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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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 a Control Valve Is Passing?How a Control Valve Should Close Under Normal ConditionsCommon Symptoms of a Passing Control ValveMajor Causes of Control Valve PassingControl Valve Shutoff Performance by Valve TypeHow...
Instrumentation Calculators

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

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SCADA

SCADA Communication Problems and How to Fix Them – A Complete Troubleshooting Guide for Automation Engineers

Table of ContentsSCADA Communication Problems in Industrial AutomationWhy SCADA Communication Problems Occur in Industrial...
Control System

Alarm & Trip Setpoint List in Instrumentation Engineering: The Most Critical Document for Plant Safety

Table of ContentsAlarm & Trip Setpoint Lists in Process PlantsWhat Is an Alarm &...
Automation

Logic Gates Explained with Truth Table Animated Simulator (PLC & Instrumentation Guide)

Table of ContentsWhat Is a Logic Gate?Why Use a Gate Logic Animated Simulator?Who Should...
SIS/ESD

What is SIS, SIF and SIL? An In-Depth Guide to Functional Safety in Process Industries

Table of ContentsFunctional Safety and IEC StandardsWhy SIS, SIF, and SIL are Critical for...
Instrumentation Questions

Three Element Drum Level Control System – Advanced Quiz for Instrumentation Engineers

Introduction to the Three Element Drum Level Control Quiz A Three Element Drum Level Control...
Engineering Standards

What Cables to Use in Ex Zones: Complete Guide for Instrumentation & Control Engineers

Table of ContentsUnderstanding Cable Requirements in Hazardous (Ex) ZonesATEX Cable Requirements for Hazardous Areas...
Checklist

Checklist for Best Radar Level Measurement & Control System Performance

Table of ContentsDesign and Selection Checklist for Radar Level TransmittersInstallation Checklist for Optimal Radar...
Instrumentation Calculators

Wet-Leg Level Calculation for DP Transmitters: Complete Guide for Instrumentation Design Engineers

DP Wet-Leg Level Calculator – Enhanced ...
Automation

Heartbeat Technology in Process Instrumentation – Complete Working, Diagnostics, Verification & Predictive Maintenance Guide

Table of ContentsHeartbeat Technology in Smart InstrumentationThree Core Pillars of Heartbeat TechnologyWorking Principle of...
Instrumentation Questions

Advanced Boiler Burner Control System Troubleshooting Quiz

Why Burner Management System (BMS) Troubleshooting Matters In process plants, boiler burner control systems are...
Engineering

Why Control Valve Characteristics Matter in EPC Instrumentation and Control Engineering

Table of ContentsUnderstanding What Valve Characteristics Actually RepresentInherent vs Installed Control Valve CharacteristicsExploring the...
Checklist

Advanced Integrated Field Instrument Reliability & Cyber-Secure Maintenance Checklist for Smart Process Plants

Table of ContentsWhy Instrumentation Maintenance Has TransformedEvolution of Instrumentation Maintenance in Modern PlantsRise of...
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Latest articles

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

<!-- Google Fonts (safe to keep as a inside a WordPress "Custom HTML"...
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...
Engineering

FAT vs SAT vs SIT: Three Critical Tests That Determine Whether Your Plant Is Truly Ready for Startup

Table of ContentsIntroductionPurpose of Factory Acceptance TestingFactory Acceptance Test ObjectivesFactory Acceptance Test ObjectivesPLC FAT...