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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

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 an NO (Normally Open) Contact?Typical uses NO (Normally Open) ContactWhat is an NC (Normally Closed) Contact?Typical uses NC (Normally Closed) ContactRelay System Example in AutomationRelay DeactivatedRelay ActivatedHow these Contacts Work...
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 Relief Valve Works7 Must-Know Definitions in Relief Valve DatasheetsDefinition 1: Built-Up BackpressureDefinition 2: Superimposed BackpressureDefinition 3: Total BackpressureDefinition 4: Cold Differential Test Pressure (CDTP)Definition 5: Set PressureDefinition 6: Re-seating PressureDefinition...
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PLC

How to use Different MOV BLOCK in Siemens TIA Portal – Part 1

Table of ContentsMOVE Block's Part 1Different MOVE Blocks of PLC Ladder Logic used in...
Fire & Gas

Understanding Lower Explosive Limit (LEL)

Table of ContentsWhat is a Lower Explosive Limit?Define the term Flammable Range or Explosive...
Calibration

Temperature Controller Calibration Procedure

Table of Contents7 Steps Procedure for Calibration of Temperature ControllerStep 1: Prepare the tools...
Instrumentation Calculators

Online Calibration Test Points Value Calculator

Calibrating instruments is a crucial aspect of ensuring accurate and reliable measurements in various...
Interview Questions

Profibus Interview Questions and Answers

In industrial automation, Profibus is an essential standard for ensuring seamless device communication. Examine...
Instrumentation

Difference Between Intrinsically Safe and Explosion-Proof

Table of ContentsIntrinsic Safety Vs. Explosion ProofWhat is Intrinsically Safe?Definition and Certification of Intrinsically...
Calibration

6 Steps Guide to Selecting a Master Instrument for Calibration

Table of ContentsOverviewStep 1: Range CompatibilityStep 2: Unit AlignmentStep 3: Least Count PrecisionStep 4:...
Pressure Measurement

Factors that Influence the Accuracy of your Pressure Transmitter

Table of ContentsUnderstanding the Basics:Surrounding Temperature and Process Media Temperature:Static PressureChanging the Scale of...
Calibration

Instrument Calibration Procedures

Explore a comprehensive collection of 60+ instrumentation calibration procedures, step by step precise processes...
Interview Questions

Profibus Interview Questions and Answers

Profibus is a vital fieldbus communication standard in automation, ensuring seamless interaction among devices....
Instrumentation Calculators

Instrument Accuracy Calculator

Table of ContentsInstrument Accuracy Calculator: Calculating Accuracy in Engineering UnitsDefinition of Instrument AccuracySignificance of...
PLC

How to use Different Math Functions using the Siemens TIA Portal – Part 2

Table of ContentsSize of Data Type Used by the Different Math Functions in Siemens...
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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...

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