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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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 a Control Valve Is Passing?How a Control Valve Should Close Under Normal ConditionsCommon Symptoms of a Passing Control ValveMajor Causes of Control Valve PassingControl Valve Shutoff Performance by Valve TypeHow...
Instrumentation Calculators

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

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PLC

Why is 24 Volts Mostly used in Industrial PLC Systems?

Table of ContentsWhy 24v dc always used in plc?Safety ConsiderationsCompatibility with Industrial DevicesTechnical Advantages...
SIS/ESD

Signals for Emergency Valve Shutdown in Critical Processes

Table of ContentsWhat are Emergency Shutdown (ESD) Valves?How Emergency Shutdown WorksTypes of Signals Used...
PLC

How to Read the PLC Datasheet: Allen-Bradley 1762 Model Step-by-Step Guide

Table of ContentsStep 1. Understanding the Purpose of a PLC DatasheetStep 2. General Overview...
Instrumentation Questions

Top 25 MCQs on Safety Integrity Level (SIL) for Instrumentation and Control Engineers

Welcome to the Advanced Safety Integrity Level (SIL) Quiz, designed especially for specialists in...
Instrumentation Calculators

Cubic Inches per Second (in³/s) to Liters per Second (L/s) Flow Unit Conversion Calculator

Particularly for accurate and dynamic applications, this tool allows engineers, technicians, and system designers...
PLC

Understanding Rungs and Rails: The Foundation of PLC Ladder Logic

Table of ContentsFour Basic Concepts in Ladder Logic:What are Rungs and Rails in PLC...
Instrumentation Calculators

Barrels per Hour (BPH) to Cubic Meters per Day (m³/day) Flow Unit Conversion Calculator

This tool converts Barrels per Hour (BPH) to Cubic Meters per Day (m³/day), hence...
Flow Measurement

How Conditioning Orifice Plates Improve Flow Measurement in Tight Spaces ?

Table of ContentsLimitations of Standard Orifice PlatesWhat is a conditioning orifice plate?Compliance and Deviations...
Instrumentation Calculators

Gallons per Second (GPS) to Gallons per Minute (GPM) Flow Unit Conversion Calculator

This tool provides engineers, technicians, and water system professionals with a fast and dependable...
Engineering

Step-by-Step Guide to Choose the Ideal Inductive Proximity Sensor

Table of ContentsWhat is an Inductive Proximity Sensor?Understanding Inductive Proximity SensorsAdvantages of Inductive Proximity...
Instrumentation Calculators

Liters per Hour (L/h) to Cubic Meters per Hour (m³/h) Flow Unit Conversion Calculator

Engineers, technicians, and fluid system designers can use this tool to convert Liters per...
PLC

Top 6 Important Rules for PLC Ladder Diagram Programming

Table of ContentsWhat are the rules for drawing a ladder diagram?Rule 1. Inputs can...
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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

<!-- Google Fonts (safe to keep as a inside a WordPress "Custom HTML"...
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...