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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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Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple Color Code and EMF Calculator?Why Thermocouple Wire Color and Polarity MatterHow to Use the Thermocouple EMF CalculatorThermocouple EMF Calculation FormulaType K Thermocouple EMF Calculation ExampleHow to Interpret Thermocouple EMF Calculator...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD Testing and Safety PrecautionsThree Important Checks for RTD Testing With a MultimeterHow to Test an RTD With a Multimeter Step by StepPT100 Resistance Versus Temperature TableHow to Test Two Wire,...
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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 -...
Instrumentation Questions

Quiz on Control Valve Positioners

Control valve positioners are essential components in the field of instrumentation and control engineering....
Instrumentation Calculators

Frequency(Hz) to 4 to 20 mA Signal Conversion Calculator

Table of ContentsWhat is Frequency to Analog 4 to 20 mA Conversion?Frequency to Analog...
Installation Procedure

Best Practices for Impulse Tubing Installation

Table of ContentsSection 1: Material SelectionSection 2: Tubing Length and RoutingSection 3: Support and...
Instrumentation Calculators

Control Valve Kv to Cv Conversion Calculator

Table of ContentsControl Valve Kv to Cv Conversion CalculatorControl Valve KV and CV Definitions:Formula...
Checklist

Checklist: Preventive Maintenance Procedure for Closed Tank Wet Leg Level Measurement

Table of Contents Purpose of this ProcedureScope of this ProcedureDefinitionsResponsibilitiesSafety PrecautionsTools and Equipments Required for...
PLC

Logic Gates in PLC Programming: A Guide with Truth Tables and Ladder Logic Diagrams

Programmable Logic Controllers (PLCs) are crucial in industrial automation, controlling machinery and processes by...
Instrumentation Questions

Quiz on Distributed Control Systems(DCS)

Test your knowledge of Distributed Control Systems (DCS) with this comprehensive quiz. Covering essential...
Instrumentation Calculators

Transmitter Calibration Span, LRV and URV Value Calculator from Measured 4 to 20 mA

Table of ContentsHow to Use the CalculatorKey Concepts of this CalculationStep 1: Understand the...
How to

RTD Tolerance Calculation

Table of ContentsWhat is RTD Tolerance?RTD Standards and Accuracy ClassesRTD Tolerance Testing for IEC...
PLC

PLC Programming Example: Using Timers to Control Motors with a Single Switch

Table of ContentsPLC Programming Example on TimersLadder LogicIncorporating Turn-Off Timer and On-Delay TimerSimulation StepsSimulation...
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Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD...
SIS/ESD

Inhibit vs Bypass in Process Plants: DCS, PLC and ESD/SIS Differences

Table of ContentsWhy Understanding Inhibit vs Bypass in Process Plants MattersWhat Is an Inhibit...
Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled...