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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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Industrial Automation

Exploring Explosion-Proof: Safety in Hazardous Environment

Overview: Explosions represent an important risk to both employees and equipment in a variety of...
Instrumentation Calculators

RTD Calculator: Converting Process Temperature to measured Output Resistance

In various industries, accurate temperature measurement is vital for ensuring product quality, safety, and...
PLC

PLC Ladder Logic for Three Motors drive Simultaneously with Interlocking using Siemens TIA Portal

In an industry a sequence of operation takes place with few motors. The sequence...
PLC

How a PLC reads the data from field transmitters?

A critical challenge in instrumentation and control is converting physical or process variables into...
Instrumentation Calculators

Calculator for 4-20mA Signal to 1- 5Volt and PLC 16-bit Raw Count Values

The converter calculation involves converting analog signals, such as 4-20 mA currents, to meaningful...
Temperature Measurement

Temperature Controller Troubleshooting Guide: Common Problems, Causes and Solutions

Table of ContentsWhat is a temperature controller?How Does a Temperature Controller Work?Inaccurate process Temperature...
Temperature Measurement

Why 4 wire RTD’s measurement accuracy is better than 2 and 3 wire RTD?

Table of ContentsRTD Measurement: An Overview The Requirement for CompensationBenefits of 4-Wire RTD MeasurementLead Wire...
Industrial Automation

All sensors are transducers but all transducers are not sensors

Table of ContentsUnderstanding the Interaction of Sensors and Transducers in Process Instrumentation Examples and DifferencesDefining...
Valves

Control Valves in Process Industries: A Collection of In-Depth Articles

Control Valve Difference Between Single Seated & Double Seated Control Valves Working of Temperature Control Valve...
Instrumentation Questions

Proximity Switch – MCQ1

We will discuss proximity switch questions and answers in this post, along with information...
Valves

Valves: Resource for Professionals in the Process Industry

Types of Valves Types of Valves Globe Valve, Types of Globe Valve Types of Valves Used in...
DCS

Network Switches requirements in “SCADA” and “DCS” Architecture

Network switches are essential for maintaining reliable and effective communication between various devices, sensors,...
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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...