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 Questions

Safety PLC Basics in Process Industries: 25 Advanced MCQs on Functional Safety, SIL and SIS

Safety PLC Quiz Introduction Safety Programmable Logic Controllers play an important role in protecting personnel, equipment and industrial processes from hazardous operating conditions. In process industries, Safety PLCs form part of the Safety Instrumented System, executing Safety Instrumented Functions designed to reduce identified risks. Understanding...
PLC

Best AI Tools for PLC Programming: ChatGPT vs Claude vs PLC AI Agents

Table of ContentsWhat Is AI Based PLC Programming and How Does It Work?How AI Is Changing Industrial PLC ProgrammingTypes of AI Tools Available for PLC ProgrammingBest AI Tools for PLC ProgrammingAI Tools for PLC Programming Comparison: Features and CompatibilityAI Ladder Logic vs Structured Text...
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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...
SAT Activities

Control Valve Site Acceptance Test (SAT) Procedure – Step-by-Step Field Guide

Table of ContentsWhy a Thorough Control Valve  SAT MattersSAT Purpose and ScopePreparatory Activities -...
Instrumentation Calculators

Advanced Venturi Tube Flow Calculator – Formula, Working & Applications

Advanced Venturi...
Instrumentation Questions

Control Valve Hunting Troubleshooting – Advanced MCQ Quiz

What Is Control Valve Hunting? Control valve hunting is a common and expensive problem in...
Control Valve

ESDV vs EBDV – Fail Close vs Fail Open | Emergency Shutdown Valve vs Emergency Blowdown Valve

Table of ContentsEmergency Valves in Process Safety SystemsWhat is an ESDV (Emergency Shutdown Valve)?What...
PLC

PLC Permissive Logic Troubleshooting Procedure for Instrumentation Engineers

Table of ContentsWhy PLC Permissive Logic is Critical in Process PlantsWhat is PLC Permissive...
Engineering

JB Grouping in Industrial Automation and Instrumentation – Complete Practical Guide for EPC, Site and Commissioning Engineers

Table of ContentsJB Grouping in Process Industry Instrumentation SystemsWhat Is JB Grouping in Instrumentation...
Instrumentation Calculators

PLC Raw Count Calculator: Comparison with PLC Internal Scaling Blocks, Real-World Use Cases and Practical Benefits

Advanced PLC Raw Count Calculator @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;800&display=swap'); :root{ --brand-500: #0b3c5d; --brand-600: #083047; --muted:...
Instrumentation Questions

Gas Turbine Start Interlock & Trip Test Procedure – Advanced Quiz

Why Gas Turbine Startup Interlocks and Trips are Critical Starting up a gas turbine is...
Instrumentation

Beyond Zero: Understanding the Dead Zero Problem in Industrial Analog Signals

Table of ContentsAnalog Signals in Industrial Process ControlUnderstanding Analog Signals in Process InstrumentationCommon Process...
Engineering

Hybrid Level Measurement Selection Procedure for EPC Instrumentation Engineers

Table of ContentsHybrid Level Measurement in EPC ProjectsWhat Is Hybrid Level Measurement in Instrumentation...
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Instrumentation Questions

Safety PLC Basics in Process Industries: 25 Advanced MCQs on Functional Safety, SIL and SIS

Safety PLC Quiz Introduction Safety Programmable Logic Controllers play an important role in protecting personnel,...
PLC

Best AI Tools for PLC Programming: ChatGPT vs Claude vs PLC AI Agents

Table of ContentsWhat Is AI Based PLC Programming and How Does It Work?How AI...
PLC

PLC Analog Output Wiring Procedure: 4 to 20 mA and 0 to 10 V in Process Automation

Table of ContentsUnderstanding PLC Analog Output Wiring for 4 to 20 mA and 0...
Instrumentation Calculators

Thermocouple Extension Cable Selection: Types, Colour Codes, Insulation and Resistance Calculation

Table of ContentsWhat Is Thermocouple Extension Cable and Why Is Correct Selection Important?Thermocouple Extension...