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
twitter
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

<!-- Google Fonts (safe to keep as a inside a WordPress "Custom HTML" block) --> *,*::before,*::after{box-sizing:border-box;margin:0;padding:0} :root{ --brand:#1a5f9e; --brand-dark:#13467a; --brand-light:#e8f2fc; --accent:#f59e0b; --accent-dark:#d97706; --danger:#dc2626; --success:#16a34a; --warn:#d97706; --text:#1e293b; --text-muted:#64748b; --border:#cbd5e1; --bg:#f8fafc; --card:#ffffff; --radius:8px; ...
spot_img

Keep exploring

Industrial Automation

Top Causes of Intrinsically Safe (IS) Loop Failure and How to Avoid Them

Table of ContentsWhy Intrinsic Safety is ImportantRegulatory Framework for Intrinsic SafetyTop Causes of Intrinsically...
PLC

Difference Between Standard and Safety PLCs: Features, Applications & Future Trends

Table of ContentsWhat is a Standard PLC?What is a Safety PLC?Standard PLC vs. Safety...
Engineering

Method Statement for Instrumentation Cable Termination

Table of ContentsImportance of Proper Cable Termination in InstrumentationIndustry Codes and Standards for Cable...
Instrumentation Tools

Instrument Power Consumption Calculation Guide – Complete Reference with Excel Download

Table of ContentsWhy Instrument Power Consumption Calculation Important?Typical Instrument Power Ratings (Reference Table)Step-by-Step Method...
Instrumentation Questions

Advanced Quiz on Control System Cybersecurity in Process Industries – Test Your Expertise

Cybersecurity in process industries is now one of the most important things to do...
Automation

SCADA vs. HMI: Complete Guide to Differences, Functions and Applications

Table of ContentsWhy SCADA and HMI are often confused?What is SCADA?What is HMI?Key Differences...
Engineering Standards

ATEX vs IECEx Certification: Complete Guide for Hazardous Area Instrumentation

Table of ContentsWhat is ATEX and IECEx Certification?History and Background of ATEX and IECExATEX...
PLC

Proactive Maintenance Strategies for PLC I/O Modules: Reduce Downtime & Improve Reliability

Table of ContentsWhy PLC and I/O Module Maintenance is Crucial Risks of Poor I/O Module...
Instrumentation Tools

Fire Alarm Detector Coverage Calculator – Professional Excel Tool for Accurate Detector Placement

Table of ContentsWhat is Fire Alarm Detector Coverage?Why Detector Coverage Important in Fire Alarm...
Instrumentation Questions

Advanced Flowmeter Selection Quiz for EPC Engineers in Process Industries

Introduction: Why Flowmeter Selection Matters in EPC Projects One of the hardest things for EPC...
PLC

How to Increase PLC Speed: 7 Optimization Tips + Advanced Programming Guide

Table of Contents1. Optimize PLC Code Structure: Reduce Unnecessary Loops2. Use Interrupts Wisely: A...
Engineering

Intrinsically Safe Cables for ATEX Zones – Complete Checklist for EPC Engineers

Table of ContentsWhat Is an Intrinsically Safe Cable?Characteristics of Intrinsically Safe CablesUnderstanding ATEX and...
Load more

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...