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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Engineering

Marshalling Panel vs Junction Box vs System Cabinet: Complete Guide for Instrumentation and Control Engineers

Table of ContentsUnderstanding the Difference Between Junction Box, Marshalling Panel, and System Cabinet Why Junction Boxes, Marshalling Panels, and System Cabinets Are Not the Same Impact of Signal Routing Architecture on EPC Instrumentation Projects Typical Signal Flow in a Process Plant Automation System Importance of Structured Signal Architecture...
Instrumentation Questions

Preparation of IO List Documentation in EPC Engineering in Process Industries: Advanced Quiz for Instrumentation and Control Engineers

Why IO List Documentation Matters in EPC Engineering Projects  The IO list is the heart of instrumentation engineering in EPC projects since it integrates field instruments, signal kinds, control systems and execution documentation in a single structured project reference. If the IO list is not...
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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 ContentsDefinitions in Cable Tray Fill CalculationsImportance of Cable Tray Fill CalculationStep-by-Step cable...
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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Engineering

Marshalling Panel vs Junction Box vs System Cabinet: Complete Guide for Instrumentation and Control Engineers

Table of ContentsUnderstanding the Difference Between Junction Box, Marshalling Panel, and System Cabinet Why Junction...
Instrumentation Questions

Preparation of IO List Documentation in EPC Engineering in Process Industries: Advanced Quiz for Instrumentation and Control Engineers

Why IO List Documentation Matters in EPC Engineering Projects  The IO list is the heart...
Procedures

Faulty Thermocouple Replacement Procedure in Process Area: Complete Step-by-Step Field Guide for Instrumentation Engineers

Table of ContentsIntroduction to Thermocouple Replacement in Process AreasPurpose and Scope of the Thermocouple...
Documentation

Instrument Index Generator for EPC Instrumentation Projects

Table of ContentsInstrument Index Generator for Efficient Instrumentation Documentation ManagementWhat is an Instrument Index...