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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Engineering

FRL Unit Selection Procedure for On Off Instrumentation Control Valves

Table of ContentsWhat Is an FRL Unit in Pneumatic On Off Control Valve Service?Why FRL Selection Matters for On Off Control Valve ApplicationsApplication Background of FRL Units in Pneumatic Valve PackagesStep by Step FRL Selection ProcedureStep 1. Identify the Valve and Actuator TypeStep 2....
Instrumentation Calculators

Advanced HART Loop Calculator for Reliable 4 to 20 mA and HART Communication

Table of ContentsWhat Is a HART Loop Calculator and Why It Matters in Field InstrumentationWhy HART Loop Calculation Is Important for Process IndustriesHow HART Communication Works in a 4 to 20 mA LoopWhy Voltage Headroom Matters for Reliable Device OperationUnderstanding Loop Resistance, Voltage Drop,...
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Temperature Measurement

Master Temperature Calibrators: Precision Tools for Accurate Temperature Instrument Calibration

Table of ContentsDry Block CalibratorsAdvantages of Dry Block Calibrators:Disadvantages of Dry Block Calibrators:Applications of...
PLC

Designing 2 out of 4 Voting Logic in Control Systems: A Step-by-Step PLC Ladder Diagram Tutorial with Video

Table of ContentsDefinition of Voting 2 out of  4 LogicInputs and Outputs of Voting...
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:...
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Engineering

FRL Unit Selection Procedure for On Off Instrumentation Control Valves

Table of ContentsWhat Is an FRL Unit in Pneumatic On Off Control Valve Service?Why...
Instrumentation Calculators

Advanced HART Loop Calculator for Reliable 4 to 20 mA and HART Communication

Table of ContentsWhat Is a HART Loop Calculator and Why It Matters in Field...
Engineering

Marshalling Panel vs Junction Box vs System Cabinet: Complete Guide for Instrumentation and Control Engineers

Table of ContentsUnderstanding the Difference Between Junction Box, Marshalling Panel, and System Cabinet Why Junction...
Instrumentation Questions

Preparation of IO List Documentation in EPC Engineering in Process Industries: Advanced Quiz for Instrumentation and Control Engineers

Why IO List Documentation Matters in EPC Engineering Projects  The IO list is the heart...