Areej, Author at Instrumentation and Control Engineering

Difference between AS-I and DeviceNet

On July 20, 2018 by Areej

Introduction In this session we are gonna discuss about Difference between AS-I and DeviceNet .before reading this just go through An overview of industrial communication network so you will get a brief idea about other communication protocols AS-i Actuator Sensor-interface is an open system network developed…

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Working of Aspirating Smoke Detection

On July 19, 2018 by Areej

Introduction Aspirating smoke detection ensures reliable fire detection in demanding application areas, where very early fire detection is required and business continuity is paramount. Aspirating smoke detectors continually draw samples of air from the areas requiring protection and evaluate these samples for…

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What is Mass spectrometry ?

On July 17, 2018 by Areej

Introduction Mass spectrometry is a powerful analytical technique used to quantify known materials, identify unknown compounds within a sample and to elucidate the structure and chemical properties of different molecules. The complete process involves the conversion of the sample into gaseous ions,…

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Working of Laser Smoke Detector

On July 17, 2018 by Areej

Introduction Laser Smoke Detector senses the earliest particles of combustion. And that provides early warning of fire. Its high sensitivity is balanced with high stability to minimise false alarms. Like an ionization detector,Laser technology gives you fast response detection in high sensitivity…

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Difference between Twisted Pair,Fiber Optic and Coaxial cables

On July 14, 2018 by Areej

Introduction Network topologies connect individual devices. Such connections allow the devices to share and exchange information. The most frequently used in the process industries are the star, the bus, and the ring network systems.But we need a transmission media for that lets…

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Accessories and Protective Devices for transformers

On July 13, 2018 by Areej

Introduction In this session we are gonna discuss about some protective devices and accessories ie used in transformers 1.Double-float Buchholz relay For sudden pressure rise and gas detection in oil-immersed transformer tanks with conservator. Installed in the connecting pipe between tank and…

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What is a Stepper Motor?

On July 10, 2018 by Areej

What is a Stepper Motor? Stepper motors are DC motors that move in discrete steps. They have multiple coils that are organised in groups called “phases”. By energizing each phase in sequence, the motor will rotate, one step at a time. With…

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Introduction to busway and it’s applications

On July 10, 2018 by Areej

Introduction Commercial and industrial distribution systems use various methods to conduct electric power. These methods often include heavy conductors that work in trays or ducts. The cable and conduit assemblies are expensive and their installation requires a lot of time. Once installed,…

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Data Handling Instructions for PLC

On July 7, 2018 by Areej

Introduction This session contains general information about the data handling instructions for plc and explains how they function in your application program. Convert to BCD (TOD) Use this instruction to convert 16-bit integers into BCD values. If the integer value you enter…

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Comparison instructions of PLC

On July 7, 2018 by Areej

Introduction Comparison instructions in PLC are used to test pairs of values to condition the logical continuity of a rung. As an example, suppose a LES instruction is presented with two values. If the first value is less than the second, then…

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