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 Questions

Preparation of IO List Documentation in EPC Engineering in Process Industries: Advanced Quiz for Instrumentation and Control Engineers

Why IO List Documentation Matters in EPC Engineering Projects  The IO list is the heart of instrumentation engineering in EPC projects since it integrates field instruments, signal kinds, control systems and execution documentation in a single structured project reference. If the IO list is not...
Procedures

Faulty Thermocouple Replacement Procedure in Process Area: Complete Step-by-Step Field Guide for Instrumentation Engineers

Table of ContentsIntroduction to Thermocouple Replacement in Process AreasPurpose and Scope of the Thermocouple Replacement ProcedureWhen a Thermocouple Should Be ReplacedCommon Signs of a Faulty ThermocoupleHow to Confirm the Fault Before ReplacementPre Job Planning and Work PreparationResponsibilities of Operations and Instrumentation PersonnelReview of P&ID,...
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PLC

Which PLC is Mostly used in the Automation Industry?

Table of ContentsWhy PLCs Still Dominate the Automation WorldMost Popular PLCs in the Automation...
Engineering Standards

S84 / IEC 61511 Standard for Safety Instrumented Systems – Complete Guide

Table of ContentsIntroduction to S84 / IEC 61511What is S84 / IEC 61511 Standard?Key...
Instrumentation Calculators

Free Online PT2000 RTD Calculator – Resistance to Temperature Conversion

A Resistance Temperature Detector (RTD) is a precision sensor that changes electrical resistance with...
Engineering

Interface Level Measurement Selection Procedure – Complete 2025 Guide for Process Engineers

Table of ContentsWhat is a Liquid Interface?Understanding Emulsions (Rag Layers)Step-by-Step Interface Level Measurement Selection...
Instrumentation Questions

Advanced Control Valve Troubleshooting Quiz for Process Control Engineers

Introduction: Advanced Control Valve Troubleshooting Quiz  Troubleshooting control valves is very important for keeping processes...
Communication

Best Practices for Configuring HART Parameters in DCS Software

Table of ContentsChoose the Right Device Drivers (DD/EDD Files)Set Up the Communication ChannelsManage the...
SIS/ESD

Functional Safety Terminology – Excel Download for Industrial Automation

Table of ContentsWhat is Functional Safety?Key Functional Safety Terms and ConceptsDownload: Functional Safety Terminology...
Engineering

Cable Gland Selection for Hazardous Area Installations – Complete 2025 Guide

Table of ContentsWhat Is a Cable Gland?Why Cable Gland Selection Is Critical in Hazardous...
Instrumentation Tools

HVAC Fan Static Pressure Calculator – Accurate Airflow Resistance Estimator for Fan Sizing

Table of ContentsWhat is Fan Static Pressure in HVAC?What does the HVAC Fan Static...
Instrumentation Questions

Temperature Transmitter Troubleshooting Quiz – Advanced Diagnostics for Industrial Applications

Introduction to Temperature Transmitter Challenges Get a good look at how to fix temperature transmitters...
Engineering

Difference Between Intrinsically Safe (IS) and Non-IS Cables

Table of ContentsWhat is an Intrinsically Safe (IS) Cable?Why Intrinsically Safe Cables are used...
Engineering

Checklist for Installation of Local Instruments – Complete Guide for EPC, QA/QC and Commissioning Engineers

Table of ContentsWhy use a Local Instrument Installation Checklist?25+ Point Local Instrument Installation Checklist...
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Instrumentation Questions

Preparation of IO List Documentation in EPC Engineering in Process Industries: Advanced Quiz for Instrumentation and Control Engineers

Why IO List Documentation Matters in EPC Engineering Projects  The IO list is the heart...
Procedures

Faulty Thermocouple Replacement Procedure in Process Area: Complete Step-by-Step Field Guide for Instrumentation Engineers

Table of ContentsIntroduction to Thermocouple Replacement in Process AreasPurpose and Scope of the Thermocouple...
Documentation

Instrument Index Generator for EPC Instrumentation Projects

Table of ContentsInstrument Index Generator for Efficient Instrumentation Documentation ManagementWhat is an Instrument Index...
Instrumentation Calculators

Control Valve Flow Characteristic Calculator: Linear, Equal Percentage, and Quick Opening Guide

Table of ContentsWhy Use a Control Valve Flow Characteristic Calculator? What Is a Control Valve...