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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Instrumentation Questions

Quiz: DP Type Flow Measurement Transmitter Troubleshooting

Welcome to the ultimate quiz on Differential Pressure (DP) Flow Measurement Transmitter Troubleshooting in...
Instrumentation Calculators

Engineering Units to PLC Raw Counts Conversion Calculator 

Table of ContentsPurpose and use of the Engineering Units to PLC Raw Counts CalculatorHow...
Control Valve

Why Measuring Control Valve Cv is Essential for Proper Valve Sizing ?

Table of ContentsWhat is Cv?Practical Applications of Cv MeasurementFrequently Asked Questions (FAQ) on Control...
Instrumentation Calculators

Essential Engineering Calculators for Process and Instrumentation Engineers

In process and instrumentation engineering, accuracy, efficiency, and precision are very important. Whether it’s...
Engineering

Cable Tray Size Calculation: Formula, Sizing, Fill and Worked Example

Table of ContentsHow Do You Calculate Cable Tray Size?Importance of Cable Tray Sizes and...
Instrumentation Questions

Test Your Expertise in Temperature Control Loop Troubleshooting: Top 25 MCQ

Temperature control loops are critical in maintaining consistent and precise process conditions in various...
Checklist

Checklist for Cable Glanding & Termination 

Table of ContentsSection 1. Safety MeasuresSection 2. Required DocumentationSection 3. Gland Specification CheckSection 4....
PLC

Understanding Watchdog Timers in PLCs

A Watchdog Timer (WDT) is a critical component of embedded systems, particularly Programmable Logic...
Industrial Automation

Why is a 250-Ohm Resistor Important for HART Communication?

Table of ContentsRole of HART Communication in Industrial AutomationEssential Purposes of the 250-Ohm Resistor...
Instrumentation Calculators

Pressure Unit Conversion Calculators 

Welcome to our comprehensive collection of Pressure Unit Conversion Calculators your one-stop solution for...
Instrumentation Calculators

How to Calculate Minimum Flow Rate for Flow Meters from Turndown Ratio?

Flow meters are essential parts of systems that need to monitor flow accurately. However,...
How to

How to Maintain Coriolis Mass Flowmeters ?

Table of ContentsStep 1: Safety PrecautionsStep 2: Work Permit and Lockout-Tagout (LOTO) RequirementsStep 3:...
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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...
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...