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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Control System

Running Inspection for Power Supply and Redundancy Check for Instrumentation and Control Systems in Process Plants

Table of ContentsWhat Is Running Inspection of an Instrumentation and Control System Power Supply?Why Is Power Supply Inspection Important in a Process Plant?What Should Be Checked During Running Power Supply Inspection?How to Check a 24 VDC Power Supply for Instrumentation SystemsWhat Is Power Supply...
Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for isolation, flow control, startup and shutdown operations. An MOV failure can affect production, equipment protection and plant safety. Engineers need to understand actuator operation, motor circuits, torque switches, limit switches,...
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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

Table of ContentsFind the Right Instrument Calibration ProcedurePressure Instrument Calibration Procedures: Transmitters, Gauges, and...
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...
Instrumentation

Key Considerations for Pressure Transmitter Manifold Selection

Table of ContentsOverviewImportance of Pressure Transmitter ManifoldsTypes of Manifold ValvesFactors to Consider When Choosing...
PLC

How to use Different Math Functions using the Siemens TIA Portal – Part 1

Table of ContentsMath Function’s Part ISize of Data Type Used by the Different Math...
DIY Projects

DHT Sensor Interface with Serial LCD Interface using Arduino UNO

Table of ContentsStatement of the ProblemSchematic of Interfacing DHT Sensor with Serial LCD using...
Industrial Automation

Stepper Motor Working Principle

Table of ContentsConstruction of stepper motorWorking Principle of stepper motor Components of a Stepper MotorTypes...
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Latest articles

Control System

Running Inspection for Power Supply and Redundancy Check for Instrumentation and Control Systems in Process Plants

Table of ContentsWhat Is Running Inspection of an Instrumentation and Control System Power Supply?Why...
Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for...
FAT Activities

What is Integrated Factory Acceptance Test (IFAT)?

Table of ContentsWhat is Integrated Factory Acceptance Test?Why is IFAT Important in Instrumentation and...
Instrumentation Calculators

Control Valve Leakage Calculator

Table of ContentsControl Valve Leakage Calculator for Seat Leakage Testing What Is Control Valve Leakage?What...