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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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...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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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...
Communication

Step-by-Step Guide for Installing and Commissioning HART and WirelessHART Devices for Engineers and Technicians

Table of ContentsIntroduction to HART and WirelessHART TechnologyProject Planning for WirelessHART InstallationsIntegration with Host...
Instrumentation Calculators

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

Engineers and process experts may precisely convert Kilograms per Hour (kg/h) to Metric Tons...
Instrumentation Questions

Top 25 MCQs on Control Valve Types, Selection, and Applications for Project Engineers

Key parts of process industries are control valves, which control fluid flow, pressure, temperature,...
Instrumentation Calculators

Mass Flow Rate Conversion: Kilograms per Second (kg/s) to Pounds per Second (lb/s) Flow Unit Conversion Calculator

Engineers and process experts can convert Kilograms per Second (kg/s) to Pounds per Second...
Instrumentation Calculators

Gallons per Minute (GPM) to Liters per Second (L/s) Flow Unit Conversion Calculator

By allowing fluid flow experts to include U.S. conventional measures into foreign metric systems...
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Latest articles

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

<!-- Google Fonts (safe to keep as a inside a WordPress "Custom HTML"...
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...
Engineering

FAT vs SAT vs SIT: Three Critical Tests That Determine Whether Your Plant Is Truly Ready for Startup

Table of ContentsIntroductionPurpose of Factory Acceptance TestingFactory Acceptance Test ObjectivesFactory Acceptance Test ObjectivesPLC FAT...