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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PLC

ControlLogix 5590 Explained: Next-Gen PLC for Smart Manufacturing

Table of ContentsIntroduction to Next-Generation PLCsWhat is ControlLogix 5590 PLC?Key Features of ControlLogix 5590...
Instrumentation Questions

Can You Solve Closed Tank Level Measurement Failures? Advanced Instrumentation Troubleshooting Quiz

Closed Tank Level Measurement Troubleshooting Quiz for Process Industry Professionals When the process is pressured,...
SIS/ESD

Top Critical Mistakes in Safety Instrumented System Design as per ISA 84 Standard and How to Avoid Them

Table of ContentsWhy Safety Instrumented System Design Mistakes Matter in Process IndustriesWhat Is a...
Control Valve

Globe vs Ball vs Butterfly Control Valves Complete Comparison Guide for Flow Control Selection and Applications in Process Industries

Table of ContentsIntroduction to Control Valve Selection in Process IndustriesWhat is a Globe Valve...
Instrumentation Calculators

IS Barrier Earth Fault Current Calculator | Intrinsic Safety Loop Design Tool

Table of ContentsWhat is an IS Barrier Earth Fault Current Calculator?Why IS Barrier Earth...
Calibration

Differential Pressure Switch Calibration Procedure

Table of ContentsWhat Is a Differential Pressure Switch and How Does It Work?Why Differential...
Instrumentation Questions

Vortex Flow Meter Troubleshooting – Transmitter Diagnostic Quiz for Engineers

Quiz Scope: Transmitter Faults, Signal Issues and Installation Pitfalls This quiz is for process, instrumentation,...
Engineering

When to Choose Forward and Reverse Acting Control Valves for Design Engineer

Table of ContentsForward Acting Control Valve vs Reverse Acting Control Valve: Selection GuideWhat is...
Engineering

Understanding Zener vs Galvanic Isolation in IS Loops for 4 to 20 mA Systems

Table of ContentsWhat is Zener vs Galvanic Isolation in Intrinsic Safety LoopsWhat is a...
Instrumentation Calculators

Instrument Earthing Resistance Calculator for Process Industries Complete Engineering Guide

Table of ContentsInstrument Earthing and Industrial Grounding SystemsWhat is Instrument Earthing in Process IndustriesOverview...
Calibration

Internal Audit Checklist for ISO Process Instrument Calibration in Process Industries

Table of ContentsISO Instrument Calibration Audits in Process IndustriesWhat is an ISO Instrument Calibration...
Instrumentation Questions

Oxygen Analyzer Basics in Process Industries – Advanced Quiz for Instrumentation Engineers

Why Oxygen Analyzers are Critical in Power Plants and Process Industries Power plants, refineries, and...
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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...
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,...