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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Instrumentation Calculators

Measurement Uncertainty Calculator: Calculate Combined and Expanded Uncertainty Using GUM

Measurement Uncertainty Calculator - GUM Method #muc-wrap, #muc-wrap * { box-sizing: border-box !important; } #muc-outer { background: #eef2f8 !important; background-image: linear-gradient(rgba(15,23,42,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(15,23,42,0.045)...
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...
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How to

Collection of Preventive Maintenance (PM) Procedures for Instrumentation and Control Systems

Please find attached a complete guide on how to maintain instruments and control systems....
How to

Step by Step Preventive Maintenance Procedure for O2 Analyzers : Paramagnetic Type

Table of ContentsStep 1: Understanding Type of Paramagnetic O2 AnalyzersStep 2: Safety PrecautionsStep 3:...
Instrumentation Calculators

4 – 20 mA to 1 – 5V, 3 -15 Psi and 0.2 – 1.0 Bar Signal Conversion Calculator

Table of ContentsStep 1: 4 to 20 mA to 1 to 5V Signal Conversion...
Analytical Instrumentation

Oxygen Analyzer Working Principle: Paramagnetic Type

Table of ContentsUnderstanding the Paramagnetic Oxygen AnalyzerOperating Principles of Paramagnetic O2 Analyzers Magnetic Proportional Flow...
DIY Projects

Direction and Speed Control of DC Motor Using IR Remote Control

Table of ContentsStatement of the ProblemSchematic of DC Motor Interface with ArduinoCode for Interfacing...
DIY Projects

Bluetooth Controlled application using ESP32

Table of ContentsStatement of the ProblemSchematic of Bluetooth Controlled application using ESP32Code for...
Documentation

Instrument Process Data Sheet

Table of ContentsWhat is a Process Data Sheet?Understanding Structure and Importance of  Process Data...
Instrumentation

50+ Instrumentation and Control System Troubleshooting Procedure

Explore our 50+ troubleshooting guides covering pressure, flow, level, temperature, weighing, analytical measurement, control...
How to

Control Valve Hunting due to Valve Positioner: Troubleshooting

Table of ContentsUnderstanding the Control Valve PositionerIdentifying Problems with the Control Valve PositionerRoot Cause...
Communication

Foundation Fieldbus H1 Technology

Table of ContentsWhat are the layers of FOUNDATION fieldbus?Physical LayerWhat is Foundation Fieldbus signal?Data...
Calibration

10 Step Oxygen Analyzer Calibration Procedure: Paramagnetic Type

Table of ContentsStep 1: Prepare the Tools Required for Paramagnetic type O2 Analyzer CalibrationStep...
Fire & Gas

Importance of Fire & Gas Detection System

Table of ContentsWhat is the Fire and Gas Detection System?Objectives of Fire & Gas...
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Latest articles

Instrumentation Calculators

Measurement Uncertainty Calculator: Calculate Combined and Expanded Uncertainty Using GUM

Measurement Uncertainty Calculator - GUM Method #muc-wrap, #muc-wrap * { box-sizing: border-box !important;...
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...