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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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Analytical Instrumentation

Selection Guide for pH Analyzers in Process Applications

Table of ContentsImportance of pH Analyzer SelectionTypes of pH TransmittersHow to Choose the Most...
Analytical Instrumentation

Gas Analyzer Sampling System

Table of ContentsWhat is the Role of the Sample Handling System in Gas Analyzers?Basics...
Communication

Step by Step Procedure for Modbus Troubleshooting

Table of ContentsIntroduction'No-Response' ErrorsWhat is a Modbus poll?CRC ErrorsTroubleshooting CRC ErrorsWhat is a Modbus...
Communication

Modbus Communication Protocol

Table of ContentsWhat is Modbus?What is Modbus used for?How does Modbus work?What is master...
Calibration

8 Steps RTD Calibration Procedure

Table of ContentsStep 1: Prepare the tools required for RTD calibrationStep 2: Safety PrecautionsStep...
How to

Converting 2-Wire and 3-Wire RTDs into 4-Wire RTDs

Table of ContentsDifferent Types of RTDsChallenges faced with spare RTDsHow to Convert 2 wire...
How to

Troubleshooting of I to P Convertor (Current to Pneumatic converter)

Table of ContentsStep by Step procedure for Troubleshooting of I to P Convertor(Current to...
Instrumentation

What is Fieldbus?

Table of ContentsWhere is Fieldbus used?Different Fieldbus Network TopologyWhat is meant by Fieldbus?What does...
PLC

How to use Different MOVE BLOCK in Siemens TIA Portal – Part 2

Table of ContentsMOVE Block’s Part 2Different Move Blocks Used In Siemens Tia PortalDeclaration of...
Instrumentation

How do you handle non-linearities in your instrumentation measurements?

Table of ContentsWhat is Non-linearity in Instrumentation?Some Common Techniques to Handle Non-linearities in Instrumentation...
DIY Projects

Automated Watering System for Plants Using Arduino UNO

Table of ContentsStatement of the ProblemSchematic of Interfacing Soil Moisture Sensor and Servo Motor...
PLC

How to use Different CONVERSION Instruction in Siemens TIA Portal 

Table of ContentsDifferent CONVERSION Instructions of PLC Ladder Logic used in Siemens TIA PortalDeclaration...
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Latest articles

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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