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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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Interview Questions

Top 30 Refinery Instrumentation Interview Questions and Answers for Maintenance

Securing a position as an Instrumentation Maintenance position in a refinery requires a thorough...
How to

How to simulate 4-20ma signal with Loop Calibrator ?

Table of ContentsStep 1. Safety PrecautionsStep 2. Required Tools and EquipmentStep 3. Preparation for...
PLC

UP Counter in PLC Programming

Table of ContentsWhat is an UP Counter?Key Components of an UP CounterBasic Operation of...
Instrumentation Questions

PLC Timers Quiz

Welcome to the PLC Timer Quiz! This quiz is designed to test and enhance...
Instrumentation Calculators

4 to 20 mA Transmitter Output Process Value Calculator

Table of Contents4 to 20 mA Transmitter Output Process Value CalculatorFormula for 4 to...
Commissioning

Differential Pressure Transmitter Commissioning Checklist for Flow Measurement Applications

Table of ContentsSection :1 Preliminary InspectionSection :2 Preparation for CommissioningSection :3 Safety MeasuresSection :4...
Industrial Automation

Importance of Instrument Air in Process Plant

Table of ContentsWhat is Instrument Air?What is the Purpose of Instrument Air in a...
Instrumentation Questions

Quiz: Understanding LEL (Lower Explosive Limit) in Gas Detection

Discover the fundamentals of LEL (Lower Explosive Limit) gas detection through this comprehensive quiz....
Instrumentation Tools

Pressure Safety Relief Valve Basic Sizing Tool – Liquid Applications

Table of ContentsSafety Valve Sizing - Liquid ServiceFormula and Calculation for Pressure Safety Valve...
PLC

Retentive Timer On (RTO) in PLC Programming

Table of ContentsWhat is Retentive Timer On (RTO)?Components of an RTO TimerHow the RTO...
Industrial Automation

Steam Turbine Interlocks and Associated Protection Systems

Table of ContentsTurbine Trip Interlocks OverviewSteam Turbine Interlock Scenarios and Management  This document outlines critical...
PLC

Understanding Remote I/O in PLC Control Systems

Table of ContentsWhat is I/O in the PLC control System?What is Remote I/O?How Remote...
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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...