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The Concepts of a 4-20mA current Loop

4-20mA Current loops are widely used to transmit process variable data such as temperature, pressure, flow rate, level, consistency, speed, etc between the process controllers and the field devices. Transmitters…

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Top 10 DCS Companies in the world

Distributed Control Systems (DCS) is being used to control a production plant or a process for over 40 years now. They were commercialized with the launch of TDC 2000 by…

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Top 10 Industrial Automation companies in the world

Industrial automation and robotics enable large-scale manufacturing at a lower cost. It enables an increase in productivity and product quality. There are many industrial automation service providers around the globe.…

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Difference between PLC and DCS

In the world of industrial automation, Programmable logic controllers (PLC) and Distributed Control Systems (DCS) are used to control or automate a process or a machine. They monitor the field…

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Difference between NPN and PNP transistors | NPN vs PNP Transistor

The bipolar junction transistors exist as NPN and PNP types. This article intents to help you understand the difference between these two types and how to use them in a…

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Types of Proximity sensors and their applications

Proximity sensors are used to detect the presence of an object without any direct contact. It is used as an alternative to the limit switches. There are various types of…

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Difference between NO and NC

In every control circuits and automation systems, logic is developed based on the open or closed state of switches, sensors or relays. Hence it is mandatory to know the concept…

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Digital I/O and Analog I/O

Automation has become the backbone of almost all industries worldwide. Digital IO and analog IO are the most basic terms of any PLC/DCS based control and microcontroller-based applications. A PLC…

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PLC, DCS, RTU, SCADA and PAC Systems

PLC - Programmable Logic Controller Programmable logic controllers are electronic devices used to control a process. It consists of CPU; Input and output devices, power supply, communication and redundancy units.…

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