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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

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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Instrumentation Questions

Troubleshooting Analog Output Signals in PLC Loops – Advanced Scenario-Based Quiz for Process Industries

Why Mastering PLC AO Signal Troubleshooting Matters in Process Plants Learn how to fix PLC...
Instrumentation

Edge AI Based Predictive Instrumentation Calibration and Health Monitoring for Process Plants

Table of ContentsWhy Edge AI Based Predictive Calibration Is the Latest Trend in Instrumentation...
Communication

Duplicate Modbus Address in Temperature Multiplexers Causes Plant Shutdown – Real Incident & Root Cause

Table of ContentsIncident Summary: 36 Temperature Tags Dropped to Zero and Alarm FloodingTimeline &...
Instrumentation Calculators

MIMO Decoupling Matrix Designer for Multivariable Process Control

MIMO Decoupling Matrix Designer /* =========================== DECORATED MIMO CALCULATOR WordPress Responsive...
Instrumentation

Live Signal Verification 4 to 20 mA Loop Standard Operating Procedure (SOP)

Table of ContentsPurpose: Live Signal Verification for 4-20 mA LoopsScope: Systems, Transmitters and ExclusionsSafety...
Instrumentation Questions

Advanced SIS Troubleshooting Quiz for Process Industries (25 MCQs with Answers)

SIS Troubleshooting Quiz Questions and Answers This quiz is for experienced safety, instrumentation, and SIS...
PLC

PLC Alarm and Trip Documentation Procedure – EPC PLC Automation Engineer Guide

Table of ContentsPLC Alarm and Trip Documentation Purpose and Objectives of the ProcedureScope and Explicit...
PLC

Resolution in PLCs – The Complete Guide for Automation & Instrumentation Engineers

Table of ContentsWhy Resolution in PLCs Matters in Industrial AutomationWhat Is Resolution in PLCs?...
Instrumentation Calculators

Valve Actuator Sizing Calculator – Complete Engineering Guide for Torque, Safety Factor & Gear Ratio Selection

Valve Actuator...
Engineering Standards

IEC 61511 Safety Bypass And Override in Instrumentation and Control System Maintenance

Table of ContentsIEC 61511 Safety Bypass and OverrideUnderstanding Safety Bypass And Override In A...
Instrumentation Questions

PLC Programming Basics Quiz for Automation Engineers – Process Industries

Why Automation Engineers in Process Industries Should Master PLC Programming Basics This short, advanced quiz...
PLC

PLC Data Types Every Automation Engineer Must Know to Avoid Costly Programming Errors

Table of ContentsWhy PLC Data Types Matter in Real-World AutomationCommon PLC Programming Problems Caused...
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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,...