All articles

What is SIS? Difference between SIS and ESD

An instrumented safety function, or SIF, is one or more components designed to perform...

What is Multi-conductor cable?

What is Multi-conductor cable? Multi-conductor cables are a single variation of twisted cable, and each...

PLC controller Input/output Interface

PLC controller inputs An automated system depends to a large extent on the ability of...

Electrical Interview Questions – Part 2

1. Why the capacitors works on ac only? Generally, the capacitor provides infinite resistance to...

Electrical Interview Questions – Part 1

1. What is "pu" in electrical engineering? Pu means per unit and this will be...

What are fixed resistors? Types of Fixed value Resistors

What are fixed resistors? The electrical behavior of a resistor obeys Ohm's law for a...

Doppler Flowmeter, principle, construction and advantages

Doppler flow meters are based on the Doppler principle. The transmitter of a Doppler...

Paddle level switch Working

Table of ContentsWhat is a paddle level switch?Working Principle of Paddle Level Switch:Advantages of...

Types of Automation Systems

What is automation? Industrial automation is mainly concerned with the automation of manufacturing processes, quality...

Control Function can be applied in DCS

In DCS control, basically it is used for a system of controlling devices so...

What is Pressure switch?

What is pressure switch? Pressure switches are used to make or break (open or close)...

How a SCADA works? And Functions of SCADA

The data sources of the field devices at a remote site are the sensors/transducers....