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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How to

Step By Step Troubleshooting Guide for Motorized Control Valve (MOV)

Table of ContentsProblem No.1: Actuator Motor Not StartingProblem No.2: Actuator Motor Running ContinuouslyProblem No.3:...
Flow Measurement

Understanding the Working Principle of Multivariable DP Mass Flow Transmitters

Table of ContentsWhat is a Multivariable Transmitter?Conventional Flow Calculation MethodsWorking Principle of DP Multivariable...
Interview Questions

Instrumentation and Control System Interview Questions and Answers

Welcome to our comprehensive collection of interview questions and answers covering various aspects of...
Analytical Instrumentation

6 Factors to Consider When Choosing an Oxygen Analyzer for your Application

Table of ContentsFactor No.1: Oxygen Concentration LevelFactor No.2: Entire Gas Mixture CompositionFactor no.3: Environmental...
How to

Troubleshooting of Oxygen Analyzer : Paramagnetic Type

Table of ContentsWhat is a Paramagnetic Oxygen Analyzer?Step by Step Troubleshooting Procedure for of...
How to

Collection of Preventive Maintenance (PM) Procedures for Instrumentation and Control Systems

Please find attached a complete guide on how to maintain instruments and control systems....
How to

Step by Step Preventive Maintenance Procedure for O2 Analyzers : Paramagnetic Type

Table of ContentsStep 1: Understanding Type of Paramagnetic O2 AnalyzersStep 2: Safety PrecautionsStep 3:...
Instrumentation Calculators

4 – 20 mA to 1 – 5V, 3 -15 Psi and 0.2 – 1.0 Bar Signal Conversion Calculator

Table of ContentsStep 1: 4 to 20 mA to 1 to 5V Signal Conversion...
Analytical Instrumentation

Oxygen Analyzer Working Principle: Paramagnetic Type

Table of ContentsUnderstanding the Paramagnetic Oxygen AnalyzerOperating Principles of Paramagnetic O2 Analyzers Magnetic Proportional Flow...
DIY Projects

Direction and Speed Control of DC Motor Using IR Remote Control

Table of ContentsStatement of the ProblemSchematic of DC Motor Interface with ArduinoCode for Interfacing...
DIY Projects

Bluetooth Controlled application using ESP32

Table of ContentsStatement of the ProblemSchematic of Bluetooth Controlled application using ESP32Code for...
Documentation

Instrument Process Data Sheet

Table of ContentsWhat is a Process Data Sheet?Understanding Structure and Importance of  Process Data...
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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...