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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Control System

Running Inspection for Power Supply and Redundancy Check for Instrumentation and Control Systems in Process Plants

Table of ContentsWhat Is Running Inspection of an Instrumentation and Control System Power Supply?Why Is Power Supply Inspection Important in a Process Plant?What Should Be Checked During Running Power Supply Inspection?How to Check a 24 VDC Power Supply for Instrumentation SystemsWhat Is Power Supply...
Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for isolation, flow control, startup and shutdown operations. An MOV failure can affect production, equipment protection and plant safety. Engineers need to understand actuator operation, motor circuits, torque switches, limit switches,...
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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...
Fire & Gas

Basics of Fire Detection System

Table of ContentsWhat is a Fire Detection System? What are the basic components of a...
Communication

Foundation Fieldbus Protocol Basics

Table of ContentsWhat is Foundation Fieldbus?Core Characteristics of Foundation FieldbusTypes of Foundation FieldbusSignificance of...
Analytical Instrumentation

Understanding Cell Constant in Conductivity Analyzers and its Significance

Table of ContentsConductivity Measurement BasicsConductivity Sensor Working PrincipleWhat is Cell Constant?Importance of Cell ConstantWhy...
Analytical Instrumentation

Selection Guide for pH Analyzers in Process Applications

Table of ContentsImportance of pH Analyzer SelectionTypes of pH TransmittersHow to Choose the Most...
Analytical Instrumentation

Gas Analyzer Sampling System

Table of ContentsWhat is the Role of the Sample Handling System in Gas Analyzers?Basics...
Communication

Step by Step Procedure for Modbus Troubleshooting

Table of ContentsIntroduction'No-Response' ErrorsWhat is a Modbus poll?CRC ErrorsTroubleshooting CRC ErrorsWhat is a Modbus...
Communication

Modbus Protocol – Complete Guide for Automation Engineers

Table of ContentsWhat is Modbus?What is Modbus used for?How does Modbus work?Master and Slave...
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Control System

Running Inspection for Power Supply and Redundancy Check for Instrumentation and Control Systems in Process Plants

Table of ContentsWhat Is Running Inspection of an Instrumentation and Control System Power Supply?Why...
Instrumentation Questions

Troubleshooting of Motorized Control Valve MOV Quiz with 25 Practical Engineering Questions

Why MOV Troubleshooting Skills Matter Motorized control valves are widely used in process plants for...
FAT Activities

What is Integrated Factory Acceptance Test (IFAT)?

Table of ContentsWhat is Integrated Factory Acceptance Test?Why is IFAT Important in Instrumentation and...
Instrumentation Calculators

Control Valve Leakage Calculator

Table of ContentsControl Valve Leakage Calculator for Seat Leakage Testing What Is Control Valve Leakage?What...