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

PSIA to PSIG Conversion Calculator

Table of ContentsUnderstanding PSIA (Pounds per Square Inch Absolute)Understanding PSIG (Pounds per Square Inch Gauge)What is Atmospheric Pressure?PSIA to PSIG Conversion FormulaExample Conversion:PSIA to PSIG Conversion CalculatorWhy Accurate PSIA to PSIG Conversion MattersApplications Where PSIA is MandatoryErrors Due to Incorrect Unit PSIA with PSIG...
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 a PLC (Programmable Logic Controller)?What is BPCS (Basic Process Control System)?Difference Between SIS, PLC, and BPCSWhy Segregate SIS from PLC and BPCS?How to Calculate Safety Integrity Level (SIL)Steps to Determine...
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Temperature Measurement

Master Temperature Calibrators: Precision Tools for Accurate Temperature Instrument Calibration

Table of ContentsDry Block CalibratorsAdvantages of Dry Block Calibrators:Disadvantages of Dry Block Calibrators:Applications of...
PLC

Designing 2 out of 4 Voting Logic in Control Systems: A Step-by-Step PLC Ladder Diagram Tutorial with Video

Table of ContentsDefinition of Voting 2 out of  4 LogicInputs and Outputs of Voting...
Pressure Measurement

Rangeability vs. Turndown Ratio and their Implications for Pressure Transmitter Selection

Table of ContentsRangeability: Definition and CalculationTurndown Ratio: Definition and CalculationWhat is Rangeability?Why is Rangeability...
Interview Questions

Electrical and Instrumentation Project Engineer Interview Question and Answer Guide

Table of Contents1. What are inspection points for a cable tray installation?2. What are...
Analytical Instrumentation

Types of Oxygen Analyzers: Applications and Measurement Methods

Table of ContentsWhat is an Oxygen Analyzer?Stack Gas Oxygen AnalyzersInert Gas Oxygen AnalyzersApplications of...
Instrumentation Calculators

Flowrate to Differential Pressure (DP) Calculator

Flow Transmitter Differential Pressure Calculator For the purpose of calculating the differential pressure of the...
How to

Pressure Switch Troubleshooting and Maintenance in Industrial Process Areas

Table of ContentsSafety PrecautionTools Required for Pressure Switch TroubleshootingUnderstand the System and Type of...
Control Valve

Common Challenges and Solutions for Industrial Control Valve Actuators

Industrial control valve actuators are critical components in various processes across industries such as...
Control Valve

Relationship Between Cv and Kv in Control Valves

Table of ContentsFlow Coefficient DefinitionImportance and ApplicationVariability and StandardizationDefinition of CvDefinition of KvConversion FactorRelationship...
PLC

Designing 2 out of 3 Voting Logic in Control Systems: A Step-by-Step PLC Ladder Diagram Tutorial with Video

In this content, you'll discover how to implement 2 out of 3 voting logic...
Interview Questions

Why not use 0-20mA & 0-15psi instead of 4-20mA & 3-15psi?

Table of ContentsUnderstanding the 4-20mA Current Loop:Understanding the 3-15 psi Pressure SignalWhy use 4-20...
PLC

Common Causes of Programmable Logic Controller(PLC) Failure and Mitigation Strategies

Table of ContentsFactor No.1: Module FailureFactor No.2: Power Supply IssuesFactor No.3: Ground IntegrityFactor No.4:...
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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...

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