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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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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DIY Projects

Bluetooth Controlled application using ESP32

Table of ContentsStatement of the ProblemSchematic of Bluetooth Controlled application using ESP32Code for...
Documentation

Instrument Process Data Sheet

Table of ContentsWhat is a Process Data Sheet?Understanding Structure and Importance of  Process Data...
Instrumentation

50+ Instrumentation and Control System Troubleshooting Procedure

Explore our 50+ troubleshooting guides covering pressure, flow, level, temperature, weighing, analytical measurement, control...
How to

Control Valve Hunting due to Valve Positioner: Troubleshooting

Table of ContentsUnderstanding the Control Valve PositionerIdentifying Problems with the Control Valve PositionerRoot Cause...
Communication

Foundation Fieldbus H1 Technology

Table of ContentsWhat are the layers of FOUNDATION fieldbus?Physical LayerWhat is Foundation Fieldbus signal?Data...
Calibration

10 Step Oxygen Analyzer Calibration Procedure: Paramagnetic Type

Table of ContentsStep 1: Prepare the Tools Required for Paramagnetic type O2 Analyzer CalibrationStep...
Fire & Gas

Importance of Fire & Gas Detection System

Table of ContentsWhat is the Fire and Gas Detection System?Objectives of Fire & Gas...
Fire & Gas

Basics of Fire Detection System

Table of ContentsWhat is a Fire Detection System? What are the basic components of a...
Communication

Foundation Fieldbus Protocol Basics

Table of ContentsWhat is Foundation Fieldbus?Core Characteristics of Foundation FieldbusTypes of Foundation FieldbusSignificance of...
Analytical Instrumentation

Understanding Cell Constant in Conductivity Analyzers and its Significance

Table of ContentsConductivity Measurement BasicsConductivity Sensor Working PrincipleWhat is Cell Constant?Importance of Cell ConstantWhy...
Analytical Instrumentation

Selection Guide for pH Analyzers in Process Applications

Table of ContentsImportance of pH Analyzer SelectionTypes of pH TransmittersHow to Choose the Most...
Analytical Instrumentation

Gas Analyzer Sampling System

Table of ContentsWhat is the Role of the Sample Handling System in Gas Analyzers?Basics...
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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...