)
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There are multiple motives for compromising the security of an industrial control system, some of which…
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Since we often use electricity to convey energy from one location to another, it is important to be able to…
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Few areas of mathematics are as powerfully useful in describing and analyzing the physical world as calculus:…
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The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve…
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A fundamental limitation of proportional control has to do with its response to changes in setpoint and…
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Modern analog-to-digital converters are phenomenally accurate, dependable, repeatable, and surprisingly…
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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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