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 on Control Valve Positioners

Control valve positioners are essential components in the field of instrumentation and control engineering....
Instrumentation Calculators

Frequency(Hz) to 4 to 20 mA Signal Conversion Calculator

Table of ContentsWhat is Frequency to Analog 4 to 20 mA Conversion?Frequency to Analog...
Installation Procedure

Best Practices for Impulse Tubing Installation

Table of ContentsSection 1: Material SelectionSection 2: Tubing Length and RoutingSection 3: Support and...
Instrumentation Calculators

Control Valve Kv to Cv Conversion Calculator

Table of ContentsControl Valve Kv to Cv Conversion CalculatorControl Valve KV and CV Definitions:Formula...
Checklist

Checklist: Preventive Maintenance Procedure for Closed Tank Wet Leg Level Measurement

Table of Contents Purpose of this ProcedureScope of this ProcedureDefinitionsResponsibilitiesSafety PrecautionsTools and Equipments Required for...
PLC

Logic Gates in PLC Programming: A Guide with Truth Tables and Ladder Logic Diagrams

Programmable Logic Controllers (PLCs) are crucial in industrial automation, controlling machinery and processes by...
Instrumentation Questions

Quiz on Distributed Control Systems(DCS)

Test your knowledge of Distributed Control Systems (DCS) with this comprehensive quiz. Covering essential...
Instrumentation Calculators

Transmitter Calibration Span, LRV and URV Value Calculator from Measured 4 to 20 mA

Table of ContentsHow to Use the CalculatorKey Concepts of this CalculationStep 1: Understand the...
How to

RTD Tolerance Calculation

Table of ContentsWhat is RTD Tolerance?RTD Standards and Accuracy ClassesRTD Tolerance Testing for IEC...
PLC

PLC Programming Example: Using Timers to Control Motors with a Single Switch

Table of ContentsPLC Programming Example on TimersLadder LogicIncorporating Turn-Off Timer and On-Delay TimerSimulation StepsSimulation...
Industrial Automation

Ingress Protection IP and NEMA Ratings: Selecting the Right Enclosure for Your Application

Table of ContentsWhat is Ingress Protection (IP)  Purpose Ingress Protection (IP)Structure of Ingress Protection (IP)...
Instrumentation Questions

PLC (Programmable Logic Controller) Knowledge Quiz

Welcome to the PLC (Programmable Logic Controller) Quiz! This quiz is designed to test...
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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...