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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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...
Control Valve

Essential Control Valve Accessories for Reliable Process Control

Table of ContentsWhy are Control Valve Accessories Important?Top Control Valve Accessories Every Process Engineer...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Normal Cubic Meters per Hour (Nm³/h) to Standard Liters per Minute (SLPM)

Engineers, process experts, and instrumentation specialists frequently have to convert Normal Cubic Meters per...
Control System

Virtual Redundant Transmitter (VRT) in Honeywell Turbomachinery Control Systems

Table of ContentsWho is VRT for?Problem Statement: Limitations of Simplex TransmittersWhat is VRT and...
Instrumentation Calculators

Gas Flow Rate Conversion Calculator: Standard Cubic Feet per Minute (SCFM) to Normal Cubic Meters per Hour (Nm³/h)

Working across U.S. conventional and metric systems, engineers, plant operators, and fluid mechanics experts...
Instrumentation Questions

Test your Knowledge on Foundation Fieldbus Communication Protocol: Advanced Quiz for Instrumentation Engineers

A reliable digital, bi-directional communication protocol called Foundation Fieldbus is utilized in process automation...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Standard Cubic Feet per Hour (SCFH) to Normal Cubic Meters per Hour (Nm³/h)

In globally industrial operations where both imperial and metric standards are utilized for process...
Commissioning

Cold and Hot Loop Checking in Automation: Key Differences and Step-by-Step Procedures

Table of ContentsWhat is a Control Loop?What is Loop Checking?Understanding Control Loop Commissioning with...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Cubic Meters per Hour (m³/h) to Standard Cubic Feet per Minute (SCFM)

Equipment sizing, system calibration, data reporting, and compliance depend on unit conversion between metric...
Documentation

82 Essential Drawings and Documents for Instrumentation and Control Engineers

Table of ContentsProject Engineering Stage (Design & Construction Phase)Automation Stage (DCS/PLC/SCADA Configuration)Maintenance & Commissioning...
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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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