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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Commissioning

Cold and Hot Loop Checking in Automation: Key Differences and Step-by-Step Procedures

Table of ContentsWhat is a Control Loop?What is Loop Checking?Understanding Control Loop Commissioning with...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Cubic Meters per Hour (m³/h) to Standard Cubic Feet per Minute (SCFM)

Equipment sizing, system calibration, data reporting, and compliance depend on unit conversion between metric...
Documentation

82 Essential Drawings and Documents for Instrumentation and Control Engineers

Table of ContentsProject Engineering Stage (Design & Construction Phase)Automation Stage (DCS/PLC/SCADA Configuration)Maintenance & Commissioning...
PLC

Scaling Analog Values in Industrial Automation (PLC)

Table of ContentsKey Definitions -Scaling Analog ValuesWhat is Analog Signal Scaling?Why is Analog Scaling...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Liters per Second (L/s) to Standard Cubic Feet per Minute (SCFM)

Accurate unit conversion is crucial in process industries, HVAC systems, and gas flow monitoring...
Instrumentation Questions

Advanced Profinet Protocol Quiz for Automation Engineers

Test your knowledge of Profinet, one of the most potent Ethernet-based communication protocols used...
PLC

Understanding NO vs NC Contacts is key for Logic Writing in PLC Programming

Table of ContentsWhat are NO and NC Contacts?Definition of NO and NC ContactsWhat is...
Engineering

Relief Valve Datasheet in Under 10 Minutes: 7 Must-Know Definitions

Table of ContentsImage 1: Sectional View of a Spring-Loaded Safety Relief ValveHow a Spring-Loaded...
Instrumentation Calculators

PSIA to PSIG Conversion Calculator

Table of ContentsUnderstanding PSIA (Pounds per Square Inch Absolute)Understanding PSIG (Pounds per Square Inch...
Automation

Understanding Differences of SIS, PLC, and BPCS in Industrial Automation

Table of ContentsWhat are SIS, PLC, and BPCS?What is SIS (Safety Instrumented System)?What is...
Instrumentation Calculators

Mass Flow Unit Conversion: Pounds per Hour (lb/h) to Kilograms per Hour (kg/h)

Engineers, plant operators, and technical professionals can use this Flow Unit Conversion Calculator to...
Instrumentation Questions

Top 25 MCQs on Turbine Supervisory Instrumentation (TSI) for Instrumentation Professionals

Monitoring and safeguarding rotating machinery like steam and gas turbines in process sectors depends...
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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...