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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Engineering Standards

Key Instrumentation & Control (I&C) Standards Every Engineer Should Know

Table of ContentsWhy Standards Important in Industrial InstrumentationIEC (International Electrotechnical Commission) StandardsISO (International Organization...
Instrumentation Tools

Radar Level Transmitter Calculator for Tank Level Measurement

Table of ContentsWhy radar level transmitters are usedRadar Level Transmitter Calculator - Free Excel...
Instrumentation Questions

Advanced Quiz on Practical Troubleshooting of DO Signals in PLC for Process Industries

Digital Output (DO) signals are the backbone of PLC-based automation, controlling actuators, valves, motors,...
Engineering

Intrinsic Safety Protection Systems: Understanding Ex ia, Ex ib, and Ex ic

Table of ContentsWhat is Intrinsic Safety (IS)?Fault Tolerance and Zener Diodes in IS BarriersExia...
Field Instrumentation

4-20 mA Loop Troubleshooting with Loop Calibrators : A Practical Guide

Table of ContentsWhat is a Loop CalibratorWhy 4-20 mA Loops are Critical in Process...
HVAC

Method Statement for Installation of HVAC Dampers

Table of ContentsObjective of the HVAC Damper Installation Method StatementScope of HVAC Damper Installation...
Instrumentation Questions

Advanced Quiz on Instrument Air Compressor Systems

Instrument air compressors are the most important part of process industries. They provide clean,...
PLC

Why is RTO Used in Place of TON Timer in PLC Program?

Table of ContentsImportance of Timer Functionality in PLCsWhat are TON and RTO Timers? PLC Timers...
Engineering

How to Select the Right Wet Part Materials of Sensors in Process Industries

Table of ContentsWhy Wet Material Selection Matters in Process InstrumentationCommon Wet Materials for Sensors...
Instrumentation Tools

Air Exchange Calculation Excel Tool in HVAC Systems for Design Engineers in Process Industries 

Table of ContentsWhat is Air Exchange in HVAC Systems?Why Air Exchange is Important in...
Level Measurement

Hybrid Level Measurement: Capacitance + Guided Wave Radar (GWR) Technology

Table of ContentsWhat is Hybrid Level Measurement?Explaining the Hybrid Level Measurement DiagramCapacitance Principle in...
Instrumentation Calculators

RTD Class C Tolerance Calculator – IEC 60751 Standard Accuracy

Table of ContentsWhat is RTD Accuracy Class According to IEC 60751?IEC 60751 Accuracy Class...
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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...