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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PLC

Understanding PLC Redundancy: Cold, Warm & Hot Redundancy

Table of ContentsDefinition: PLC RedundancyImportance of PLC RedundancyTypes of PLC RedundancyTypes of Redundancy in...
FAT Activities

Factory Acceptance Test (FAT) Procedure & Checklist for Marshalling Cabinets

Table of ContentsPurpose of the FAT Procedure for Marshalling CabinetScope of the FAT Procedure...
Temperature Measurement

Why Thermocouple Reference Junction Compensation(CJC) is Essential for Accurate Temperature Measurement ?

Table of ContentsDifferential Temperature MeasurementCold Junction Compensation - CJCTechniques for Reference Junction CompensationReference Diagram...
Instrumentation Calculators

Cable Tray Fill Percentage Calculator

Table of ContentsWhat is Cable Tray Fill Percentage?Definitions in Cable Tray Fill CalculationsImportance of...
Cybersecurity

Cybersecurity Standards for PLCs

Table of ContentsWhat is Cybersecurity in PLCs?PLC Cybersecurity and Regulatory RequirementsImportance of PLC Cybersecurity...
Installation Procedure

Step-by-Step Guide: Installing & Removing a DP Transmitter with a 5-Way Valve Manifold

Table of ContentsComponents of a 5-Way Valve ManifoldMain Functions of a 5-Way Valve ManifoldStep-by-Step...
Instrumentation Questions

Top 25 Essential MCQ for Gas Analyzer Instrument Technician Interview

Welcome to the Gas Analyzer Instrument Technician Quiz! Designed for professionals in process industries,...
FAT Activities

Factory Acceptance Test(FAT) Procedure for Differential Pressure(DP) Transmitter

Table of ContentsRequired Reference Documents DP Transmitter FATStep by Step Factory Acceptance Test (FAT)...
PLC

How to Calculate and Minimize Voltage Drop in PLC Wiring?

Table of ContentsWhat is Voltage Drop in PLC Wiring?Why is Voltage Drop Calculation Crucial...
Commissioning

Safe Commissioning & Removal of DP Transmitters with a 3-Way Valve Manifold

Table of Contents3 - Way Valve Manifold Essential Component for DP TransmittersBringing a DP...
Checklist

Control Room Workstation Maintenance Procedure with Checklist

Table of ContentsScopeSafety PrecautionsRisk AssessmentWork Permit RequirementsOperational ClearanceControl room Workstation Healthiness Check ProcedurePost-Maintenance ChecksDocumentation...
Automation

Understanding RTU (Remote Terminal Unit): Key Components, Functions, and Applications in Industrial Automation

Table of ContentsRemote Terminal Unit (RTU) and Its ComponentsApplications of RTUsBenefits of RTUsDifferences Between...
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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...