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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Instrumentation Calculators

Control Valve Sizing Calculator: Complete ISA S75.01 Cv Calculation Guide for Instrumentation Engineers

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Instrumentation Questions

Solenoid Valve Troubleshooting – Advanced Quiz for Instrumentation Professionals

Introduction to Solenoid Valve Troubleshooting in Process Industries People who work with instrumentation in process...
Engineering

What is HAZOP Study in Instrumentation Engineering for EPC Engineers in Process Industries

Table of ContentsWhy HAZOP Matters in EPC Instrumentation ProjectsWhat is a HAZOP Study?Why HAZOP...
Control System

Noise and Signal Stability Observation for Running Inspection in Instrumentation and Control Systems

Table of ContentsWhy Noise and Signal Stability Matter for Instrumentation DCS and Product QualityUnderstanding...
Control Valve

Control Valve Hunting Due to PID Controller: Causes, Effects, Root Analysis and Complete Troubleshooting Guide for Industrial Process Control Systems

Table of ContentsIntroduction to Control Valve Hunting Due to PID Controller in Industrial Process...
Instrumentation Calculators

Dry Calibration of Displacer Level Troll Using Weight Loss Calculator

Table of ContentsIntroduction to Dry Calibration of Displacer Level TransmittersLevel Troll Weight Loss Calculator...
Instrumentation Questions

ESD Control System Basics Quiz for Process Industries

Introduction To ESD Control Systems In Process Industries In process industries, emergency shutdown control systems...
Calibration

ISO Standards For Instrumentation Calibration Complete Guide for Industrial Engineers

Table of ContentsWhy ISO Standards For Instrumentation Calibration Matter In Process IndustriesKey ISO Standards...
SIS/ESD

ESD vs SIS Difference When to Use Each and Practical Engineering Guide

Table of ContentsESD vs SIS Quick Summary and Core DifferenceWhy Understanding ESD vs SIS...
How to

Process Value Cross Check – Practical Field Procedures for Accurate Transmitter Validation

Table of ContentsWhat is a Process Value Cross Check in Instrumentation?Why Process Value Cross...
Instrumentation Calculators

Mass Flow Rate Converter : Convert kg/s, lb/min, SCFM, L/h and 50+ Units

Table of ContentsOnline Mass Flow Rate Converter for Industrial and HVAC ApplicationsUse the Free...
Instrumentation Questions

Advanced Flow Measurement Selection MCQs for EPC Instrumentation Design Engineers

Professional Flowmeter Selection Quiz for EPC Projects Advanced EPC instrumentation quiz covering flowmeter selection, sizing,...
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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...
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...