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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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...
Communication

Understanding the Four Types of Registers in Modbus Protocol

Table of ContentsWhy Understanding the Four Types of Registers in Modbus Protocol Is Important What...
Control Valve

What Are the Most Common Failure Modes of Control Valves?

Table of ContentsIntroduction: Why Are Control Valves Critical in Industrial Process Control?Why Is Control...
Instrumentation Questions

Instrument Loop Diagram Preparation Quiz for EPC Engineering

Test Your Instrument Loop Diagram Knowledge with Real EPC Engineering Scenarios Challenge your expertise with...
Instrumentation Calculators

Intrinsic Safety Entity Parameter Calculator for Reliable Hazardous Area Loop Design

Intrinsic Safety Entity Parameter Calculator | AutomationForum.co :root{ --navy:#0f2a4a; ...
Communication

HART Communicator Unable to Detect Instrument: Complete Troubleshooting Guide (No Device Found Error)

Table of ContentsWhy Is My HART Communicator Unable to Detect the Instrument?What Does "No...
SIS/ESD

Process Safety vs Functional Safety: Key Differences, SIS, SIF, SIL & IEC 61511 Guide

Table of ContentsIntroduction to Process Safety vs Functional SafetyWhy Many Engineers Confuse Process Safety...
Cybersecurity

Top Cybersecurity Threat Identification Methods Every Security Professional Should Know

Table of ContentsUnderstanding Cybersecurity Threat IdentificationWhat is Cybersecurity Threat Identification?Cybersecurity Threat Identification LifecycleTop Cybersecurity...
Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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Communication

Profibus PA Communication Problems: Causes, Symptoms and Troubleshooting Guide

Table of ContentsOverview of Profibus PA Communication Challenges What is Profibus PA Communication?Definition of Profibus...
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Latest articles

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...