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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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Checklist

Checklist for Cable Glanding & Termination 

Table of ContentsSection 1. Safety MeasuresSection 2. Required DocumentationSection 3. Gland Specification CheckSection 4....
PLC

Understanding Watchdog Timers in PLCs

A Watchdog Timer (WDT) is a critical component of embedded systems, particularly Programmable Logic...
Industrial Automation

Why is a 250-Ohm Resistor Important for HART Communication?

Table of ContentsRole of HART Communication in Industrial AutomationEssential Purposes of the 250-Ohm Resistor...
Instrumentation Calculators

Pressure Unit Conversion Calculators 

Welcome to our comprehensive collection of Pressure Unit Conversion Calculators your one-stop solution for...
Instrumentation Calculators

How to Calculate Minimum Flow Rate for Flow Meters from Turndown Ratio?

Flow meters are essential parts of systems that need to monitor flow accurately. However,...
How to

How to Maintain Coriolis Mass Flowmeters ?

Table of ContentsStep 1: Safety PrecautionsStep 2: Work Permit and Lockout-Tagout (LOTO) RequirementsStep 3:...
Temperature Measurement

How to Convert Thermocouple Millivolts to Temperature: A Step-by-Step Guide

Table of ContentsThermocouple Types and Reference Table Type S Thermocouple mV Reference Table: Type...
Instrumentation Questions

Foundation Fieldbus Network Protocol: Top 25 Advanced MCQ

Welcome to the Advanced Foundation Fieldbus Network Protocol Quiz! This quiz is designed to...
Instrumentation Calculators

Collection of Instrument Calibration Activity Calculators for Accurate Adjustments

Achieve accuracy in your calibration tasks with our comprehensive set of calculators. These tools...
FAT Activities

Motor-Operated Valve (MOV) Factory Acceptance Test (FAT) Procedure

Table of ContentsStep 1: Safety Preparation and Initial SetupStep 2:Review of MOV DocumentationStep 3:...
Control System

Understanding Control Valve Functions in Complementary, Exclusive and Progressive Split-Range Control Systems

Table of ContentsTypes of Split-Range Control SystemWhat is Complementary Split-Range Control ?Example Process: Temperature...
Instrumentation Questions

Level Transmitter Calibration Quiz for Instrumentation Technicians and Engineers Interview

Welcome to the Level Transmitter Calibration Quiz, tailored for instrumentation technicians and engineers working...
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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; ...