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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PLC

PLC Interface Converter vs Protocol Converter: Key Differences and Industrial Applications

Table of ContentsWhat Is a PLC Interface Converter?What Is a PLC Protocol Converter?What Is an Industrial Communication Gateway?PLC Interface Converter vs Protocol Converter vs Gateway: Key DifferencesIndustrial Applications of PLC Communication ConvertersModbus RTU Transmission Time Calculation for PLC CommunicationHow to Select the Right PLC...
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...
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Calibration

Control Valve Stroke Checking -Complete Procedure, Errors, Setup, and FAQ

Table of ContentsWhat is Stroke Checking of Control Valves?Purpose and Scope of Control Valve...
Calibration

Displacer Level Transmitter Calibration Using Weight for Single Liquid Applications

Table of ContentsWhat is a Displacer Level Transmitter?Working Principle of Displacer Type Level TransmitterStep-by-Step...
PLC

One shot raising and one shot falling instructions in PLC

Table of ContentsOne-Shot InstructionExample of DIFU /One Shot InstructionList few application of One shot...
Instrumentation

Define accuracy and precision

Table of ContentsWhat is the meaning of Measurement?What is meant by Accuracy?Define ResolutionWhat is...
Instrumentation

Difference between accuracy and precision

Table of ContentsAccuracyPrecisionComparison Chart between Accuracy & precision Key difference between Accuracy & PrecisionBull Eye...
Instrumentation

Difference between repeatability and reproducibility

Table of ContentsRepeatabilityWhat is meant by Repeatability?What is the reason for poor repeatability?EquipmentAppraiserHow to...
Industrial Automation

Pneumatic force balance instruments

Table of ContentsIntroduction to force balance instrumentsWhat is a force balance instrument?What is the...
Instrumentation

Skills required for Instrumentation Engineer

Table of ContentsWhat Skills are needed for Instrumentation Engineer?Technical Skills:Research Skills:Communications Skills:Problem-solving Skills:Skills for...
Instrumentation

Non Technical Interview Preparation for Instrumentation and Control Technician

Below mentioned are few non technical questions and sample answers which can be provided...
Instrumentation

Cause and Effect Drawings

Table of ContentsWhat is cause-and-effect drawing?Detailed Explanation of Cause & Effect DrawingsWhat are documents...
Level Measurement

Zero Suppression and Zero Elevation

Table of ContentsWhat is Hydrostatic Pressure?Theory of Hydrostatic Pressure:What is the Hydrostatic Pressure Formula?Level...
Level Measurement

Troubleshooting of DP Type Level Transmitter

Table of ContentsHow do you measure tank level with DP transmitter?For example in the...
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PLC

PLC Interface Converter vs Protocol Converter: Key Differences and Industrial Applications

Table of ContentsWhat Is a PLC Interface Converter?What Is a PLC Protocol Converter?What Is...
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...