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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Control Valve

What is Partial Stroke Test (PST)? A Complete Guide for Shutdown and Control Valves

Table of ContentsWhy Partial Stroke Testing is ImportantWhat is a Partial Stroke Test?Full Stroke...
SIS/ESD

Testing and Repair Deferral – IEC Guidelines, Procedure, and Best Practices

Table of ContentsIntroduction to SIS Testing and Repair DeferralWhat Is SIS Proof Testing?Why SIS...
Instrumentation Questions

Instrumentation Design Deliverables Quiz – 25 Advanced MCQs for Engineers

Welcome, engineers and designers! In the intricate world of process industries like oil &...
Instrumentation Calculators

RTD Callendar–Van Dusen Calculator | Accurate PT100, PT500, and PT1000 Conversion

Table of ContentsEmbedded Interactive CalculatorWhat is the Callendar–Van Dusen Equation?Understanding Different RTD TypesHow the...
Engineering

How to Select the Right Temperature Transmitter: A Practical Guide for Industrial Applications

Table of ContentsWhat is a Temperature Transmitter?Advantages of Using Temperature TransmittersTypes of Temperature Transmitters...
Instrumentation Questions

Advanced Control Valve Hunting Troubleshooting Quiz – Test Your Control Loop Expertise

Why Control Valve Hunting Important The Importance of Control Valve Hunting One of the most...
Instrumentation Calculators

PLC Power Supply Calculator – Complete Guide for Accurate PLC Power Sizing

Table of ContentsWhy You Need a PLC Power Supply Calculator?Understanding PLC Power Consumption CalculationKey...
PLC

Difference Between Triconex PLC and Other PLCs: A Complete Guide

Table of ContentsWhat is a Triconex PLC?What are Conventional PLCs?Key Differences Between Triconex PLC...
Instrumentation Questions

Advanced Electromagnetic Flowmeter Troubleshooting Quiz – 25 Expert Questions

Electromagnetic flowmeters are the most important tools in process industries. They monitor the volumetric...
Engineering

Avoiding Mistakes in Instrumentation Cable Tray Installation: A Guide for EPC Projects

Table of ContentsWhat is an Instrumentation Cable Tray?Common Mistakes in Instrumentation Cable Tray InstallationAdditional...
Commissioning

Pressure Gauge vs Pressure Transmitter: When Readings Don’t Match, Who Should You Trust?

Table of ContentsWhy Do Pressure Gauges and Transmitters Sometimes Disagree?Step-by-Step Troubleshooting GuideScenario 1: The...
Instrumentation Tools

Zirconia Oxygen Analyzer Nernst mV Output Online Calculator – Free Excel Tool

Zirconia Oxygen...
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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...