Deluge Valve Working Principle

What is a Deluge Valve ? Deluge Valves are used in conditions that require for quick application of large volumes of water and, for that reason, are often integral components in…

Circuit Breaker Working Principle Animation

A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit from damage caused by overload of electricity or short circuit. A circuit breakers function is to…

What is a Mimic Panel ?

Even though PCs are widely used for viewing of the processes, there is still no substitute to mimic panels which are also called as mimic display panels. In mimic display…

Foundation Fieldbus Tutorials

In each tutorial different aspect of fieldbus technology, installation, and applications etc are covered. Much of the material from these tutorials is found in the following 12-Part Presentation Series. If…

Fieldbus Analog Input Function Block

The Analog Input (AI) function block processes field device measurements and makes them available to other function blocks. The output value from the AI block is in engineering units and…

Introduction to Fieldbus Function Blocks

Introduction A fieldbus system is a distributed system composed of field devices and control and monitoring equipment integrated into the physical environment of a plant or factory. Fieldbus devices work…

Difference Between Absolute and Gauge Pressure

Pressure can be described as the force applied to an area. There are many different systems of pressure measurement, with absolute pressure and sealed gauge pressure being two of the…

Humidity Measurement Principle

Humidity measurement is an important tool for predicting the climate outdoors as well as controlling the climate indoors. Humidity control is especially important in living, storage, and manufacturing sites. Definitions…

Pressure Switch Terminology

Pressure switches are very popular and important in plant control and instrumentation. They are mainly used in control circuits and power circuits. This piece will discuss common terminology associated with…

Differential Pressure Switch Principle

The Differential Pressure Switch just like the pressure switch is a simple electro- mechanical device that operates on the basic principles of Levers and opposing forces. They are mainly used…