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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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Commissioning

Thermocouple Commissioning Checklist

Table of ContentsStep 1: Preparation Documents for Thermocouple CommissioningStep 2: Safety ConsiderationsStep 3: Pre-Commissioning...
Instrumentation Calculators

PSIG to PSIA Conversion Calculator

Table of ContentsWhat is PSIG? What is PSIA?What is Atmospheric Pressure ?Conversion Calculator: PSIG to...
Instrumentation Questions

Advanced SCADA Systems Quiz

Explore this advanced SCADA Systems quiz with 25 challenging questions and thorough explanations. Ideal...
Commissioning

RTD Commissioning Checklist

Table of ContentsStep 1: Preparation Documents for RTD CommissioningStep 2: Safety ConsiderationsStep 3: Pre-Commissioning...
Instrumentation Tools

Reynolds Number Calculator: A Practical Excel Tool

Table of ContentsWhat is the Reynolds number?Excel Tool for Reynolds Number (Downloadable)How to Use...
How to

How to Read Control Valve Hookup Drawings?

Table of ContentsStep-by-Step Procedure interpreting hookup drawingStep 1: Title Block and General InformationStep 2:...
Level Measurement

Submersible Level Transmitters: Applications, Working Principles, and Benefits

Table of ContentsWhat is Submersible Pressure Transmitter?Where Submersible measurement is preferred?How does a Submersible...
Checklist

50+Collection of Essential Instrumentation and Automation Control System Checklists

As more means of ensuring proper performance and reliability of an industrial process instrumentation...
Commissioning

Pressure Transmitter Commissioning Checklist 

Table of ContentsStep 1: Preliminary InspectionStep 2: Preparation for CommissioningStep 3: Safety MeasuresStep 4:...
SCADA

What is Safety Relay? Why is a Normal Electromechanical Relay not Considered Safe?

Table of ContentsWhat is a Safety Relay?Working Principle of a Safety RelayFault Detection of...
How to

RTD Testing Methods

Table of ContentsTest 1: Calibration of RTDTest 2: Insulation Resistance Test at Ambient TemperatureTest...
Instrumentation Calculators

Instrument Calibration Verification Calculator

Table of ContentsCalibration Verification CalculatorCalculator InputsCalculator OutputsFormula and Calculation Steps:Example Calculation for a 5-Point...
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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; ...