The simplest form of 4-20 mA current loop is the type used to represent the output of a process controller,…
Textbook
In this section I will show screenshots from a process loop simulation program illustrating the effectiveness…
Textbook
Much has been written about the benefits of robust PID control. Increased productivity, decreased equipment…
Textbook
In order for any PID controller to be practical, it must be able to do more than just implement the PID…
Textbook
The disadvantages of pneumatic instruments are painfully evident to anyone familiar with both pneumatic and…
Textbook
This section does not describe a particular type of flowmeter, but rather a design that may be implemented for…
Textbook
Sometimes we encounter a diversity of instrument signal standards in one control system. Such is the case with…
Textbook
Converting between disparate units of measurement is the bane of many science students. The problem is worse…
Textbook
A positive displacement flowmeter is a cyclic mechanism built to pass a fixed volume of fluid through with…
Textbook
Take for instance the problem of measuring fluid flow through a pipe. To the layperson, this may seem to be a…
Textbook
Modern DC and AC motor drives provide features useful when using electric motors as final control elements.…
Textbook
Like so many other industrial data networks, FOUNDATION Fieldbus is an “unswitched” or…
Textbook
A fluid is any substance having the ability to flow: to freely change shape and move under the influence of a…
Textbook
A chemical reaction resulting in a net release of energy is called exothermic. Conversely, a chemical reaction…
Textbook
The dispersion of visible light into its constituent colors goes all the way back to the 17th century with…
Textbook
A sliding-stem valve body is one where the moving parts slide with a linear motion. Some examples of…
Textbook
An exciting development in industrial instrumentation is the WirelessHART radio communication standard,…
Textbook
Hydrogen ion activity in aqueous (water-solvent) solutions is a very important parameter for a wide variety of…
Textbook
A machine in the broad sense of the word is any device designed to translate some form of energy into useful…
Textbook
“Feedforward” is a rather under-used control strategy capable of managing a great many types of…
Textbook
Few areas of mathematics are as powerfully useful in describing and analyzing the physical world as calculus:…
Textbook
Linearity of Measurement Instruments The purpose of calibration is to ensure the input and output of an…
Textbook
Those familiar with industrial instrumentation will find much within the electric power industry remarkably…
Textbook
Fieldbus devices require far more attention in their initial setup and commissioning than their analog…
Textbook
Facebook
Google
GitHub
Linkedin