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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Analytical Instrumentation

Understanding ORP Analyzer: Principles, Measurement, and Applications in Industry

Table of ContentsWhat is ORP?OxidationReduction Oxidation-Reduction Potential (ORP) Analyzer Measuring Scale Understanding ORP and the Nernst...
Control Valve

How to Choose Right control Valve Bonnet for your Application?

Table of ContentsFunctions of Control Valve BonnetsChoose Right control Valve Bonnet for your ApplicationFactor...
Instrumentation Calculators

Linear to Square Root Extraction Signal Converter: 4-20mA, 3-15 Psi, 1-5 Volt Signals

In certain applications, pressure measurements are utilized to indirectly determine other variables, such as...
Analytical Instrumentation

Conductivity Transmitter / Analyzer Preventive Maintenance Guide & Checklist

Table of ContentsStep By Step Preventive Maintenance Procedure for Conductivity Transmitter / AnalyzerStep No.1:...
Analytical Instrumentation

Exploring Tunable Diode Laser Spectrometer (TDLS): Components, Principles, and Industrial Applications for Gas Measurement

Table of ContentsTunable Diode Laser Spectrometer (TDLS)Principle of Absorption SpectroscopyComponents of Tunable Diode Laser...
Control Valve

How to Troubleshoot On-Off / Shutdown Valve

Table of ContentsProblem No.1: On-Off Valve Feedback output signal IssueProblem No.2: On-Off Valve is...
Calibration

9 Step Zirconia Oxygen Analyzer Calibration Procedure

Table of ContentsWhat is Zirconia Oxygen Analyzer?Working Principle of Zirconia Type Oxygen AnalyzerWhy Calibration...
Engineering Standards

Codes and Standards for Control Valve Selection in Industrial Applications

Table of ContentsASME (American Society of Mechanical Engineers)ANSI/FCI (American National Standard Institute/Fluid Control Institute)IEC...
Instrumentation

Control Valve Flow Coefficient (Cv) in Industrial Applications

Table of ContentsDefinition of Valve Flow Coefficient (Cv)Significance of Cv in EngineeringStep-by-Step Guide to...
SAT Activities

Site Acceptance Test (SAT) Procedure for PLC Systems

Table of ContentsSection 1: Overview of SAT for PLC SystemsSection 2: Pre-SAT PreparationSection 3:...
Pressure Measurement

Pressure Gauge Failure: Causes, Solutions & Troubleshooting Guide

Table of ContentsFactor No.1: Mechanical VibrationFactor No. 2: PulsationFactor No. 3: Extreme TemperatureFactor No....
Calibration

Differences Between Validation and Calibration

Table of ContentsUnderstanding Validation and CalibrationValidation: Definition and PurposeCalibration: Definition and PurposePerforming Calibration and...
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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...
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...