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 Questions

Gas Turbine Control Loops Quiz: Troubleshooting & Maintenance for Instrumentation Experts

This advanced quiz is for instrumentation and automation engineers who work with gas turbines in process industries. It has 25 multiple-choice questions about real-world problems with control loop design, troubleshooting, calibration, and system diagnostics. This quiz evaluates both your theoretical and practical knowledge, from...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Standard Cubic Feet per Minute (SCFM) to Standard Cubic Feet per Hour (SCFH)

The SCFM to SCFH Conversion Calculator makes it easy for engineers, technicians, and control system designers to change gas flow from Standard Cubic Feet per Minute (SCFM) to Standard Cubic Feet per Hour (SCFH). This change is necessary to make sure that all system...
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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...
Communication

Modbus TCP/IP vs Profinet: Which Protocol Suits your Industrial Network Best?

Table of ContentsProtocol Overview - Modbus TCP/IPProtocol Overview - ProfinetFactor 1. Performance and TimingFactor...
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Instrumentation Questions

Gas Turbine Control Loops Quiz: Troubleshooting & Maintenance for Instrumentation Experts

This advanced quiz is for instrumentation and automation engineers who work with gas turbines...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Standard Cubic Feet per Minute (SCFM) to Standard Cubic Feet per Hour (SCFH)

The SCFM to SCFH Conversion Calculator makes it easy for engineers, technicians, and control...
PLC

Step-by-Step Procedure to Troubleshooting Solenoid Valves in PLC Digital Output Loops

Table of ContentsUnderstanding the Complete Digital Output LoopInitial Observations Before TroubleshootingTools you Need for...
Instrumentation Calculators

Maximum PSF( Pulse Scaling Factor) Calculator for Coriolis Flow Meters

Coriolis flow meters produce a pulse signal that corresponds to the measured mass or...

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