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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PLC

Step-by-Step PLC Ladder Logic for Automatic Liquid Mixing Process with Interlocks

Table of ContentsWhy Liquid Mixing Needs AutomationProcess OverviewPLC I/O Address AssignmentLadder Logic Design (Step-by-Step Explanation)Logical Flow MatrixTest Case SummaryPractical InsightsFuture EnhancementsTest your knowledge on Understanding PLC Hardware Components This article uses Schneider Electric's EcoStruxure Machine Expert platform to describe PLC-based design of a semi-automatic liquid...
Calibration

Why Calibrating your Calibrators is Critically Important: Accuracy, Compliance and ISO 17025 and NIST Traceability

Table of ContentsRole of Calibrators in Process IndustryWhy Calibrating Calibrators are Important ?Importance of ISO 17025 AccreditationImportance of Traceability to NIST or National StandardsWhen Should you Calibrate your Calibrators?Calibration Equipment List - What Should Be Tracked?Structuring a Calibration Control Plan for CalibratorsKey Benefits of...
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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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Latest articles

PLC

Step-by-Step PLC Ladder Logic for Automatic Liquid Mixing Process with Interlocks

Table of ContentsWhy Liquid Mixing Needs AutomationProcess OverviewPLC I/O Address AssignmentLadder Logic Design (Step-by-Step...
Calibration

Why Calibrating your Calibrators is Critically Important: Accuracy, Compliance and ISO 17025 and NIST Traceability

Table of ContentsRole of Calibrators in Process IndustryWhy Calibrating Calibrators are Important ?Importance of...
Instrumentation Calculators

Free Online PT500 RTD Calculator: Resistance to Temperature Conversion for Instrumentation Professionals

A Resistance Temperature Detector (RTD) is a precision sensor designed to track temperature depending...
Instrumentation Questions

Advanced Quiz on RADAR Level Measurement for Process Instrumentation Engineers

With this advanced 25-question test tailored for instrumentation and automation experts, test your knowledge...

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