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 System

Running Inspection for Power Supply and Redundancy Check for Instrumentation and Control Systems in Process Plants

Table of ContentsWhat Is Running Inspection of an Instrumentation and Control System Power Supply?Why Is Power Supply Inspection Important in a Process Plant?What Should Be Checked During Running Power Supply Inspection?How to Check a 24 VDC Power Supply for Instrumentation SystemsWhat Is Power Supply...
Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for isolation, flow control, startup and shutdown operations. An MOV failure can affect production, equipment protection and plant safety. Engineers need to understand actuator operation, motor circuits, torque switches, limit switches,...
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DIY Projects

Interfacing Potentiometer and LCD with Arduino

Table of ContentsStatement of the problemSchematic of interfacing potentiometer and LCD with ArduinoConnection diagram...
PLC

How To Write PLC Program In Keyence PLC Software?

Table of ContentsHow to write PLC Program in Keyence PLC Software? Statement of the ProblemFull...
Flow Measurement

Mastering Thermal Mass Flow Controller Troubleshooting: A Comprehensive Guide

Table of ContentsSymptom 1: Inaccurate Flow MeasurementSymptom 2: Zero Flow ReadingSymptom 3: Fluctuating Flow...
Interview Questions

Mastering DeviceNet Industrial network protocol: Top Interview Questions and Answers – Part 1

Table of ContentsWhat is DeviceNet?Who Pioneered the Development of DeviceNet?What is are DeviceNet system's...
Instrumentation Questions

Proximity Switch MCQ Challenge: Test Your Knowledge!

In this article, we'll provide proximity switch questions and answers, as well as details...
PLC

Comprehensive PLC Panel Installation and Commissioning Checklist (Downloadable)

Table of ContentsOverall System Configuration Checks:Visual Inspection Checks:Electrical Checks:Power Connection Checks:System Power Up (230V...
Instrumentation Calculators

Calibration Error Calculator – Formula, Worked Example & %FS Calculation

Table of ContentsWhat is a Calibration Error Calculator?Why Calibration Error Calculation is ImportantInputs Required...
PLC

Understanding Different types of Timer blocks used in a PLC ladder logic

Table of ContentsGraphical Representation of different Timer used in Siemens TIA PortalDifferent Timer Block...
Fire & Gas

What is Bump Testing? 

Table of ContentsMain Objective of the Bump TestImportance of Bump Testing:Important Definitions:Types of Bump...
Flow Measurement

Electromagnetic Flowmeter Troubleshooting: Identifying and Resolving Issues

Table of ContentsHow to check the flowtube of an electromagnetic flowmeter?Electromagnetic Flowmeter Troubleshooting GuideSymptom...
Industrial Automation

A Beginner’s Guide To Arduino

Introduction A computer-on-chip is a microcontroller. It is a microprocessor, memory, I/O port, and occasionally...
Flow Measurement

Coriolis Flow Meter Installation: Best Practices for Accuracy

For the purpose of determining coriolis flow rate, a Coriolis mass flow meter, which...
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Latest articles

Control System

Running Inspection for Power Supply and Redundancy Check for Instrumentation and Control Systems in Process Plants

Table of ContentsWhat Is Running Inspection of an Instrumentation and Control System Power Supply?Why...
Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for...
FAT Activities

What is Integrated Factory Acceptance Test (IFAT)?

Table of ContentsWhat is Integrated Factory Acceptance Test?Why is IFAT Important in Instrumentation and...
Instrumentation Calculators

Control Valve Leakage Calculator

Table of ContentsControl Valve Leakage Calculator for Seat Leakage Testing What Is Control Valve Leakage?What...