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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Temperature Measurement

Common Reasons for RTD Failures and How to Prevent Them

Table of ContentsIntroduction to Common Reasons for RTD FailuresWhat Is an RTD and How Does It Work?What Is a Resistance Temperature DetectorPlatinum RTD Working PrincipleTwo Wire RTDThree Wire RTDFour Wire RTDCommon Industrial Applications of RTDsWhy RTDs Fail in Industrial ApplicationsEnvironmental Factors Affecting RTD PerformanceMechanical...
Instrumentation Questions

Advanced PID Tuning Quiz for Process Industries: Test Your Industrial Process Control Expertise

Why Take This Advanced PID Tuning Quiz? Effective PID tuning is essential for achieving stable, efficient, and reliable process control across modern process industries. Well tuned PID controllers improve product quality, reduce energy consumption, minimize equipment wear, and enhance plant safety. This Advanced PID Tuning...
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Engineering

Marshalling Panel vs Junction Box vs System Cabinet: Complete Guide for Instrumentation and Control Engineers

Table of ContentsUnderstanding the Difference Between Junction Box, Marshalling Panel, and System Cabinet Why Junction...
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...
Instrumentation Questions

Troubleshooting Coriolis Flowmeter in Process Industries Advanced Quiz for Instrumentation Engineers

Real World Coriolis Flowmeter Troubleshooting Scenarios from Refineries, Chemical Plants, Power Plants, and Process...
Instrumentation Calculators

Calibration Interval Risk Calculator for Industrial Instrument Calibration Planning

Table of ContentsIntroduction to Calibration Interval Risk CalculatorWhat Is a Calibration Interval Risk Calculator?Why...
Instrumentation Calculators

Transmitter Calibration Calculator: How to Calculate Span, LRV, URV, and 4 to 20 mA Signal Percentage

Table of ContentsIntroduction to Transmitter Calibration CalculatorTransmitter Calibration CalculatorWhat Is a Transmitter Calibration Calculator? How...
Instrumentation Calculators

DP Calculator for Zero Suppression in Open Tank Level Measurement

Table of ContentsUnderstanding DP Calculator for Zero Suppression in Open Tank Level MeasurementDP Calculator...
IoT

OT Cybersecurity Norms: Complete Guide to IEC 62443, NIST SP 800 82 and Industrial Control System Security

Table of ContentsIntroduction to OT Cybersecurity Norms and Industrial Control System SecurityWhat Is OT...
Instrumentation Questions

Top 25 Advanced Safety PLC MCQs for Instrumentation and Functional Safety Engineers

Introduction to Safety PLC and Functional Safety Engineering Safety PLC systems are essential to modern...
Communication

PROFIBUS vs PROFINET: Complete Industrial Network Comparison

Table of ContentsPROFIBUS vs PROFINET Explained for Industrial AutomationWhy PROFIBUS and PROFINET Still Matter...
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Temperature Measurement

Common Reasons for RTD Failures and How to Prevent Them

Table of ContentsIntroduction to Common Reasons for RTD FailuresWhat Is an RTD and How...
Instrumentation Questions

Advanced PID Tuning Quiz for Process Industries: Test Your Industrial Process Control Expertise

Why Take This Advanced PID Tuning Quiz? Effective PID tuning is essential for achieving stable,...
Instrumentation Calculators

Instrument Air Header Pressure Drop Calculator for EPC Instrumentation Design

Instrument Air Header Pressure Drop Calculator | AutomationForum.co :root{ --navy:#0a2540; ...
Control Valve

Why Control Valve Hunts in AUTO but Runs Smoothly in MANUAL

Table of ContentsIntroduction to Control Valve Hunting in AUTO ModeWhy This Problem Is Common...