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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Communication

PROFIBUS vs PROFINET: Complete Industrial Network Comparison

Table of ContentsPROFIBUS vs PROFINET Explained for Industrial AutomationWhy PROFIBUS and PROFINET Still Matter in Real PlantsPROFIBUS Explained: Protocol, Types and Industrial UsesWhat is PROFIBUS DP?What is PROFIBUS PA?Why Engineers Still Trust PROFIBUSPROFINET Explained: Ethernet Based Industrial CommunicationWhy PROFINET Is Used in Modern AutomationWhat...
Commissioning

Loop Checking Field vs Control Room Reading Mismatch Explained

Table of ContentsIntroduction to Field vs Control Room Reading MismatchWhat Is Loop Checking in InstrumentationTypical Loop Checking WorkflowIndustrial Example of Flare Flow Meter Reading MismatchReal Physics Behind Loop Current DeviationMost Common Causes of Field vs DCS Reading MismatchStep by Step Troubleshooting Workflow:  Field vs...
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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...
Fire & Gas

Types of Flame Detectors and Their Uses in Industrial Fire Prevention (Complete Engineer’s Guide)

Table of ContentsWhat Are Flame Detectors? (Definition, Function & Industry Importance)Why Flame Detectors Are...
SIS/ESD

SIF PFDavg / SIL Verification – Complete Guide + Online Calculator (IEC 61508 / 61511)

Table of ContentsSIF PFDavg / SIL Verification CalculatorWhat is a Safety Instrumented Function (SIF)?Understanding...
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Communication

PROFIBUS vs PROFINET: Complete Industrial Network Comparison

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

Loop Checking Field vs Control Room Reading Mismatch Explained

Table of ContentsIntroduction to Field vs Control Room Reading MismatchWhat Is Loop Checking in...
Checklist

What Causes 80% of Instrument Failures in Industry? Top 10 Causes and Prevention Methods

Table of ContentsIntroduction on Instrument Failures Seen Most Frequently in Process. PlantsWhy Instrument Reliability...
Instrumentation Calculators

Impulse Line Freezing Risk and Heat Tracing Calculator for Instrumentation Engineers

Table of ContentsIntroduction to Impulse Line Freezing Risk and Heat TracingImpulse Line Freezing Risk...