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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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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...
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 Switch Operating PrinciplePressure Switch Hysteresis. Set Point and Reset PointNormally Open and Normally Closed Pressure Switch ContactsHydraulic Pressure Switch vs Pressure TransmitterCommon Hydraulic Pressure Switch Problems and SymptomsPressure Switch Not...
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Instrumentation Tools

Control Valve Sizing Excel tool Without Iteration: Liquid Application

Table of ContentsStep-by-Step Procedure for Valve SizingStep 1:Input Data PreparationStep 2:Inputting Data in to...
Checklist

Checklist for Troubleshooting Control Valve in DCS Loop

Table of ContentsStep 1:Safety ConsiderationsStep 2:Verify Control System and InterlocksStep 3:Control Loop VerificationStep 4:Instrument...
Instrumentation

Instrument Earthing Systems

Table of ContentsSafety Earth (SE)Instrument Earth (IE)Key principles of Instrument Earth Intrinsic Safety Earth (IS)Maximum...
Instrumentation Calculators

Standard Atmospheric Pressure (atm) to Kilopascal (kPa) Conversion Calculator

This calculator helps you quickly convert pressure values from Standard Atmospheric Pressure (atm) to...
Instrumentation Calculators

Kilopascal (kPa) to Standard Atmospheric Pressure (atm) Conversion Calculator

This calculator allows you to quickly convert pressure values from Kilopascal (kPa) to Standard...
Instrumentation Calculators

Millibar (mBar) to Standard Atmospheric Pressure (atm) Conversion Calculator

This calculator helps you easily convert pressure values from Millibar (mBar) to Standard Atmospheric...
Instrumentation Calculators

Standard Atmospheric Pressure (atm) to Millibar (mBar) Conversion Calculator

This calculator allows you to quickly and accurately convert pressure values from Standard Atmosphere...
Instrumentation Calculators

Millibar (mBar) to Torr Pressure Unit Conversion Calculator

This calculator allows you to easily convert pressure values from Millibar (mBar) to Torr,...
Instrumentation Calculators

Megapascal (MPa) to Bar Pressure Unit Conversion Calculator

This calculator allows you to efficiently convert pressure values from Megapascal (MPa) to Bar,...
Instrumentation Calculators

Torr to Millibar (mBar) Pressure Unit Conversion Calculator

This calculator helps you quickly convert pressure values from Torr to Millibar (mBar), useful...
Instrumentation Calculators

Bar to Megapascal (MPa) Pressure Unit Conversion Calculator

This calculator enables you to effortlessly convert pressure values from Bar to Megapascal (MPa),...
Instrumentation Questions

Orifice Plate Flow Measurement Quiz: Test Your Knowledge of Fluid Dynamics

Orifice plates are essential tools in the measurement of fluid flow in piping systems,...
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Latest articles

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...
Instrumentation Calculators

Capacitance Level Sensor Calculator: Calculate Liquid Level and Capacitance for Instrumentation Applications

Capacitance Level Sensor Calculator :root{ --bg:#F2F5F3; --panel:#FFFFFF; ...