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 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...
Flow Measurement

Why Drain and Vent Holes are Essential for Efficient Orifice Plate Operation?

Table of ContentsWhat is Orifice Plate Drain Hole and Vent Hole?What is the Purpose...
Calibration

Step-by-Step Procedure to Calibrate an Absolute Pressure Transmitter

Table of ContentsWhat is an Absolute Pressure Transmitter?Applications of Absolute Pressure TransmittersPurpose and ScopeTools...
Instrumentation Tools

Instrument Air System Design Excel Tool for Design Engineer

Table of ContentsDownload Link for Instrument Air System Design Excel Tool for Design Engineer Overview...
Instrumentation Questions

Closed-Loop Control Valve Troubleshooting: HART, Fieldbus and Diagnostics Skills Quiz

Here is the spacer for Control Valve Troubleshooting Quiz! This newer quiz is meant...
Commissioning

How to Safely Zero a DP Transmitter with 3-Way Valve and 5-Way Valve Manifolds ?

Table of ContentsHow to Zero a Differential Pressure Transmitter using a 5 way-Valve Manifold...
PLC

Step-by-Step PLC Battery Replacement and Maintenance Procedure

Table of ContentsWhat is a PLC battery?Why does a PLC need a Battery?Types of...
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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...