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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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Flow Measurement

Why Drain and Vent Holes are Essential for Efficient Orifice Plate Operation?

Table of ContentsWhat is Orifice Plate Drain Hole and Vent Hole?What is the Purpose...
Calibration

Step-by-Step Procedure to Calibrate an Absolute Pressure Transmitter

Table of ContentsWhat is an Absolute Pressure Transmitter?Applications of Absolute Pressure TransmittersPurpose and ScopeTools...
Instrumentation Tools

Instrument Air System Design Excel Tool for Design Engineer

Table of ContentsDownload Link for Instrument Air System Design Excel Tool for Design Engineer Overview...
Instrumentation Questions

Closed-Loop Control Valve Troubleshooting: HART, Fieldbus and Diagnostics Skills Quiz

Here is the spacer for Control Valve Troubleshooting Quiz! This newer quiz is meant...
Commissioning

How to Safely Zero a DP Transmitter with 3-Way Valve and 5-Way Valve Manifolds ?

Table of ContentsHow to Zero a Differential Pressure Transmitter using a 5 way-Valve Manifold...
PLC

Step-by-Step PLC Battery Replacement and Maintenance Procedure

Table of ContentsWhat is a PLC battery?Why does a PLC need a Battery?Types of...
Instrumentation Questions

Quiz: DP Type Flow Measurement Transmitter Troubleshooting

Welcome to the ultimate quiz on Differential Pressure (DP) Flow Measurement Transmitter Troubleshooting in...
Instrumentation Calculators

Engineering Units to PLC Raw Counts Conversion Calculator 

Table of ContentsPurpose and use of the Engineering Units to PLC Raw Counts CalculatorHow...
Control Valve

Why Measuring Control Valve Cv is Essential for Proper Valve Sizing ?

Table of ContentsWhat is Cv?Practical Applications of Cv MeasurementFrequently Asked Questions (FAQ) on Control...
Instrumentation Calculators

Essential Engineering Calculators for Process and Instrumentation Engineers

In process and instrumentation engineering, accuracy, efficiency, and precision are very important. Whether it’s...
Engineering

Cable Tray Size Calculation: Formula, Sizing, Fill and Worked Example

Table of ContentsHow Do You Calculate Cable Tray Size?Importance of Cable Tray Sizes and...
Instrumentation Questions

Test Your Expertise in Temperature Control Loop Troubleshooting: Top 25 MCQ

Temperature control loops are critical in maintaining consistent and precise process conditions in various...
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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; ...