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 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 PAAdvantages of Profibus PA Over 4-20 mA SystemsHow Profibus PA Communication WorksManchester Bus Powered (MBP) TechnologyHow Data and Power Share the Same CableMain Components of a Profibus PA NetworkHost SystemDP...
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Industrial Automation

Safety Light Curtain Working Principle: How Does a Safety Light Curtain Work?

Table of ContentsWhat is a Safety Light Curtain?Main Components of a Safety Light CurtainHow...
Instrumentation Calculators

Shield Grounding Noise Calculator for Instrumentation: A Practical Engineer Guide

Automation

How to Choose the Right HMI Display for Industrial Automation

Table of ContentsIntroduction to HMI Display Selection in Industrial AutomationWhat Is an HMI Display...
PLC

ControlLogix 5590 Explained: Next-Gen PLC for Smart Manufacturing

Table of ContentsIntroduction to Next-Generation PLCsWhat is ControlLogix 5590 PLC?Key Features of ControlLogix 5590...
Instrumentation Questions

Can You Solve Closed Tank Level Measurement Failures? Advanced Instrumentation Troubleshooting Quiz

Closed Tank Level Measurement Troubleshooting Quiz for Process Industry Professionals When the process is pressured,...
SIS/ESD

Top Critical Mistakes in Safety Instrumented System Design as per ISA 84 Standard and How to Avoid Them

Table of ContentsWhy Safety Instrumented System Design Mistakes Matter in Process IndustriesWhat Is a...
Control Valve

Globe vs Ball vs Butterfly Control Valves Complete Comparison Guide for Flow Control Selection and Applications in Process Industries

Table of ContentsIntroduction to Control Valve Selection in Process IndustriesWhat is a Globe Valve...
Instrumentation Calculators

IS Barrier Earth Fault Current Calculator | Intrinsic Safety Loop Design Tool

Table of ContentsWhat is an IS Barrier Earth Fault Current Calculator?Why IS Barrier Earth...
Calibration

Differential Pressure Switch Calibration Procedure

Table of ContentsWhat Is a Differential Pressure Switch and How Does It Work?Why Differential...
Instrumentation Questions

Vortex Flow Meter Troubleshooting – Transmitter Diagnostic Quiz for Engineers

Quiz Scope: Transmitter Faults, Signal Issues and Installation Pitfalls This quiz is for process, instrumentation,...
Engineering

When to Choose Forward and Reverse Acting Control Valves for Design Engineer

Table of ContentsForward Acting Control Valve vs Reverse Acting Control Valve: Selection GuideWhat is...
Engineering

Understanding Zener vs Galvanic Isolation in IS Loops for 4 to 20 mA Systems

Table of ContentsWhat is Zener vs Galvanic Isolation in Intrinsic Safety LoopsWhat is a...
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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...
Instrumentation Questions

Advanced DCS Documentation Quiz for Process Industries with Answers and Explanations

What is DCS Documentation and Why is it Critical in Process Industries? In the process...