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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Pressure Measurement

Rangeability vs. Turndown Ratio and their Implications for Pressure Transmitter Selection

Table of ContentsRangeability: Definition and CalculationTurndown Ratio: Definition and CalculationWhat is Rangeability?Why is Rangeability...
Interview Questions

Electrical and Instrumentation Project Engineer Interview Question and Answer Guide

Table of Contents1. What are inspection points for a cable tray installation?2. What are...
Analytical Instrumentation

Types of Oxygen Analyzers: Applications and Measurement Methods

Table of ContentsWhat is an Oxygen Analyzer?Stack Gas Oxygen AnalyzersInert Gas Oxygen AnalyzersApplications of...
Instrumentation Calculators

Flowrate to Differential Pressure (DP) Calculator

Flow Transmitter Differential Pressure Calculator For the purpose of calculating the differential pressure of the...
How to

Pressure Switch Troubleshooting and Maintenance in Industrial Process Areas

Table of ContentsSafety PrecautionTools Required for Pressure Switch TroubleshootingUnderstand the System and Type of...
Control Valve

Common Challenges and Solutions for Industrial Control Valve Actuators

Industrial control valve actuators are critical components in various processes across industries such as...
Control Valve

Relationship Between Cv and Kv in Control Valves

Table of ContentsFlow Coefficient DefinitionImportance and ApplicationVariability and StandardizationDefinition of CvDefinition of KvConversion FactorRelationship...
PLC

Designing 2 out of 3 Voting Logic in Control Systems: A Step-by-Step PLC Ladder Diagram Tutorial with Video

In this content, you'll discover how to implement 2 out of 3 voting logic...
Interview Questions

Why not use 0-20mA & 0-15psi instead of 4-20mA & 3-15psi?

Table of ContentsUnderstanding the 4-20mA Current Loop:Understanding the 3-15 psi Pressure SignalWhy use 4-20...
PLC

Common Causes of Programmable Logic Controller(PLC) Failure and Mitigation Strategies

Table of ContentsFactor No.1: Module FailureFactor No.2: Power Supply IssuesFactor No.3: Ground IntegrityFactor No.4:...
Calibration

Master Pressure Calibrators: Precision Tools for Accurate Pressure Instrument Calibration

Table of ContentsDead Weight TesterTop Manufacturers and Models of Dead Weight TesterPressure CalibratorsTop Manufacturers...
PLC

Step-by-Step Guide: Converting Electrical Diagrams into PLC Programs for Industrial Automation

Table of ContentsStep 1: Understanding the Electrical DiagramStep 2:Selecting the PLC and SoftwareStep 3:Creating...
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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...