History of the PLC (Programmable Logic Controller)
You might have heard about the famous quote, “Necessity brings innovation”.This perfectly fits in the case of PLC (Programmable Logic Controller) as well.You may...
What is PLC (Programmable Logic Controller)?
If you are associated with Industrial Automation, then you might have heard about PLCs – right?So, what is PLC? and why the name –...
What is the difference between 2 wire 3 wire and 4 wire transmitters?
Wiring a process instrument is quite hectic. Because, before you wire it you should know whether the transmitter is 2-wire, 3 wire or 4-wire....
Become a PLC Pro: The Ultimate Guide to Finding the Best PLC Training Courses
Are you interested in learning about PLC programming? Do you want to sharpen your skills and become a PLC Pro? If yes, then read...
Light Dependent Resistor: Working Principle and its Applications
What is an LDR?
An LDR is a photoelectric device. LDR stands for Light Dependent Resistor also known popularly as photo-resistor.
Working Principle of LDR
The semiconductor...
How does Pulse Oximeter works?
You are likely to have come across Pulse Oximeters if you have been to a doctor for treatment of the illness.Although most people do...
Inductive Proximity Sensor: Working Principle and its Application
An inductive sensor is a type of proximity sensor.What does proximity sensor mean? Proximity sensor means - if any object comes into its vicinity,...
Basics of Ladder Logic
Ladder logic is one of the most popular PLC programming languages used by electrical engineers. The inputs, outputs, and logic functions used in ladder...
How does a Fiber optic sensor work?
In this article, I would discuss what fiber optics are and how they work in industrial photoelectric sensing. Continue reading to learn key terms...
9 Ways the Internet of Things Can Change Modern Engineering
What is the Internet of Things ( IoT)?
The Internet of Things is the smart system that collects and shares data across the Internet. It...