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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Control Valve

Control Valve Not Responding: Troubleshooting Guide

Table of ContentsControl Valve Not Responding - Troubleshooting FlowchartWhy Is My Control Valve Not...
Control System

Why the Cable Shield is Grounded Only at the PLC or Control Panel Side

Table of ContentsUnderstanding Cable Shielding in Instrumentation and Control Systems1. Avoiding Ground Loops: Why...
Control Valve

What is Partial Stroke Test (PST)? A Complete Guide for Shutdown and Control Valves

Table of ContentsWhy Partial Stroke Testing is ImportantWhat is a Partial Stroke Test?Full Stroke...
SIS/ESD

Testing and Repair Deferral – IEC Guidelines, Procedure, and Best Practices

Table of ContentsIntroduction to SIS Testing and Repair DeferralWhat Is SIS Proof Testing?Why SIS...
Instrumentation Questions

Instrumentation Design Deliverables Quiz – 25 Advanced MCQs for Engineers

Welcome, engineers and designers! In the intricate world of process industries like oil &...
Instrumentation Calculators

RTD Callendar–Van Dusen Calculator | Accurate PT100, PT500, and PT1000 Conversion

Table of ContentsEmbedded Interactive CalculatorWhat is the Callendar–Van Dusen Equation?Understanding Different RTD TypesHow the...
Engineering

How to Select the Right Temperature Transmitter: A Practical Guide for Industrial Applications

Table of ContentsWhat is a Temperature Transmitter?Advantages of Using Temperature TransmittersTypes of Temperature Transmitters...
Instrumentation Questions

Advanced Control Valve Hunting Troubleshooting Quiz – Test Your Control Loop Expertise

Why Control Valve Hunting Important The Importance of Control Valve Hunting One of the most...
Instrumentation Calculators

PLC Power Supply Calculator – Complete Guide for Accurate PLC Power Sizing

Table of ContentsWhy You Need a PLC Power Supply Calculator?Understanding PLC Power Consumption CalculationKey...
PLC

Difference Between Triconex PLC and Other PLCs: A Complete Guide

Table of ContentsWhat is a Triconex PLC?What are Conventional PLCs?Key Differences Between Triconex PLC...
Instrumentation Questions

Advanced Electromagnetic Flowmeter Troubleshooting Quiz – 25 Expert Questions

Electromagnetic flowmeters are the most important tools in process industries. They monitor the volumetric...
Engineering

Avoiding Mistakes in Instrumentation Cable Tray Installation: A Guide for EPC Projects

Table of ContentsWhat is an Instrumentation Cable Tray?Common Mistakes in Instrumentation Cable Tray InstallationAdditional...
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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...