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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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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,...
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 in Process Automation?What Is a Bypass in Process Automation?What Is Override Control in Process Automation?Inhibit vs Bypass in DCS, PLC and SISHow Inhibit and Bypass Work in Control LogicInhibit and...
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How to

How to Maintain Coriolis Mass Flowmeters ?

Table of ContentsStep 1: Safety PrecautionsStep 2: Work Permit and Lockout-Tagout (LOTO) RequirementsStep 3:...
Temperature Measurement

How to Convert Thermocouple Millivolts to Temperature: A Step-by-Step Guide

Table of ContentsThermocouple Types and Reference Table Type S Thermocouple mV Reference Table: Type...
Instrumentation Questions

Foundation Fieldbus Network Protocol: Top 25 Advanced MCQ

Welcome to the Advanced Foundation Fieldbus Network Protocol Quiz! This quiz is designed to...
Instrumentation Calculators

Collection of Instrument Calibration Activity Calculators for Accurate Adjustments

Achieve accuracy in your calibration tasks with our comprehensive set of calculators. These tools...
FAT Activities

Motor-Operated Valve (MOV) Factory Acceptance Test (FAT) Procedure

Table of ContentsStep 1: Safety Preparation and Initial SetupStep 2:Review of MOV DocumentationStep 3:...
Control System

Understanding Control Valve Functions in Complementary, Exclusive and Progressive Split-Range Control Systems

Table of ContentsTypes of Split-Range Control SystemWhat is Complementary Split-Range Control ?Example Process: Temperature...
Instrumentation Questions

Level Transmitter Calibration Quiz for Instrumentation Technicians and Engineers Interview

Welcome to the Level Transmitter Calibration Quiz, tailored for instrumentation technicians and engineers working...
Instrumentation Tools

Restriction Orifice plate Sizing Excel Tool

Table of ContentsWho Uses the Restriction Orifice Sizing Tool ?When Should Restriction Orifice Sizing...
Instrumentation Calculators

Pounds per Square Foot (psf) to Bar Pressure Unit Conversion Calculator

This calculator allows you to convert pressure values from Pounds per Square Foot (psf)...
Engineering

Intrinsic Safety Calculation for Instrumentation Engineers: Complete Guide

Table of ContentsPurpose of Intrinsic SafetyComponents of an Intrinsically Safe LoopUnderstanding Intrinsic Safety (IS)...
Instrumentation Calculators

Top Essential Control Valve Calculators and Excel Tools for Instrumentation Engineers

Make your control valve calculations easier and more accurate with our wide range of...
Installation Procedure

Instrumentation Cable Tray Installation Checklist and Inspection Procedure

Table of ContentsStep 1. Pre-Installation Preparations: Safety and Risk AssessmentStep 2. Prepare the required...
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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...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog...