In addition to directly performing logic functions, electromechanical relays may also be used as interposing…
Textbook
The most popular form of signal transmission used in modern industrial instrumentation systems (as of this…
Textbook
The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve…
Textbook
Control valves are supposed to deliver reliable, repeatable control of process fluid flow rate over a wide…
Textbook
Modern DC and AC motor drives provide features useful when using electric motors as final control elements.…
Textbook
An interesting parallel to the “unity fraction” unit conversion technique is something referred to…
Textbook
A damper (otherwise known as a louvre) is a multi-element flow control device generally used to throttle large…
Textbook
An on/off valve is the fluid equivalent of an electrical switch: a device that either allows unimpeded flow or…
Textbook
Layer 1 of the OSI Reference Model is where we define the “physical” elements of a digital data…
Textbook
Disconnect Switches Disconnects are switches designed to isolate sections of a power system in case of damage…
Textbook
Many liquid substances undergo a process whereby their constituent molecules split into positively and…
Textbook
Feedback obtained from industrial users of FF reveal a common pattern: Fieldbus is a powerful and reliable…
Textbook
The purpose of a control valve actuator is to provide the motive force to operate a valve mechanism. Both…
Textbook
A wise PLC programmer once told me that the first thing any aspiring programmer should learn about the PLC…
Textbook
At the next OSI Reference Model layer (layer 4) is a set of protocols specifying how reliable communication…
Textbook
The Law of Mass Conservation states that matter can neither be created nor destroyed. The Law of Energy…
Textbook
First, let us review some of the properties of differentials and derivatives, referencing the expression and…
Textbook
Calculus has a reputation for being difficult to learn, and with good reason. The traditional approach to…
Textbook
Impedance in a series circuit is the orthogonal sum of resistance and reactance: \[Z = \sqrt{R^2 + (X_L -…
Textbook
Abdelaziz, Ahmed (June 2014) Identified numerous typographical errors throughout the book, mostly repeated…
Textbook
Facebook
Google
GitHub
Linkedin