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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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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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Instrumentation Calculators

DP calculator for open tank level measurements

Basic level measurement is done using open tank level. Its calculation is relatively easy...
Calibration

Calibration of P/I Convertor

Table of ContentsWhat is P to I converter in process control?How does P to...
Instrumentation Calculators

4-20mA to PV scaling calculator

A physical process value, such as a temperature, pressure, liquid level, or other physical...
Calibration

Step by Step Calibration of Control Valve Positioner

Table of ContentsWhat is Control Valve Positioner?7 Steps Calibration Procedure for Control Valve PositionerStep 1: Tools...
Calibration

Magnetostrictive level transmitter calibration

Table of ContentsHow does a magnetostrictive sensor work?Purpose and Scope:Calibration principle:Tools required for Calibration:SafetyCalibration...
Valves

Classification of valve actuators – Electrical, Hydraulic and Pneumatic

Table of ContentsValve Actuators Applications of Valve Actuators What are the types of Valve Actuators?Selection of...
Calibration

HART transmitter calibration procedure – For pressure transmitter

Table of ContentsWhat is a HART transmitter?How do you calibrate a HART pressure transmitter?Purpose...
Instrumentation Calculators

PV to 4-20mA scaling calculator

4-20 mA signals are used to transmit physical process values, such as temperature, pressure,...
Calibration

Calibration of level troll – Displacer level meter calibration

Table of ContentsWhat is Displacer Level Sensor? What is level troll calibration?Purpose and Scope:Tools required...
Calibration

Calibration of DP level transmitter at field

Table of ContentsWhat is DP level?How is DP transmitter level calculated?How to calibrate DP...
Calibration

Step by Step Calibration Procedure for Differential Pressure Transmitter

Table of Contents7 Steps Calibration Procedure for DP TransmitterStep 1: Prepare Tools required for DP...
Calibration

Industrial Thermometer Calibration Procedure – Complete Step-by-Step Guide

Table of ContentsWhat is an industrial thermometer?Why Industrial Thermometer Calibration Is ImportantHow do you...
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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...