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

Why Control Valve Hunts in AUTO but Runs Smoothly in MANUAL

Table of ContentsIntroduction to Control Valve Hunting in AUTO ModeWhy This Problem Is Common...
Communication

Understanding the Four Types of Registers in Modbus Protocol

Table of ContentsWhy Understanding the Four Types of Registers in Modbus Protocol Is Important What...
Control Valve

What Are the Most Common Failure Modes of Control Valves?

Table of ContentsIntroduction: Why Are Control Valves Critical in Industrial Process Control?Why Is Control...
Instrumentation Questions

Instrument Loop Diagram Preparation Quiz for EPC Engineering

Test Your Instrument Loop Diagram Knowledge with Real EPC Engineering Scenarios Challenge your expertise with...
Instrumentation Calculators

Intrinsic Safety Entity Parameter Calculator for Reliable Hazardous Area Loop Design

Intrinsic Safety Entity Parameter Calculator | AutomationForum.co :root{ --navy:#0f2a4a; ...
Communication

HART Communicator Unable to Detect Instrument: Complete Troubleshooting Guide (No Device Found Error)

Table of ContentsWhy Is My HART Communicator Unable to Detect the Instrument?What Does "No...
SIS/ESD

Process Safety vs Functional Safety: Key Differences, SIS, SIF, SIL & IEC 61511 Guide

Table of ContentsIntroduction to Process Safety vs Functional SafetyWhy Many Engineers Confuse Process Safety...
Cybersecurity

Top Cybersecurity Threat Identification Methods Every Security Professional Should Know

Table of ContentsUnderstanding Cybersecurity Threat IdentificationWhat is Cybersecurity Threat Identification?Cybersecurity Threat Identification LifecycleTop Cybersecurity...
Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

Table of ContentsInstrument Range Calculator for Pressure, Flow, Level & Temperature TransmittersThe Importance of...
Communication

Profibus PA Communication Problems: Causes, Symptoms and Troubleshooting Guide

Table of ContentsOverview of Profibus PA Communication Challenges What is Profibus PA Communication?Definition of Profibus...
Engineering

FAT vs SAT vs SIT: Three Critical Tests That Determine Whether Your Plant Is Truly Ready for Startup

Table of ContentsIntroductionPurpose of Factory Acceptance TestingFactory Acceptance Test ObjectivesFactory Acceptance Test ObjectivesPLC FAT...
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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...