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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Interview Questions

Profibus Interview Questions and Answers

Profibus is a vital fieldbus communication standard in automation, ensuring seamless interaction among devices....
Instrumentation Calculators

Instrument Accuracy Calculator

Table of ContentsInstrument Accuracy Calculator: Calculating Accuracy in Engineering UnitsDefinition of Instrument AccuracySignificance of...
PLC

How to use Different Math Functions using the Siemens TIA Portal – Part 2

Table of ContentsSize of Data Type Used by the Different Math Functions in Siemens...
Instrumentation

Key Considerations for Pressure Transmitter Manifold Selection

Table of ContentsOverviewImportance of Pressure Transmitter ManifoldsTypes of Manifold ValvesFactors to Consider When Choosing...
PLC

How to use Different Math Functions using the Siemens TIA Portal – Part 1

Table of ContentsMath Function’s Part ISize of Data Type Used by the Different Math...
DIY Projects

DHT Sensor Interface with Serial LCD Interface using Arduino UNO

Table of ContentsStatement of the ProblemSchematic of Interfacing DHT Sensor with Serial LCD using...
Industrial Automation

Stepper Motor Working Principle

Table of ContentsConstruction of stepper motorWorking Principle of stepper motor Components of a Stepper MotorTypes...
PLC

How to Choose the Best Safety PLC for Your Industry

Table of ContentsIntroductionHow do you compare Safety PLC and Standard PLC?Safety PLC vs. Regular...
Interview Questions

Instrumentation Engineering Standards Interview Questions and Answers

Table of ContentsIngress Protection (IP) Standards Questions and AnswersQuestions & Answers on ATEX StandardsQuestions...
Calibration

LVDT Testing and Calibration

Table of ContentsPurpose and ScopeTools Required for LVDT CalibrationSafety Tips while Handling LVDTCalibration SetupRecording...
Checklist

LVDT Maintenance Procedure with Checklist

Table of ContentsStep 1: Visual InspectionStep 2: Electrical TestingStep 3: Operational TestingStep 4: DocumentationAdditional...
SIS/ESD

Safety Instrumented System(SIS) Interview Questions and Answers

Table of Contents1.What is a Safety Instrumented System (SIS)?2.What is a Safety Instrumented Function...
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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...