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 Calculators

Control Valve Leakage Calculator

Table of ContentsControl Valve Leakage Calculator for Seat Leakage Testing What Is Control Valve Leakage?What Is Control Valve Seat Leakage?Why Does a Closed Control Valve Leak?Why Is Control Valve Leakage Important?Control Valve Leakage and Process IsolationEffect of Excessive Seat Leakage on Process PerformanceWhat Is a...
Engineering

Common Instrument Loop Check Problems During Startup

Table of ContentsWhy Instrument Loop Checking Matters During StartupWhat Is an Instrument Loop Check?Why Instrument Loop Check Problems Cause Startup DelaysCommon Instrument Loop Check Problems During StartupHow to Troubleshoot Instrument Loop Check ProblemsDocuments Required for Instrument Loop CheckingPractical Instrument Loop Check ChecklistInstrument Loop Check...
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PLC

Scaling Analog Values in Industrial Automation (PLC)

Table of ContentsKey Definitions -Scaling Analog ValuesWhat is Analog Signal Scaling?Why is Analog Scaling...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Liters per Second (L/s) to Standard Cubic Feet per Minute (SCFM)

Accurate unit conversion is crucial in process industries, HVAC systems, and gas flow monitoring...
Instrumentation Questions

Advanced Profinet Protocol Quiz for Automation Engineers

Test your knowledge of Profinet, one of the most potent Ethernet-based communication protocols used...
PLC

Understanding NO vs NC Contacts is key for Logic Writing in PLC Programming

Table of ContentsWhat are NO and NC Contacts?Definition of NO and NC ContactsWhat is...
Engineering

Relief Valve Datasheet in Under 10 Minutes: 7 Must-Know Definitions

Table of ContentsImage 1: Sectional View of a Spring-Loaded Safety Relief ValveHow a Spring-Loaded...
Instrumentation Calculators

PSIA to PSIG Conversion Calculator

Table of ContentsUnderstanding PSIA (Pounds per Square Inch Absolute)Understanding PSIG (Pounds per Square Inch...
Automation

Understanding Differences of SIS, PLC, and BPCS in Industrial Automation

Table of ContentsWhat are SIS, PLC, and BPCS?What is SIS (Safety Instrumented System)?What is...
Instrumentation Calculators

Mass Flow Unit Conversion: Pounds per Hour (lb/h) to Kilograms per Hour (kg/h)

Engineers, plant operators, and technical professionals can use this Flow Unit Conversion Calculator to...
Instrumentation Questions

Top 25 MCQs on Turbine Supervisory Instrumentation (TSI) for Instrumentation Professionals

Monitoring and safeguarding rotating machinery like steam and gas turbines in process sectors depends...
Instrumentation Calculators

Mass Flow Unit Conversion Calculator: Tons per Day (TPD) to Kilograms per Hour (kg/h)

Engineers, plant managers, and process engineers can precisely convert Tons per Day (TPD) to...
Commissioning

Step-by-Step Logic Check Procedure for Pre-Commissioning Activities in Process Plant

Table of ContentsStep 1. Understand and Validate the Cause & Effect (C&E) MatrixStep 2....
Instrumentation Calculators

Mass Flow Unit Conversion: Slug per Second (slug/s) to Kilograms per Second (kg/s)

Engineers and researchers may precisely and easily convert Slugs per Second (slug/s) to Kilograms...
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Instrumentation Calculators

Control Valve Leakage Calculator

Table of ContentsControl Valve Leakage Calculator for Seat Leakage Testing What Is Control Valve Leakage?What...
Engineering

Common Instrument Loop Check Problems During Startup

Table of ContentsWhy Instrument Loop Checking Matters During StartupWhat Is an Instrument Loop Check?Why...
Instrumentation Questions

Impulse Line Troubleshooting Quiz in Process Industries

Why Pressurized Impulse Line Troubleshooting Matters in Process Industries  Because more than the transmitter itself...
Instrumentation Calculators

pH Sensor Temperature Compensation Calculator: Calculate Compensated pH at Reference Temperature

Table of ContentsUnderstanding pH Sensor Temperature Compensation What Is pH Sensor Temperature Compensation?Why Does Temperature...