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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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SIS/ESD

Shutdown Philosophy: Engineering Documentation for Process Safety and Emergency Shutdown Systems

Table of ContentsWhat is Shutdown Philosophy and Why is it Important? What Is a Shutdown Philosophy in Process Safety?Why Is Shutdown Philosophy Important in Engineering Projects?What Is the Shutdown Level Hierarchy?How Is a Shutdown Philosophy Developed?What Should a Shutdown Philosophy Document Include?Shutdown Philosophy and Cause...
Procedures

Hydraulic System Pressure Switch Troubleshooting: Step by Step Safe Procedure

Table of ContentsWhat Is a Hydraulic Pressure Switch and How Does It Work?Hydraulic Pressure Switch Operating PrinciplePressure Switch Hysteresis. Set Point and Reset PointNormally Open and Normally Closed Pressure Switch ContactsHydraulic Pressure Switch vs Pressure TransmitterCommon Hydraulic Pressure Switch Problems and SymptomsPressure Switch Not...
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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...
Instrumentation Questions

PROFIBUS Quiz: Top 25 Advanced Interview MCQs with Answers for Automation Professionals

Welcome to the ultimate PROFIBUS communication quiz! This quiz is intended for professionals in...
Temperature Measurement

How to Calculate Temperature Transmitter 4-20mA Output Using Linear Equation and Percentage Method ?

Table of ContentsUnderstanding the Key ParametersStep 1: Calculate the Slope (m)Step 2: Find the...
Interview Questions

Ratio Control System MCQs in Industrial Instrumentation

Welcome to the "Ratio Control System in Process Instrumentation" quiz! Designed for process industry...
How to

How to Troubleshoot Industrial Temperature Transmitters ?

Table of ContentsProcedure for Troubleshooting Temperature Transmitters in PLC Analog Input LoopSafety PrecautionsRequired Tools...
Instrumentation Calculators

Coriolis Flow Meter Output Frequency Calculator

Table of ContentsDefinition of Coriolis Flow Meter Output FrequencyDefinition of Pulse Scaling Factor (PSF)Formula...
Automation

Top HMI Software in Industrial Automation

Table of ContentsWhat Defines Human Machine Interface (HMI) Technology?How Does HMI Relate to IoT...
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Latest articles

SIS/ESD

Shutdown Philosophy: Engineering Documentation for Process Safety and Emergency Shutdown Systems

Table of ContentsWhat is Shutdown Philosophy and Why is it Important? What Is a Shutdown...
Procedures

Hydraulic System Pressure Switch Troubleshooting: Step by Step Safe Procedure

Table of ContentsWhat Is a Hydraulic Pressure Switch and How Does It Work?Hydraulic Pressure...
Instrumentation Questions

Advanced PLC Interlock Troubleshooting Quiz for Process Industries | 25 Practical PLC Diagnostics Questions for Instrumentation and Automation Engineers

Why PLC Interlock Troubleshooting Matters in Modern Process Industries  Modern process industries depend on reliable...
Instrumentation Calculators

Capacitance Level Sensor Calculator: Calculate Liquid Level and Capacitance for Instrumentation Applications

Capacitance Level Sensor Calculator :root{ --bg:#F2F5F3; --panel:#FFFFFF; ...