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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Instrumentation Calculators

Instrument Earthing Resistance Calculator for Process Industries Complete Engineering Guide

Table of ContentsInstrument Earthing and Industrial Grounding SystemsWhat is Instrument Earthing in Process IndustriesOverview...
Calibration

Internal Audit Checklist for ISO Process Instrument Calibration in Process Industries

Table of ContentsISO Instrument Calibration Audits in Process IndustriesWhat is an ISO Instrument Calibration...
Instrumentation Questions

Oxygen Analyzer Basics in Process Industries – Advanced Quiz for Instrumentation Engineers

Why Oxygen Analyzers are Critical in Power Plants and Process Industries Power plants, refineries, and...
Calibration

Calibration Vs Verification: Key Differences, Procedures, Examples and Best Practices In Process Industries

Table of ContentsCalibration vs Verification: a Commonly Confused ConceptWhy Understanding the Difference Between Calibration...
Engineering

Understanding Instrument Earth (IE) in Industrial Automation – Complete Guide for Engineers

Table of ContentsInstrument Earth (IE) and Signal GroundingWhy Instrument Earth Matters in PLC and...
Instrumentation Calculators

Conductivity Liquid Analyzer Probe Resistance Calculator – Complete Guide for Instrumentation Engineers

Table of ContentsConductivity Probe Resistance Calculator for Liquid Analyzers - Instrumentation ToolWhat is Conductivity...
Calibration

Calibration Interval Schedule Procedure for Process Instrumentation Using Risk-Based Method

Table of ContentsCalibration Interval Scheduling in Process IndustriesPurpose of the Calibration Interval Scheduling ProcedureScope...
Instrumentation Questions

Advanced DP Transmitter Calibration Quiz For Instrumentation Engineers And Technicians

Advanced Differential Pressure Transmitter Calibration Quiz Overview For instrumentation engineers, calibration technicians, and EPC professionals...
SIS/ESD

Redundant Transmitters Explained: Reliability, Voting Logic and SIL for Instrumentation Engineers

Table of ContentsWhy Plants Use Multiple Transmitters for the Same Measurement Key Reasons for Using...
Communication

Ethernet-APL (Advanced Physical Layer): Practical Guide for EPC Instrumentation & Process Automation Engineers

Table of ContentsWhy Ethernet-APL Matters for EPC ProjectsWhat is Ethernet-APL and 10BASE-T1L?Basics Every EPC...
Control Valve

Control Valve Body Material Selection Guide for EPC Design Instrumentation Engineers

Table of ContentsWhy Control Valve Body Material Selection MattersValve Body Vs Trim Critical Distinction...
Instrumentation Calculators

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

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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...