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 Questions

Control Valve Cavitation Troubleshooting Quiz

Advanced Control Valve Cavitation Troubleshooting Questions Control valve cavitation occurs when liquid pressure falls below vapor pressure, creating vapor bubbles that later collapse as pressure recovers. In process plants, this can produce severe noise, vibration, trim erosion, pitting, unstable flow, and premature valve failure. The...
Communication

PROFIBUS Communication Failure Step by Step Diagnosis

Table of ContentsWhat Is a PROFIBUS Communication Failure?Common PROFIBUS Communication Failure SymptomsPROFIBUS Communication Failure vs PROFIBUS Slave FailureCommon Causes of PROFIBUS Communication ErrorsHow to Troubleshoot PROFIBUS Communication FailureStep 1 Identify the PROFIBUS Failure PatternStep 2 Check PLC and PROFIBUS Master & Slave DiagnosticsStep 3...
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Calibration

How to calibrate Fieldbus transmitters?

Table of ContentsWhat is FF transmitter?How do you calibrate a pressure transmitter in a...
Level Measurement

Types of Level Measurement in Process Industries – Principles, Methods & Transmitters

Table of ContentsClassification of Level Measurement MethodsDirect Level Measurement MethodsDip Sticks and Lead LinesSight...
Calibration

Control valve Calibration Procedure

Table of Contents 8 Steps Procedure to Calibrate Control Valve Step 1: Prepare the...
Calibration

8 Steps Calibration Procedure for Thermocouple

Table of ContentsStep by Step Calibration Procedure for ThermocoupleStep 1: Prepare the Tools Required for...
Calibration

How to calibrate Differential pressure transmitter

Table of ContentsWhat is a DP transmitter?What is DP transmitter used for?How do you...
Calibration

What is a Pressure Gauge and How Is Pressure Gauge Calibrated? – Step-by-Step Guide

Table of ContentsWhy Pressure Gauge Calibration is Important7 Steps Calibration Procedure for Pressure GaugeStep...
Calibration

Current to Pressure (I/P) Converter Calibration Procedure

Table of Contents7 Steps Calibration Procedure for I to P ConverterStep 1: Prepare the Tools...
Calibration

Calibration of pressure switch using FLUKE 718 pressure calibrator

Table of ContentsWhat is a pressure switch used for?How do you calibrate a pressure...
Process Control

PID controller tuning

Table of ContentsTerminologyWhat is the purpose of controller tuning?Tuning of control systemWhat is quarter...
Level Measurement

Principle, Installation and trouble shooting of capacitance type level transmitter

Table of ContentsWhat is the principle of capacitance type level transmitter?Principle of capacitance type...
Instrumentation

Types of Engineering Drawings and Documents used in Instrumentation

Instrumentation engineers are responsible for creating and maintaining essential documentation in a process plant....
Level Measurement

Interface level measurement using DP transmitter (Remote sealed)

Table of ContentsHow does DP transmitter measure interface level?How do you measure interface level?How...
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Instrumentation Questions

Control Valve Cavitation Troubleshooting Quiz

Advanced Control Valve Cavitation Troubleshooting Questions Control valve cavitation occurs when liquid pressure falls below...
Communication

PROFIBUS Communication Failure Step by Step Diagnosis

Table of ContentsWhat Is a PROFIBUS Communication Failure?Common PROFIBUS Communication Failure SymptomsPROFIBUS Communication Failure...
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...