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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Communication

Connecting the Industrial World: An Exploration of Communication Protocols in Automation and Instrumentation

Table of ContentsCommunication Protocols in Automation and InstrumentationHART (Highway Addressable Remote Transducer)ModbusPROFIBUS (Process Field...
How to

How to troubleshoot TRIAC Output for PLC AC Modules?

Table of ContentsChallenges with AC Outputs Driven by TRIACsWhat is TRIAC output in PLC?Understanding...
Instrumentation Questions

Mastering DeviceNet Industrial network protocol: Top Interview Questions and Answers – Part 2

Table of Contents1.What are the benefits of using DeviceNet?2.What protocol does DeviceNet utilize for...
Flow Measurement

Streamlining Your Flowmeter Selection Process: Tips and Insights

Table of ContentsComprehensive Flowmeter Selection ConsiderationsWhat are the key factors to consider when choosing...
Analytical Instrumentation

Dissolved Oxygen Analyser Working Principle

Table of ContentsWhat is Dissolved Oxygen?Measurement of Dissolved Oxygen by the Membrane Electrode MethodClassification...
Flow Measurement

Troubleshooting Guide for Vortex Flow Meter Problems

Table of Contents Vortex Flow Meter Problems and TroubleshootingSymptom 1: No DisplayHow do you troubleshoot...
Instrumentation Questions

Understanding Wireless HART: A Comprehensive interview Questions & Answers Part 3

Learn more about WirelessHART, a wireless communication technology for industrial process automation, in this...
Fire & Gas

Heat Detector Testing Procedure

Table of ContentsWhat are Heat Detectors?What are the types of heat detectors?Steps for Testing...
Analytical Instrumentation

Basics of Chromatography Operation

Table of ContentsWhat is Chromatography?Principles of Chromatography:Components of Chromatography Basics of Chromatography OperationClassification of ChromatographySeparation...
Temperature Measurement

Thermostat Working Principle

Table of ContentsWhat is Thermostat?The Science of Bimetallic ThermostatWhat are the different types of...
Instrumentation Questions

Understanding WirelessHART:Comprehensive interview Questions & Answers Part 2

Table of ContentsHow do Wireless HART devices handle network congestion?Is it possible to have...
Fire & Gas

Testing Procedure of Flame Detector

What is a Flame Detector? Table of ContentsWhat is a Flame Detector?List out the common...
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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...