HomeAuthorsPosts by Sundareswaran Iyalunaidu

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

Measurement Uncertainty Calculator: Calculate Combined and Expanded Uncertainty Using GUM

Measurement Uncertainty Calculator - GUM Method #muc-wrap, #muc-wrap * { box-sizing: border-box !important; } #muc-outer { background: #eef2f8 !important; background-image: linear-gradient(rgba(15,23,42,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(15,23,42,0.045)...
SIS/ESD

Shutdown Philosophy: Engineering Documentation for Process Safety and Emergency Shutdown Systems

Table of ContentsWhat is Shutdown Philosophy and Why is it Important? What Is a Shutdown Philosophy in Process Safety?Why Is Shutdown Philosophy Important in Engineering Projects?What Is the Shutdown Level Hierarchy?How Is a Shutdown Philosophy Developed?What Should a Shutdown Philosophy Document Include?Shutdown Philosophy and Cause...
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Analytical Instrumentation

Exploring Zirconia Oxygen Analyzers in Industrial Applications

Table of ContentsWhat is Zirconia Oxygen Analyzers?Working Principle of Zirconia Type Oxygen AnalyzersConstruction and...
Checklist

P&ID Checklist for Instrumentation Design Engineer

Table of ContentsProject P&ID Design and Verification ProcedureDownloadable P&ID Checklist for Instrumentation Design Engineer Piping...
PLC

Implementation of Control Algorithms in PLC Programming

Table of ContentsWhat is a PLC Algorithm?Components of PLC Control AlgorithmControl Algorithms in PLC...
Instrumentation Tools

Control Valve Cv Calculation Excel Tool for Liquid, Gas, and Steam Services

Table of ContentsFormula Used in this CalculationControl Valve Cv Calculation Excel Tool - Downloadable Our...
PLC

Best Practices for PLC Tag and Address Naming Conventions

Table of ContentsImportance of PLC Tag and Address Naming ConventionsComponents of PLC Tag and...
Instrumentation Calculators

Square Root Extraction Signal to Linear Signal Converter: 4-20mA, 3-15 Psi, 1-5 Volt Signals

In various industrial applications, square root extraction signals are often employed to represent physical...
Control System

Understanding Complementary Split Range Control (CSRC)

Table of ContentsWhat is Complementary Split Range Control (CSRC)?Example Scenario: Temperature Control in a...
Analytical Instrumentation

Understanding ORP Analyzer: Principles, Measurement, and Applications in Industry

Table of ContentsWhat is ORP?OxidationReduction Oxidation-Reduction Potential (ORP) Analyzer Measuring Scale Understanding ORP and the Nernst...
Control Valve

How to Choose Right control Valve Bonnet for your Application?

Table of ContentsFunctions of Control Valve BonnetsChoose Right control Valve Bonnet for your ApplicationFactor...
Instrumentation Calculators

Linear to Square Root Extraction Signal Converter: 4-20mA, 3-15 Psi, 1-5 Volt Signals

In certain applications, pressure measurements are utilized to indirectly determine other variables, such as...
Analytical Instrumentation

Conductivity Transmitter / Analyzer Preventive Maintenance Guide & Checklist

Table of ContentsStep By Step Preventive Maintenance Procedure for Conductivity Transmitter / AnalyzerStep No.1:...
Analytical Instrumentation

Exploring Tunable Diode Laser Spectrometer (TDLS): Components, Principles, and Industrial Applications for Gas Measurement

Table of ContentsTunable Diode Laser Spectrometer (TDLS)Principle of Absorption SpectroscopyComponents of Tunable Diode Laser...
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Instrumentation Calculators

Measurement Uncertainty Calculator: Calculate Combined and Expanded Uncertainty Using GUM

Measurement Uncertainty Calculator - GUM Method #muc-wrap, #muc-wrap * { box-sizing: border-box !important;...
SIS/ESD

Shutdown Philosophy: Engineering Documentation for Process Safety and Emergency Shutdown Systems

Table of ContentsWhat is Shutdown Philosophy and Why is it Important? What Is a Shutdown...
Procedures

Hydraulic System Pressure Switch Troubleshooting: Step by Step Safe Procedure

Table of ContentsWhat Is a Hydraulic Pressure Switch and How Does It Work?Hydraulic Pressure...
Instrumentation Questions

Advanced PLC Interlock Troubleshooting Quiz for Process Industries | 25 Practical PLC Diagnostics Questions for Instrumentation and Automation Engineers

Why PLC Interlock Troubleshooting Matters in Modern Process Industries  Modern process industries depend on reliable...