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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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...
Checklist

Checklist for Conducting a Running Inspection of a Control Valve in a Process Area

Table of ContentsPreparationSafety PrecautionsWork Permit ProcessPart 1: Control Valve ActuatorPart 2: Control Valve PositionerPart...
PLC

Understanding ON Delay and OFF Delay Timers in PLC Programming

Table of ContentsON Delay Timer (TON)Ladder Diagram - ON Delay TimerProcess Scenario Example -...
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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...