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Sundareswaran Iyalunaidu

With over 24 years of dedicated experience, I am a seasoned professional specializing in the commissioning, maintenance, and installation of Electrical, Instrumentation and Control systems. My expertise extends across a spectrum of industries, including Power stations, Oil and Gas, Aluminium, Utilities, Steel and Continuous process industries. Tweet me @sundareshinfohe
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Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple Color Code and EMF Calculator?Why Thermocouple Wire Color and Polarity MatterHow to Use the Thermocouple EMF CalculatorThermocouple EMF Calculation FormulaType K Thermocouple EMF Calculation ExampleHow to Interpret Thermocouple EMF Calculator...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD Testing and Safety PrecautionsThree Important Checks for RTD Testing With a MultimeterHow to Test an RTD With a Multimeter Step by StepPT100 Resistance Versus Temperature TableHow to Test Two Wire,...
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Valves

Explain the difference between a Control Valve and a Shut-Off Valve and give an example of when you would use each

Table of ContentsWhat is a Control Valve?What is a Shut-Off Valve?Differentiate between Control Valve,...
Instrumentation Questions

Instrumentation and Process Control Quiz Hub – 1000+ MCQs for Engineers

Welcome to the most comprehensive collection of Instrumentation and Control quizzes – curated for...
Valves

Fail Open Vs Fail Close valves

Table of ContentsWhat is fail open and fail close valve?What is FO and FC...
How to

How to read the data sheet of a pressure switch

Understanding how to interpret a pressure switch's instrument data sheet (gauge pressure, differential pressure,...
Instrumentation Calculators

Unloaded Steam Cost calculator

What is the unloaded steam cost? The fundamental comparison between the amount of steam we...
Industrial Automation

Industrial communication protocols

Table of ContentsModbusEthernetProfibusDeviceNetOSIFieldbusHARTFiber opticsRS-232 RS-422 or RS-485 protocolsWireless communicationOther communication protocolsTrouble shooting communication systemHardware...
How to

How to do troubleshooting of a 4-20mA loop?

Table of ContentsComponents in the 4-20mARequired tools for the troubleshooting of 4-20mA loopTroubleshooting a...
How to

How to use Siemens TIA Portal to create PLC Ladder Logic for three phase motor Forward and Reverse

Table of ContentsDeclaration of Input and Output for each PLC blockVarious phases of working...
Level Measurement

Effect of Tank Design on Accuracy of Level Measurement

Table of ContentsTank Shape and GeometryTank Size and HeightConstruction MaterialTank Wall ThicknessEffects of Sloshing...
Analytical Instrumentation

Displacement Transducer and its Classification

Table of ContentsWhat is a Displacement Transducer?Working Principle of Displacement TransducersClassification of Displacement TransducersClassification...
Calibration

Electromagnetic flowmeter Calibration procedure

Table of ContentsStep by Step Calibration Procedure for Electromagnetic Flow MeterStep 1: Tools Required for...
Industrial Automation

Metering Skids at process industries

Table of ContentsWhat is metering skid?What is the function of metering skid?What are the...
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Latest articles

Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD...
SIS/ESD

Inhibit vs Bypass in Process Plants: DCS, PLC and ESD/SIS Differences

Table of ContentsWhy Understanding Inhibit vs Bypass in Process Plants MattersWhat Is an Inhibit...
Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled...