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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Level Measurement

Submersible Level Transmitters: Applications, Working Principles, and Benefits

Table of ContentsWhat is Submersible Pressure Transmitter?Where Submersible measurement is preferred?How does a Submersible...
Checklist

50+Collection of Essential Instrumentation and Automation Control System Checklists

As more means of ensuring proper performance and reliability of an industrial process instrumentation...
Commissioning

Pressure Transmitter Commissioning Checklist 

Table of ContentsStep 1: Preliminary InspectionStep 2: Preparation for CommissioningStep 3: Safety MeasuresStep 4:...
SCADA

What is Safety Relay? Why is a Normal Electromechanical Relay not Considered Safe?

Table of ContentsWhat is a Safety Relay?Working Principle of a Safety RelayFault Detection of...
How to

RTD Testing Methods

Table of ContentsTest 1: Calibration of RTDTest 2: Insulation Resistance Test at Ambient TemperatureTest...
Instrumentation Calculators

Instrument Calibration Verification Calculator

Table of ContentsCalibration Verification CalculatorCalculator InputsCalculator OutputsFormula and Calculation Steps:Example Calculation for a 5-Point...
Instrumentation Questions

Quiz on Understanding PLC Hardware Components

This advanced PLC hardware components quiz is designed for professionals to test and enhance...
How to

Check List: How to Troubleshoot a Thermocouple?

Table of ContentsSafety PrecautionsTools and Equipment Required for Troubleshooting ThermocoupleRequired Drawings and DocumentationStep-by-Step Thermocouple...
Instrumentation Questions

MODBUS Protocol Quiz :Test Your Knowledge

Test your MODBUS protocol knowledge with this comprehensive quiz designed for automation professionals. This...
Calibration

Best Calibration Management Software

Table of ContentsWhat is a calibration management system?Factors to Consider When Choosing Calibration Management...
Interview Questions

Top 30 Refinery Instrumentation Interview Questions and Answers for Maintenance

Securing a position as an Instrumentation Maintenance position in a refinery requires a thorough...
How to

How to simulate 4-20ma signal with Loop Calibrator ?

Table of ContentsStep 1. Safety PrecautionsStep 2. Required Tools and EquipmentStep 3. Preparation for...
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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...