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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Communication

CC-Link Industrial Network Protocol: Architecture, Variants, and Applications

Table of ContentsWhat is CC-Link?Origins and Development Timeline - CC-Link ProtocolApplications of CC-Link in...
Control Valve

Control Valve Selection and Recommended Practices for Harsh Process Conditions

Table of ContentsStep 1. Valve Body and Material SelectionStep 2. Trim Material and Cavitation...
Instrumentation Questions

Advanced I/O List Quiz for EPC Instrumentation Engineers – 25 Expert-Level MCQs with Explanations

For instrumentation engineers working on EPC projects, accurately creating an I/O list is absolutely...
Instrumentation Calculators

Rectangular Duct Air Velocity Calculator for HVAC Engineers

The Air Velocity in a Rectangular Duct Calculator is a useful and necessary tool...
Level Measurement

Guided Wave Radar Level Transmitters: Complete Troubleshooting & Maintenance Guide

Table of ContentsProbe Installation and Scarring IssuesFoam and Surface EffectsAntenna (Probe) Contamination and CleaningFlooding,...
DCS

Understanding Permissive Logic and Trip Interlocks in Industrial Systems

Table of ContentsExample of a Permissive ConditionImplementation Platforms for Permissive LogicBehavior of a Permissive...
Calibration

Why Calibration Isn’t the Same as Re-ranging in Process Instrumentation

Table of ContentsWhat is Calibration?What is Re-ranging?Calibration vs. Re-ranging: Key DifferencesPractical Understanding Through a...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Standard Cubic Feet per Minute (SCFM) to Standard Liters per Minute (SLPM)

Engineers, technicians, and system designers can use the SCFM to SLPM Conversion Calculator to...
Instrumentation Questions

Top 25 Advanced MCQs on Boiler Control & Interlock Logic for Instrumentation and Control Engineers

This advanced quiz on Boiler Control Systems and Interlocks is for instrumentation and control...
Instrumentation Calculators

SLPM to SCFM Conversion Calculator for Gas Flow Measurement

This Gas Flow Unit Conversion Calculator will help engineers, HVAC specialists, and process automation...
Engineering

Top 10 Essential Maintenance Metrics Every Reliability Engineer Must Track

Table of Contents1. Mean Time Between Failure (MTBF)2. Mean Time to Repair (MTTR)3. Failure...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Normal Cubic Meters per Hour (Nm³/h) to Normal Liters per Minute (NLPM)

The Nm³/h to NLPM Conversion Calculator is a quick and accurate way to change...
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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...