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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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 through PLC based sequencing, pressure instrumentation, permissives, alarms, trips and automatic standby selection. For automation and instrumentation professionals, understanding this logic is essential for DCS configuration, PLC programming, control panel...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog Input LoopCommon Symptoms of Galvanic Isolator ProblemsStep by Step Galvanic Isolator Troubleshooting ProcedureIndustrial Troubleshooting Case Study: Incorrect DCS Pressure ReadingSafety Precautions for Galvanic Isolator TroubleshootingGalvanic Isolator Selection and Maintenance Best...
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Control Valve

Control Valve Hunting Due to PID Controller: Causes, Effects, Root Analysis and Complete Troubleshooting Guide for Industrial Process Control Systems

Table of ContentsIntroduction to Control Valve Hunting Due to PID Controller in Industrial Process...
Instrumentation Calculators

Dry Calibration of Displacer Level Troll Using Weight Loss Calculator

Table of ContentsIntroduction to Dry Calibration of Displacer Level TransmittersLevel Troll Weight Loss Calculator...
Instrumentation Questions

ESD Control System Basics Quiz for Process Industries

Introduction To ESD Control Systems In Process Industries In process industries, emergency shutdown control systems...
Calibration

ISO Standards For Instrumentation Calibration Complete Guide for Industrial Engineers

Table of ContentsWhy ISO Standards For Instrumentation Calibration Matter In Process IndustriesKey ISO Standards...
SIS/ESD

ESD vs SIS Difference When to Use Each and Practical Engineering Guide

Table of ContentsESD vs SIS Quick Summary and Core DifferenceWhy Understanding ESD vs SIS...
How to

Process Value Cross Check – Practical Field Procedures for Accurate Transmitter Validation

Table of ContentsWhat is a Process Value Cross Check in Instrumentation?Why Process Value Cross...
Instrumentation Calculators

Mass Flow Rate Converter : Convert kg/s, lb/min, SCFM, L/h and 50+ Units

Table of ContentsOnline Mass Flow Rate Converter for Industrial and HVAC ApplicationsUse the Free...
Instrumentation Questions

Advanced Flow Measurement Selection MCQs for EPC Instrumentation Design Engineers

Professional Flowmeter Selection Quiz for EPC Projects Advanced EPC instrumentation quiz covering flowmeter selection, sizing,...
Engineering Standards

IEC 60079-14 Explained: Complete Guide to Hazardous Area Installation for Instrumentation and Control Systems

Table of ContentsWhat is IEC 60079-14 and Why it is Critical For Hazardous Area...
Checklist

Impulse Line Inspection Step By Step Procedure For DP Transmitters

Table of ContentsWhat Is Impulse Line Inspection and Why It Is Critical for DP...
Engineering

Understanding Rangeability vs Turndown Ratio in Control Valve Sizing

Table of ContentsWhy This Distinction Matters for Instrumentation EngineersDefinitions: Rangeability vs Turndown Ratio in...
Instrumentation Calculators

Pressure Unit Converter – ISO and NIST Compliant Professional Calculator for Engineers

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Latest articles

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...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog...
Instrumentation Calculators

Pressure Transmitter Overrange Protection Calculator: Calculate Pressure Surge and Overpressure Risk

Table of ContentsWhat Is Pressure Transmitter Overrange Protection?Pressure Transmitter Overrange Protection Calculator ParametersHow to...
Instrumentation Questions

Advanced Instrument Logic Diagram Quiz for Process Control Systems in Process Industries

Instrument Logic Diagram Quiz Introduction An Instrument Logic Diagram displays the interaction of process conditions,...