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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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 Threat Identification MethodsHoneypotHoneynetPenetration TestingVulnerability AssessmentThreat HuntingSecurity Information and Event Management (SIEM)Intrusion Detection System (IDS)Intrusion Prevention System (IPS)Cybersecurity Threat Identification in Industrial Control SystemsComparison of Cybersecurity Threat Identification MethodsHow to Build...
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...
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Instrumentation Tools

Instrument Air System Design Excel Tool for Design Engineer

Table of ContentsDownload Link for Instrument Air System Design Excel Tool for Design Engineer Overview...
Instrumentation Questions

Closed-Loop Control Valve Troubleshooting: HART, Fieldbus and Diagnostics Skills Quiz

Here is the spacer for Control Valve Troubleshooting Quiz! This newer quiz is meant...
Commissioning

How to Safely Zero a DP Transmitter with 3-Way Valve and 5-Way Valve Manifolds ?

Table of ContentsHow to Zero a Differential Pressure Transmitter using a 5 way-Valve Manifold...
PLC

Step-by-Step PLC Battery Replacement and Maintenance Procedure

Table of ContentsWhat is a PLC battery?Why does a PLC need a Battery?Types of...
Instrumentation Questions

Quiz: DP Type Flow Measurement Transmitter Troubleshooting

Welcome to the ultimate quiz on Differential Pressure (DP) Flow Measurement Transmitter Troubleshooting in...
Instrumentation Calculators

Engineering Units to PLC Raw Counts Conversion Calculator 

Table of ContentsPurpose and use of the Engineering Units to PLC Raw Counts CalculatorHow...
Control Valve

Why Measuring Control Valve Cv is Essential for Proper Valve Sizing ?

Table of ContentsWhat is Cv?Practical Applications of Cv MeasurementFrequently Asked Questions (FAQ) on Control...
Instrumentation Calculators

Essential Engineering Calculators for Process and Instrumentation Engineers

In process and instrumentation engineering, accuracy, efficiency, and precision are very important. Whether it’s...
Engineering

Cable Tray Size Calculation: Step-by-Step Guide with Formula and Example

Table of ContentsImportance of Cable Tray Sizes and DimensionsWhat is Cable Tray Size Calculation?Overview...
Instrumentation Questions

Test Your Expertise in Temperature Control Loop Troubleshooting: Top 25 MCQ

Temperature control loops are critical in maintaining consistent and precise process conditions in various...
Checklist

Checklist for Cable Glanding & Termination 

Table of ContentsSection 1. Safety MeasuresSection 2. Required DocumentationSection 3. Gland Specification CheckSection 4....
PLC

Understanding Watchdog Timers in PLCs

A Watchdog Timer (WDT) is a critical component of embedded systems, particularly Programmable Logic...
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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

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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...