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

Control Valve Preventive Maintenance Checklist and Inspection Procedure

Table of ContentsWhat is Control Valve Preventive Maintenance?Why is Control Valve Preventive Maintenance Important?What...
Level Measurement

Troubleshooting, advantages, disadvantages and application of the bubbler type level measurement system

Table of ContentsWhat is a common failure for a dip tube bubbler level sensor?The...
Instrumentation Calculators

DP Flow Transmitter Re-Ranging Calculator

Table of ContentsFormula for re-ranging the flow transmitterExample calculation Re-Ranging Calculator To re-range a differential pressure...
Calibration

Conductivity transmitter resistance calibration – With decade resistance box

Table of ContentsWhat is a Conductivity Cell Constant?How do you calibrate a conductivity meter...
How to

How to do troubleshooting of conductivity transmitter?

Table of ContentsWhat are the possible errors in conductivity measurement?Display differs from the reference...
Instrumentation

Preventive maintenance(PM) procedure for Bubbler system level measurement

Table of ContentsSafety:Preventive maintenance tasksTask-1: Inspection of bubbler tubeTask-3: Inspect pressure transmitterTask-4: Check the...
Calibration

Conductivity Transmitter Calibration Procedure

What does a conductivity transmitter do? Analytical transmitters developed for detecting electrical conductivity levels inside...
Calibration

Calibration of bubbler or purging method level transmitter

Table of ContentsWhat is bubbler level transmitter?How to calibrate DP type level transmitter?Purpose and...
Instrumentation Calculators

DP calculator for Density measurement – Transmitter installed With Varying Tank Level and two Bubble Tubes

Table of ContentsFormula for Span value calculationFormula for LRV estimationFormula for URV estimationDP calculator  A...
Instrumentation Calculators

DP calculator for Density measurement – transmitter installed With Constant Tank Level and single Bubble Tube

Table of ContentsHow to Measure Density using DP Transmitter?Formula for Span value calculationFormula for...
Instrumentation Calculators

DP calculator for Interface level measurement – Transmitter installed with Varying Tank Level and two Bubble Tubes

Table of ContentsFormula for Span value calculationFormula for LRV estimationFormula for URV estimationDP calculator  A...
Instrumentation Calculators

DP calculator for bubbler method Interface level measurement – Transmitter installed with Constant Tank Level and single Bubble Tube

Table of ContentsFormula for Span value calculationFormula for LRV estimationFormula for URV estimationDP calculator  URV...
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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...