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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How to

RTD Tolerance Calculation

Table of ContentsWhat is RTD Tolerance?RTD Standards and Accuracy ClassesRTD Tolerance Testing for IEC...
PLC

PLC Programming Example: Using Timers to Control Motors with a Single Switch

Table of ContentsPLC Programming Example on TimersLadder LogicIncorporating Turn-Off Timer and On-Delay TimerSimulation StepsSimulation...
Industrial Automation

Ingress Protection IP and NEMA Ratings: Selecting the Right Enclosure for Your Application

Table of ContentsWhat is Ingress Protection (IP)  Purpose Ingress Protection (IP)Structure of Ingress Protection (IP)...
Instrumentation Questions

PLC (Programmable Logic Controller) Knowledge Quiz

Welcome to the PLC (Programmable Logic Controller) Quiz! This quiz is designed to test...
Control Valve

Control Valve Leakage Testing, Types, and Calculation Standards

Table of ContentsClassification of Control Valve LeaksLeakage Tests & Calculations in a Control ValveTypical...
How to

Choosing Between Thermocouples and RTDs: A Practical Guide for Temperature Sensing

Table of ContentsBasics of Resistance Temperature Detectors (RTDs)Advantages and Disadvantages of Resistance Temperature Detectors...
Instrumentation Tools

Pressure Safety Valve Sizing Excel Tool for Gas Applications

Table of ContentsAPI 520 Relief Valve SizingCritical Flow Safety Valve SizingSizing Safety Valves for...
SIS/ESD

Understanding 2 out of 2 SOV: Working & Configuration

Table of ContentsUnderstanding the Need for RedundancyIntroducing 2 out of 2 SOV RedundancyConfiguration and...
Process Control

Wellhead Control Panel (WHCP): Working Principle, Components, Types, Design and FAQs

Table of ContentsWhat is a Well Head Control Panel (WHCP)?Principle of Well Head Control...
Installation Procedure

Step by Step Pressure Transmitter Installation Procedure

Table of ContentsSection No.1: Pre-Installation PlanningSection No.2: Mounting the TransmitterSection No.3: Impulse Piping InstallationSection...
Installation Procedure

Motor-Operated Valve Actuator Installation Procedure with Checklist

Table of ContentsPre-Installation Considerations for MOV ActuatorPre-Installation Inspection of MOVMOV PreparationMOV Actuator InstallationElectrical...
PLC

Understanding Wet Contacts in PLC Wiring

Table of ContentsWet Contact ConfigurationsUnderstanding Digital Input Wet Contact Wiring in PLC What is Interrogation...
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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...