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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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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Cybersecurity

ICS/SCADA OT Cybersecurity Self-Assessment: NIST-Based Procedure for Critical Infrastructure

Table of ContentsIdentifyProtectDetect RespondRecoverAssessment DocumentationReview and UpdateDownloadable Checklist for ICS / SCADA OT Cybersecurity Self-Assessment FAQ...
Instrumentation Questions

Smart Instrumentation Quiz: Test Your Advanced Knowledge in Process Industry Technology

Welcome to the Smart Instrumentation Quiz! This advanced quiz is designed for professionals and...
Instrumentation Calculators

Inch of Mercury (inHg) to Pounds per Square Inch (psi) Pressure Unit Conversion Calculator

This calculator allows you to convert pressure values from Inch of Mercury (inHg) to...
Instrumentation Calculators

Inch of Water (inH2O) to Millibar (mBar) Pressure Unit Conversion Calculator

This calculator provides a quick and easy way to convert pressure values from Inch...
Instrumentation Calculators

Millibar (mBar) to Inch of Water (inH2O) Pressure Unit Conversion Calculator

This calculator allows for quick and precise conversion of pressure values from Millibar (mBar)...
Instrumentation Calculators

Collection of Instrumentation Signal Conversion Calculators

Instrumentation Signal Conversion CalculatorsPV to 4-20mA scaling calculator4-20mA to PV scaling calculatorCalculator for 3-15...
Instrumentation Tools

Fluid Velocity Excel Calculator for Instrumentation Design Engineers

The "Fluid Velocity Calculation Excel Tool in Pipeline" is designed for use in instrumentation...
Checklist

Instrumentation Cable and Wiring Inspection Procedure: Essential  checklist for Project Engineers

Table of ContentsPlanning Phase Documentation ReviewTools and Team CoordinationSafety MeasuresPre-Installation InspectionInstallation InspectionPost-Installation InspectionDocumentation and...
Instrumentation Calculators

Pounds per Square Inch (psi) to Inch of Mercury (inHg) Pressure Unit Conversion Calculator

This calculator allows you to convert pressure values from Pounds per Square Inch (psi)...
Flow Measurement

Why Turndown Ratio is Important when Selecting a Flow Meter ?

Table of ContentsWhat is Turndown Ratio?What is the formula for turndown ratio?Why is Turndown...
Instrumentation Calculators

Inch of Water (inH2O) to Standard Atmosphere (atm) Pressure Unit Conversion Calculator

This calculator provides a simple way to convert pressure values from Inch of Water...
Instrumentation Questions

Advanced Process Control Challenge: 25 Essential APC Questions

Welcome to the Advanced Process Control (APC) Quiz, a comprehensive test designed to assess...
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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; ...